| Patent application number | Description | Published |
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| 20100007954 | RETROREFLECTIVE ARTICLES COMPRISING OLEFINIC SEAL FILMS - Microstructured articles, such as a retroreflective articles, having a plurality of (e.g. cube-corner) microstructured elements and a seal film layer adhered to portions of the cube-corner elements and/or portions of a (e.g., flexible) body layer. The seal film is a thermoplastic polymeric material comprising reaction products of alkylene in an amount of at least about 50% and reaction products of at least one non-acidic polar monomer. | 01-14-2010 |
| 20130034682 | RETROREFLECTIVE ARTICLES INCLUDING OPTICALLY ACTIVE AREAS AND OPTICALLY INACTIVE AREAS - This disclosure generally relates to retroreflective articles and methods of making such articles. | 02-07-2013 |
| 20130114142 | RETROREFLECTIVE ARTICLES INCLUDING OPTICALLY ACTIVE AREAS AND OPTICALLY INACTIVE AREAS - This disclosure generally relates to retroreflective articles and methods of making such articles. | 05-09-2013 |
| 20130114143 | MULTI-LAYER SEALING FILMS - The present application generally relates to multi-layer sealing films, methods of making such films, materials for inclusion in such films, retroreflective sheeting and articles including such films, and methods of making retroreflective sheeting and articles including such films. The multi-layer sealing film may include two or more layers. One exemplary embodiment of a two-layer film includes a first layer including a thermoplastic polymeric material including reaction products of alkylene and reaction products of at least one non-acidic comonomer and a second layer including one of a polyolefin, a polyester, a polymethyl methacrylate, a polyamide, a polycarbonate, an ethylene-methacrylic acid, and a polyurethane. In some embodiments, at least one of the layers of the multi-layer sealing film has an elastic modulus of at least 3.5×10 | 05-09-2013 |
| 20130135731 | RETROREFLECTIVE ARTICLES INCLUDING OPTICALLY ACTIVE AREAS AND OPTICALLY INACTIVE AREAS - This disclosure generally relates to retroreflective articles and methods of making such articles. | 05-30-2013 |
| 20140009824 | Films Including Triazine-Based Ultraviolet Absorbers - The present application generally relates to EAA films including at least one triazine-based ultraviolet absorber. The present application also generally related to retroreflective sheeting including an EAA film including a triazine-based ultraviolet absorber. One embodiments of the present application relates to a film, comprising poly(ethylene-co-acrylic acid) and a triazine-based UVA. Another embodiment of the present application relates to retroreflective sheeting, comprising: a plurality of cube corner elements; and a body layer adjacent to the cube corner elements, the body layer including poly(ethylene-co-acrylic acid) and a triazine-based UVA. | 01-09-2014 |
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| 20110229040 | METHOD AND SYSTEM FOR CONVERTING AN IMAGE - A system and method for determining statistical data within an image having pixels with relatively higher bit depth per band and a system and method of converting a first image within the image having pixels with the relatively higher bit depth per band into a second image having a relatively lower bit depth per band. The higher bit depth per band includes greater than 8 bits per band. The method of determining statistical data for pixels of an image includes dividing the image having pixels with the higher bit depth per band into a plurality of polygonal sections, each polygonal section including substantially homogenous features; computing statistical data for pixels within each polygonal section; and storing the statistical data with the image. | 09-22-2011 |
| 20120081379 | IMAGE DISPLAY SYSTEM - A method of storing an image on a storage device in a tiled format is provided. The method includes formatting the storage device to include a block size such that a tile size is an integer multiple of the block size, and the tile size corresponds to a display output. The method further includes reading pixel data of a source image; and generating, from the read pixel data, a first tile and a second tile. The first tile and the second tile each have overlapping portions that overlap by an adjustable amount, and the overlapping portions include substantially identical pixel data. The method also includes storing the first tile and the second tile on the storage device; and repeating the reading, generating, and storing a plurality of times to store the image. The image is stored on the storage device as a contiguous string of data. | 04-05-2012 |
