| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585823000 |
Sorbate is nonhydrocarbon or chemically undetermined component, e.g., "color-former", etc.
| 33 |
| 585826000 |
With specified sorbent rehabilitation procedure or agent, e.g., desorbent, etc.
| 27 |
| 585822000 |
Plural serial sorptions
| 20 |
| 585830000 |
Sorbent is or contains organic
| 11 |
| 585821000 |
With measuring, sensing, testing, or recycle of sorbate to same sorption zone
| 9 |
| 585825000 |
With fractional or linear desorption, e.g., chromatography, etc. | 3 |
| 20150087878 | PROCESS FOR SEPERATING XYLENES BY SIMULATED COUNTER-CURRENT, TREATING A FEED INCLUDING OXYGEN-CONTAINING AROMATIC IMPURITIES OF THE PHENOL TYPE - The present invention describes a process for separating xylenes in simulated counter-current (simulated moving bed, SMB) for the treatment of feeds including oxygen-containing aromatic impurities of the phenol type and/or derivatives thereof, by controlled injection of water in the ingoing streams. | 03-26-2015 |
| 20150328564 | METHOD FOR SEPARATING ISO-ALKANES AND CYCLOALKANES FROM AN OIL - Method for the processing of a mixture of organic compounds, in particular of an oil, in order to recover different constituents therefrom. This method makes it possible to separate a fraction of iso-alkanes and cycloalkanes from a sample of a mixture of organic compounds, said method comprising a separation step by liquid chromatography. | 11-19-2015 |
| 20160199754 | PROCESS FOR SEPARATING A DIVINYL HYDROCARBON FROM MONOVINYL HYDROCARBONS AND/OR NON-VINYL COMPOUNDS | 07-14-2016 |
| 585831000 |
Cyclic sorbate | 2 |
| 20120264993 | Binder-Converted Aluminosilicate X-Type Zeolite Compositions with Low LTA-Type Zeolite - A zeolitic binder-converted composition comprising (a) a zeolite X composition having at least a first zeolite X having a mean diameter not greater than 2.7 microns, and a second zeolite X, wherein the second zeolite X is obtained by converting a binder material to the second zeolite X and the binder material is in a range from 5 to 50 wt % of the zeolite X composition; and (b) an unconverted binder material content, after conversion to the second zeolite X is complete, in a range from 0 to 3 wt % of the zeolite X composition. The zeolite X composition has an average Si/Al framework mole ratio in a range from 1.0 to 1.5, and a relative LTA intensity not greater than 1.0, as determined by x-ray diffraction (XRD). | 10-18-2012 |
| 20120264994 | Para-Xylene-Separation with Aluminosilicate X-Type Zeolite Compositions with Low LTA-Type Zeolite - A process for separating para-xylene from a mixture of C | 10-18-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20080300441 | HYDROCARBON SEQUESTERING PRODUCT, A METHOD TO OBTAIN THE PRODUCT, A METHOD TO SEQUESTER HYDROCARBONS AND A HYDROCARBON SEQUESTRATION FACILITY - A hydrocarbon sequestering product, a method to obtain the product, and a method and a facility to sequester hydrocarbons, wherein the product comprises an oleophilic filamentous material that gets in contact with a medium contaminated by one or more hydrocarbons with the purpose of sequestrating the hydrocarbon(s) present in the medium to free it from said hydrocarbons. | 12-04-2008 |
| 20090156876 | Apparatus and Process for Cracking Hydrocarbonaceous Feed Treated to Adsorb Paraffin-Insoluble Compounds - An apparatus and process are provided for thermally cracking hydrocarbon feeds containing paraffin insoluble compounds by selectively adsorbing paraffin-insoluble compounds with solid particulate adsorbents, prior to cracking. An aromatics-containing stream such as one derived from cracked product is used to desorb the paraffin insoluble compounds from the adsorber stage. | 06-18-2009 |
| 20090326308 | BINDERLESS ADSORBENTS COMPRISING NANO-SIZE ZEOLITE X AND THEIR USE IN THE ADSORPTIVE SEPARATION OF PARA-XYLENE - Adsorbents and methods for the adsorptive separation of para-xylene from a mixture containing at least one other C | 12-31-2009 |
| 20090326309 | BINDERLESS ADSPRBENTS AND THEIR USE IN THE ADSORPTIVE SEPARATION OF PARA-XYLENE - Adsorbents and methods for the adsorptive separation of para-xylene from a mixture containing at least one other C | 12-31-2009 |