| 20130076779 | IMAGE DISPLAY SYSTEM - A method of configuring an image for data storage on a storage device in an overlapping-tiled format and a method of displaying a desired image selected for viewing on a display are disclosed. The method of configuring an image for data storage includes formatting an image to include a plurality of image tiles, each image tile in the plurality of image tiles having at least a portion that is substantially identical to at least a portion of an adjacent image tile in the plurality of image tiles. The method further includes converting data of the image from data in a first color space into data in a second color space so as to reduce a size of the data of the image, and storing the image data in the second color space. | 03-28-2013 |
| 20130170750 | METHOD AND SYSTEM FOR STORING STATISTICAL DATA OF AN IMAGE - A system and method for determining statistical data for pixels of an image are provided, the pixels having a higher bit depth per band, the higher bit depth per band comprising greater than 8 bits per band. The method includes dividing the image having pixels with the higher bit depth per band into a plurality of polygonal sections, each polygonal section including substantially homogenous features; computing statistical data for pixels within each polygonal section; storing data of each polygonal section with the image in a storage medium; and storing the statistical data within each polygonal section with data of each corresponding polygonal section in the storage medium. | 07-04-2013 |
| 20130322756 | METHOD OF PROCESSING A VIEWPORT WITHIN LARGE FORMAT IMAGERY - A method of processing a viewport within an image arranged as a matrix of tiles from a container file is provided. The method includes reading data of the viewport starting from a point of origin of the viewport, the viewport having a pixel width and a pixel height, the viewport being a portion of an image stored in a record within the file container; reading record metadata of the record; computing column numbers or row numbers, or both, of the tiles containing the viewport; and launching parallel or asynchronous read requests for each row or each column of the viewport. | 12-05-2013 |
| 20130325911 | METHOD OF INSERTING AN IMAGE INTO A CONTAINER FILE - A method of inserting an image into a container file including reading source data including the image; opening the container file where the image will be stored, the container file comprising one or more records. Each record includes an image file section reserved for storing the image, an image metadata section reserved for storing data about the image, and a record metadata section having a status flag or status mark indicating whether the image file section is empty. The method further includes determining whether the source data is valid to be entered into a record in the one or more records; if the source of data is valid, preparing the record and the image metadata; and writing the record into the container file and marking the status mark of the record as being updated while writing the record into the container file. | 12-05-2013 |
| 20130330020 | CONTAINER FILE FOR LARGE FORMAT IMAGERY AND METHOD OF CREATING THE CONTAINER FILE AND ORGANIZING DATA WITHIN THE CONTAINER FILE - A container file for storing images in a storage device, the container file includes container file metadata including information about the container file and a status mark indicating whether the container file is available or unavailable; and one or more records, each record of the one or more records comprising: an image file section reserved for storing an image, an image metadata section reserved for storing data about the image, and a record metadata section including information about the record and at least a status mark indicating whether the record is empty, being updated, valid or invalid. | 12-12-2013 |
| 20140055478 | METHOD AND SYSTEM FOR STORING AND RETRIEVING WIDE-AREA MOTION IMAGERY FRAMES AS OBJECTS ON AN OBJECT STORAGE DEVICE - A method, implemented by a computer system, and a system of organizing data of a wide area motion imagery frame and a method and a system of retrieving objects that match a user defined AOI from an image in a WAMI frame in a WAMI collection are described. The method of organizing includes dividing, by the computer system, an image of a WAMI frame into a plurality of tiles, each tile in the plurality of tiles comprising a plurality of pixels and having a pixel width and a pixel height; storing, by the computer system, the plurality of tiles as objects in an OSD, each object having an object identifier (OID); collecting, by the computer system, object identifiers (OIDs) of the objects; and storing, by the computer system, the OIDs in the OSD. | 02-27-2014 |
| 20140156616 | METHOD AND SYSTEM OF STORING DATA FILES - A method and system for storing data files are provided. The method includes receiving a first data file and a first data file virtualization policy; associating the first data file with the first data file virtualization policy; and storing the first data file and the first data file virtualization policy on a storage device in communication with the computer system. | 06-05-2014 |
| 20140156729 | METHOD AND SYSTEM OF REQUESTING INFORMATION FROM A SERVER COMPUTER - A method and system for requesting information by a client computer system from a server computer system are provided. The method includes sending a request for policy capability of the server computer system for a data type; receiving a response to the request including a list of derived data types that are supported by the server computer system; generating a policy using the list of derived data types; and sending a first data file and a first data file virtualization policy for storage. | 06-05-2014 |
| 20140156802 | METHOD AND SYSTEM OF RETRIEVING DATA IN A DATA FILE - A method and system for retrieving at least a portion of a first data file are provided. The method includes receiving a request for the at least a portion of the first data file, the request including a start of the at least a portion and a size of the at least a portion; computing a data offset that is aligned to an integer multiple of a block size of the storage device and nearest to the start of the at least a portion; computing a byte-range that is an integer multiple of the block size of the storage device; reading data within the byte-range; and transmitting the at least a portion starting at an offset relative to the data offset that is aligned to an integer multiple of the block size of the storage device. | 06-05-2014 |
| 20140160281 | METHOD AND SYSTEM FOR WIDE AREA MOTION IMAGERY DISCOVERY USING KML - A method and a computer system for WAMI discovery are provided. The method includes issuing a request to a WAMI collection service in one or more WAMI collection services to retrieve an entire collection tree metadata at said WAMI collection service; receiving a response from the WAMI collection service, the response comprising the entire collection tree metadata, the response being in a first format; and translating the response from the first format into KML format, wherein the translating includes mapping a one-to-one of WAMI collection tree nodes from the first format into KML nodes. | 06-12-2014 |
| 20140164426 | METHOD AND SYSTEM FOR PROVIDING A FEDERATED WIDE AREA MOTION IMAGERY COLLECTION SERVICE - A method and a computer system for providing a federated wide area motion imagery (WAMI) collection service are provided. The method includes issuing a request to retrieve WAMI collection metadata from a first WAMI collection service in one or more collection services, the one or more WAMI collection services providing WAMI collection metadata; receiving the WAMI collection metadata from the first WAMI collection service; and storing the WAMI collection metadata from the first WAMI collection service in a local cache of the computer system. | 06-12-2014 |
| 20140240345 | METHOD OF PROCESSING A VIEWPORT WITHIN LARGE FORMAT IMAGERY - A method of processing a viewport within an image arranged as a matrix of tiles from a container file is provided. The method includes receiving a request to read data of the viewport starting from a point of origin of the viewport, the viewport having a pixel width and a pixel height, the viewport being a portion of an image that is stored in a record within the file container; computing column numbers or row numbers, or both, of the tiles containing the viewport; and reading in parallel or asynchronously each row or each column of tiles containing the viewport. | 08-28-2014 |
| 20140248002 | METHOD OF CREATING OR UPDATING A CONTAINER FILE FOR STORING IMAGE FILES - A method of creating or updating a container file for storing images is provided. The method includes determining whether the container file already exists in a storage device, the container file having a container file metadata section. If the container file does not exist in the storage device, the method creates the container file by creating one or more empty records in the storage device. Each record of the one or more empty records includes an image file section reserved for storing an image, an image metadata section reserved for storing data about the image, a record metadata section including information about the record and having at least a record status mark indicating that the record is empty. The method further includes setting a container status mark in the container file metadata section to available, after creating the container file. | 09-04-2014 |
| 20140254954 | CONTAINER FILE FOR LARGE FORMAT IMAGERY AND METHOD OF CREATING THE CONTAINER FILE AND ORGANIZING DATA WITHIN THE CONTAINER FILE - A method of creating a container file for large format imagery and organizing data within the container file are described. In one embodiment, the method of creating the container file includes validating user input parameters for the file container, and determining whether the container file already exists, the container file having file container metadata. If the file container does not exist, creating the container by creating one or more empty records in a storage device, the one or more empty records having an image file section reserved for storing an image, an image metadata section reserved for storing data about the image and a record metadata section having at least a mark indicating that the image file section is empty. A size of the image file section, a size of the image metadata section and a size of the record metadata section are determined using the user input parameters. | 09-11-2014 |
| 20140280465 | METHOD AND SYSTEM FOR ACCESSING DATA BY A CLIENT FROM A SERVER - A system and a method for accessing data by a client computer system from a server computer system, the client computer system including one or more processors configured to execute computer program modules, are described. The method includes receiving, by the client computer system from an application program, a read request to read at least a portion of a data file; sending, by the client computer system to the server computer system, a request for exact data corresponding to the at least the portion of the data file requested by the application program in the read request; receiving, by the client computer system from the server computer system, a response to the request including the exact data requested by the client computer system; and providing, by the client computer system to the application program, the exact data in response to the read request. | 09-18-2014 |
| 20150023612 | METHOD OF INSERTING AN IMAGE INTO A CONTAINER FILE - A method of inserting an image into a container file includes reading source data including the image and opening the container file where the image will be stored. The container file comprises one or more records. Each record includes an image file section reserved for storing the image, an image metadata section reserved for storing data about the image, and a record metadata section having a status flag or status mark indicating whether the image file section is empty. The method further includes determining whether the source data is valid to be entered into a record in the one or more records, and if the source of data is valid, preparing the record and the image metadata, and writing the record into the container file and marking the status mark of the record as being updated while writing the record into the container file. | 01-22-2015 |
| 20150156520 | METHOD OF MAKING A VIDEO STREAM FROM A PLURALITY OF VIEWPORTS WITHIN LARGE FORMAT IMAGERY - A method of making a video stream from a plurality of viewports within large format imagery is described. In one embodiment, the method includes retrieving a plurality of viewports within a plurality of images, each image being arranged as a matrix of tiles, from a file container. The method includes inputting parameters including an identification of a plurality of records where the plurality of images containing the plurality of viewports are stored, an origin of each of the plurality of viewports and a pixel width and a pixel height of each of the plurality viewports. The method further includes requesting the plurality of viewports from the file container using the parameters; and reading data of each of the plurality of viewports starting from the origin of each or the plurality of viewports. The method may further include arranging the plurality of viewports as a video codestream of a group of pictures. | 06-04-2015 |
| 20150242991 | METHOD AND SYSTEM OF PROCESSING A VIEWPORT WITHIN LARGE FORMAT IMAGERY - A computer system for processing a viewport within an image arranged as a matrix of tiles from a container file is disclosed herein. The computer system includes one or more processors configured to: (a) receive a request to read data of the viewport starting from a point of origin of the viewport, the viewport having a pixel width and a pixel height, the viewport being a portion of an image that is stored in a record within the file container; (b) compute column numbers or row numbers, or both, of the tiles containing the viewport; and (c) read in parallel or asynchronously each row or each column of tiles containing the viewport. | 08-27-2015 |
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| 20100034708 | Hydrocarbon Conversion Process - A process is provided to produce high cetane quality and low or preferably ultra low sulfur diesel and a fluid catalytic cracker (FCC) quality feedstock from a processing unit including at least a hydrotreating zone and a hydrocracking zone. In one aspect, the processing unit includes reactor severity requirements in both the hydrotreating zone and the hydrocracking zone effective to produce the FCC feed quality and the diesel sulfur quality to permit a high quality hydrocracked product to be formed at lower pressures and conversion rates without overtreating the FCC quality feedstock stream. In another aspect, a portion of the hydrotreated effluent is selected for conversion in the hydrocracking and the remaining portion of the hydrotreated effluent is directed to subsequent processing, such as fluid catalytic cracking. | 02-11-2010 |
| 20100160699 | METHOD FOR EFFICIENT USE OF HYDROGEN IN AROMATICS PRODUCTION FROM HEAVY AROMATICS - A method for efficient use of hydrogen in aromatics production from heavy aromatic oil. A hydrocarbonaceous stream comprising C | 06-24-2010 |
| 20110240519 | PROCESS AND APPARATUS FOR ALKYLATING AND HYDROGENATING A LIGHT CYCLE OIL - One exemplary embodiment can be a process for alkylating and hydrogenating a light cycle oil. The process can include passing the light cycle oil, one or more C2-C6 alkenes, and hydrogen through a reaction vessel containing an alkylation zone and a hydrogenation zone. Generally, the hydrogen is at least partially comprised from a hydrocarbon product stream from a fluid catalytic cracking zone. | 10-06-2011 |
| 20120043257 | COMBINATION OF MILD HYDROTREATING AND HYDROCRACKING FOR MAKING LOW SULFUR DIESEL AND HIGH OCTANE NAPHTHA - Methods are disclosed for the hydrotreating and hydrocracking of highly aromatic distillate feeds such as light cycle oil (LCO) to produce ultra low sulfur gasoline and diesel fuel. Optimization of hydrotreater severity improves the octane quality of the gasoline or naphtha fraction. In particular, the operation of the hydrotreater at reduced severity to allow at least about 20 ppm by weight of organic nitrogen into the hydrocracker feed is shown to lead to these important benefits. Post-treating of the hydrocracker effluent over an additional hydrotreating catalyst bed may be desired to meet specifications for ultra low sulfur fuel components. | 02-23-2012 |
| 20140213835 | PROCESS AND APPARATUS FOR ALKYLATING AND HYDROGENATING A LIGHT CYCLE OIL - One exemplary embodiment can be a process for alkylating and hydrogenating a light cycle oil. The process can include passing the light cycle oil, one or more C2-C6 alkenes, and hydrogen through a reaction vessel containing an alkylation zone and a hydrogenation zone. Generally, the hydrogen is at least partially comprised from a hydrocarbon product stream from a fluid catalytic cracking zone. | 07-31-2014 |
| 20150076033 | PROCESS FOR CONVERTING FISCHER-TROPSCH LIQUIDS AND WAXES INTO LUBRICANT BASE STOCK AND/OR TRANSPORTATION FUELS - A process for converting Fischer-Tropsch liquids and waxes into lubricant base stock and/or transportation fuels is disclosed. The process includes the steps of feeding a Fischer-Tropsch wax to a first isomerization unit to produce an isomerized Fischer-Tropsch wax product; combining a Fischer-Tropsch liquid with the isomerized Fischer-Tropsch wax product to create a mixture of the Fischer-Tropsch liquid and the Fischer-Tropsch wax product; and feeding the mixture to a fractionation column to separate the mixture into a lubricant base stock fraction and at least one transportation fuel fraction. | 03-19-2015 |
| 20150136580 | PROCESS FOR PYROLYZING COAL USING A RECYCLED HYDROGEN DONOR - A process for pyrolyzing coal using a recycled hydrogen donor includes introducing a coal feed to a pyrolysis zone and heating the coal feed to a temperature of about 300° C. in the absence of hydrogen. A hydrogen donor solvent is introduced to the pyrolysis zone after the coal feed is heated to about 300° C., and the temperature of the coal feed and the hydrogen donor solvent is increased to about 475° C., while increasing a pressure in the pyrolysis zone to at or above a vapor pressure of the hydrogen donor solvent. At least an aromatic hydrocarbon rich fraction is separated from the coal tar stream and hydrogenated. The hydrogenated aromatic hydrocarbon rich fraction is recycled to the pyrolysis zone as the hydrogen donor solvent. | 05-21-2015 |
| 20150136648 | METHOD FOR TREATING COAL TAR USING REACTIVE DISTILLATION - Methods of treating coal tar using reactive distillation are described. The methods include introducing a coal tar stream into a reactive distillation zone which has a reaction zone and a separation zone. The reaction zone contains a hydrotreating catalyst and an absorbent. The coal tar stream is contacted with a hydrogen stream in the reaction zone to remove contaminants from the coal tar stream, and the treated coal tar stream is separated into at least two fractions. | 05-21-2015 |
| 20150136655 | PROCESS FOR PRODUCING HYDROGEN-RICH COAL TAR - A process for producing hydrogen-rich coal tar includes introducing a coal feed into a pyrolysis zone, and contacting the coal feed with a hydrogen donor stream and a multifunctional catalyst in the pyrolysis zone. The multifunctional catalyst includes a hydrogenation function for increasing a hydrogen content of said coal tar stream. The process further includes pyrolyzing the coal feed with the hydrogen donor stream and the multifunctional catalyst to produce a coke stream and a coal tar stream comprising hydrocarbon vapor. | 05-21-2015 |
| 20150136657 | HYDROTREATING PROCESS AND MULTIFUNCTION HYDROTREATER - A multifunction hydrotreater includes a particulate removal zone having a particulate trap to remove particulate contaminants from a coal tar stream and a demetallizing zone including a demetallizing catalyst to remove organically bound metals from the departiculated stream. The demetallizing zone is positioned after the particulate removal zone. The hydrotreater also includes a hydrodesulfurization, hydrodenitrogenation, and hydrodeoxygenation zone positioned after the demetallization zone, which includes at least one hydrodesulfurization, hydrodenitrogenation, and hydrodeoxygenation catalyst to provide a hydrotreated coal tar stream. | 05-21-2015 |
| 20150137043 | METHOD OF CONVERTING A COAL TO CHEMICALS - A method of processing a coal feed to produce aromatic hydrocarbon compounds includes providing a coal tar stream and converting the coal tar stream to a conversion product comprising at least olefins, paraffins, and aromatics. The process further includes separating the olefins and C | 05-21-2015 |
| 20150139895 | PROCESS FOR CONVERTING POLYCYCLIC AROMATIC COMPOUNDS TO MONOCYCLIC AROMATIC COMPOUNDS - A process for converting polycyclic aromatic compounds to monocyclic aromatic compounds includes pyrolyzing a coal feed to produce a coke stream and a coal tar stream. The coal tar stream is cracked, and the cracked coal tar stream is fractionated to produce an aromatic fraction comprising the polycyclic aromatic compounds. The process further includes hydrocracking the aromatic fraction to partially hydrogenate at least a first portion of the aromatic fraction, and to open at least one ring of a second portion of the aromatic fraction to form the monocyclic aromatic compounds from the polycyclic compounds, and recycling the first portion of the aromatic fraction. | 05-21-2015 |
| 20150141700 | PROCESS FOR PRODUCING ALKYLATED AROMATIC COMPOUNDS - A process for producing alkylated aromatic compounds includes pyrolyzing a coal feed to produce a coke stream and a coal tar stream. The coal tar stream is hydrotreated and the resulting hydrotreated coal tar stream is cracked. A portion of the cracked coal tar stream is separated to obtain a fraction having an initial boiling point in the range of about 60° C. to about 180° C., and an aromatics-rich hydrocarbon stream is extracted by contacting the fraction with one or more solvents. The aromatics-rich hydrocarbon stream is contacted with an alkylating agent to produce an alkylated aromatic stream, or the aromatics-rich hydrocarbon stream is reacted with an aliphatic compound or methanol in the presence of a catalyst to produce a methylated aromatic stream. The alkylated aromatic stream, the methylated aromatic stream, or both are separated into at least a benzene stream, a toluene stream, and a xylenes stream. | 05-21-2015 |
| 20150141708 | PROCESS FOR PURIFYING PRODUCTS FROM COAL TAR - A process for purifying at least one product from coal tar is described. The process involves separating a coal tar fraction having a boiling point in the range of about 180° C. to about 230° C. into an acidic portion and a non-acidic portion by contacting the fraction with a caustic compound. The acidic portion is separated into a cresol portion and a xylenol portion, and the non-acidic portion is separated into a naphthalene portion and a naphthalene co-boiler portion. The acidic portion and the non-acidic portions are separated by contacting with an adsorbent comprising small, discrete crystallites, the adsorbent having less than 10 wt % amorphous binder component. The various portions can be separated in a similar manner. | 05-21-2015 |
| 20150141717 | HYDROCRACKING PROCESS FOR A HYDROCARBON STREAM - A process for transalkylating a coal tar stream is described. A coal tar stream is provided, and is fractionated to provide at least one hydrocarbon stream having polycyclic aromatics. The hydrocarbon stream is hydrotreated in a hydrotreating zone, and then hydrocracked in a hydrocracking zone. A light aromatics stream is added to the hydrocracking zone. The light aromatics stream comprises one or more light aromatics having a ratio of methyl/aromatic available position that is lower than a ratio of methyl/aromatic available position for the hydrotreated stream. The hydrocracked stream is transalkylated in the hydrocracking zone. | 05-21-2015 |
| 20150141724 | PROCESS FOR SELECTIVELY DEALKYLATING AROMATIC COMPOUNDS - A process for selectively dealkylating aromatic compounds includes providing a coal tar stream comprising aromatic compounds and hydrotreating the coal tar stream to reduce a concentration of one or more of organic sulfur, nitrogen, and oxygen in the coal tar stream, and to hydrogenate at least a portion of the aromatic compounds in the coal tar stream. The process further includes hydrocracking the hydrotreated coal tar stream to further hydrogenate the aromatic compounds and to crack at least one ring of multi-ring aromatic compounds to form single-ring aromatic compounds. The single-ring aromatic compounds present in the hydrocracked stream are then dealkylated to remove alkyl groups containing two or more carbon atoms. | 05-21-2015 |
| 20150141726 | PROCESS FOR PRODUCING OLEFINS FROM A COAL FEED - A process for producing olefins from a coal feed includes providing a coal tar stream and fractionating the coal tar stream to provide a hydrocarbon stream that includes hydrocarbons having an initial boiling point of about 250° C. or greater. The hydrocarbon stream is hydrotreated to reduce a concentration of one or more of nitrogen, sulfur, and oxygen in the hydrocarbon stream, and the hydrotreated hydrocarbon stream is cracked in a fluidized catalytic cracking zone to produce an olefin stream. | 05-21-2015 |
| 20150251971 | PROCESS FOR SELECTIVELY DEALKYLATING AROMATIC COMPOUNDS - A process for selectively dealkylating aromatic compounds includes providing a coal tar stream comprising aromatic compounds and hydrotreating the coal tar stream to reduce a concentration of one or more of organic sulfur, nitrogen, and oxygen in the coal tar stream, and to hydrogenate at least a portion of the aromatic compounds in the coal tar stream. The process further includes hydrocracking the hydrotreated coal tar stream to further hydrogenate the aromatic compounds and to crack at least one ring of multi-ring aromatic compounds to form single-ring aromatic compounds. The single-ring aromatic compounds present in the hydrocracked stream are then dealkylated to remove alkyl groups containing two or more carbon atoms. | 09-10-2015 |
| 20150251976 | METHOD OF CONVERTING A COAL TO CHEMICALS - A method of processing a coal feed to produce aromatic hydrocarbon compounds includes providing a coal tar stream and converting the coal tar stream to a conversion product comprising at least olefins, paraffins, and aromatics. The process further includes separating the olefins and C | 09-10-2015 |
| 20150259612 | HYDROCRACKING PROCESS FOR A HYDROCARBON STREAM - A process for transalkylating a coal tar stream is described. A coal tar stream is provided, and is fractionated to provide at least one hydrocarbon stream having polycyclic aromatics. The hydrocarbon stream is hydrotreated in a hydrotreating zone, and then hydrocracked in a hydrocracking zone. A light aromatics stream is added to the hydrocracking zone. The light aromatics stream comprises one or more light aromatics having a ratio of methyl/aromatic available position that is lower than a ratio of methyl/aromatic available position for the hydrotreated stream. The hydrocracked stream is transalkylated in the hydrocracking zone. | 09-17-2015 |
| 20150361351 | IONIC LIQUID TREATMENT OF VACUUM SLOP CUT TO INCREASE HYDROCRACKING FEED - A process and apparatus for increasing vacuum gas oil recovery from a vacuum column are described. The process includes separating a residue crude oil stream from a crude oil separation column in a vacuum column into at least one vacuum gas oil fraction, and a contaminant-rich slop fraction containing at least one contaminant; contacting the contaminant-rich slop fraction with a lean ionic liquid in a contaminant removal zone to produce a mixture comprising a contaminant-lean slop fraction and a rich ionic liquid comprising at least a portion of the at least one contaminant; and separating the mixture to produce a treated slop effluent comprising the contaminant-lean slop fraction and a rich ionic liquid effluent comprising the rich ionic liquid. | 12-17-2015 |