| 20100048972 | Process for Purification of Ethylene-Containing Feedstreams - A method for purification of ethylene-containing feedstreams from steam crackers or fluid catalytic crackers (FCC), wherein the feedstreams further comprises hydrogen, carbon monoxide, acetylenes, oxygen, nitric oxides, is disclosed. The method comprises contacting an ethylene-comprising gas stream with a Ru-based catalyst at reaction temperatures of at least 120°C. The process results in an ethylene-containing feedstream wherein the ethylene is essentially free of acetylenes, nitric oxides and oxygen. The purifying of the feedstream occurs with minimal loss of ethylene. | 02-25-2010 |
| 20100076243 | BINDERLESS ADSORBENTS WITH IMPROVED MASS TRANSFER PROPERTIES AND THEIR USE IN THE ADSORPTIVE SEPARATION OF PARA-XYLENE - Adsorbents and methods for the adsorptive separation of para-xylene from a mixture containing at least one other C | 03-25-2010 |
| 20100113853 | Method of Purifying 2,7-Dimethylnaphthalene - [Object] To provide a method of making high-purity 2,7-dimethylnaphthalene from a dimethylnaphthalene isomer mixture at high yield by a simple industrial process with low production costs. | 05-06-2010 |
| 20100210889 | MERCURY REMOVAL FROM HYDROCARBONS - A process is disclosed for removing mercury from a liquid hydrocarbon stream by contacting the mercury-containing liquid hydrocarbon stream with ferrous halide at moderate temperatures and without preheating the liquid hydrocarbon stream, or subjecting the liquid hydrocarbon stream to a heat treating step, immediately prior to contact with the ferrous halide particles. | 08-19-2010 |
| 20100249484 | SEPARATION SYSTEM AND METHOD - One exemplary embodiment can be a separation system. The separation system can include an adsorption zone, a rotary valve, a transition zone, and one or more pipes. Usually, the transition zone includes one or more lines communicating the rotary valve with the adsorption zone. The rotary valve alternatively may distribute an input of a feed or a desorbent to the adsorption zone or alternatively can receive an output of a raffinate or an extract from the adsorption zone in a line, and a remnant may remain in the line from a previous input or output. One or more pipes outside the transition zone communicating with the rotary valve can form at least one pipe volume receiving an input for dislodging a remnant or for receiving a remnant from the line. The remnant may be different from the input or output. | 09-30-2010 |
| 20110071333 | PROCESS FOR NEUTRALIZATION OF A CATIONIC ZEOLITE - The invention relates to a process for neutralization of a cationic zeolite that is at least partially exchanged with one or more monovalent and/or multivalent cations. The neutralization process comprises at least the stages for dissolution of a basic salt in an anhydrous organic solvent, degassing this solution by bubbling a dry inert gas, suspending the zeolite in this solution under dry inert gas, filtering and washing the solid by an anhydrous organic solvent, and calcination in the presence of oxygen and under a dry gaseous stream. The invention also relates to the use of neutralized zeolites for the separation or the purification of hydrocarbon feedstocks. | 03-24-2011 |
| 20110118525 | IMPROVED SIMULATED MOVING BED SEPARATION DEVICE - A device (SMB) for separation by simulated moving bed adsorption comprises a plurality of elementary adsorption zones Z | 05-19-2011 |
| 20110124942 | Aggregate Zeolitic Absorbents, Their Method of Preparation and Their Uses - The present invention relates to aggregate zeolitic adsorbents based on zeolite X and zeolite LSX. | 05-26-2011 |
| 20110166406 | Improved Device for Simulated Moving Bed Separation - A device (SMB) for separation by simulated moving bed adsorption comprises a plurality of elementary zones Z | 07-07-2011 |
| 20110275877 | Separation of Normal Paraffins from Isoparaffins Using Rapid Cycle Pressure Swing Adsorption - The separation of normal paraffins from isoparaffins using rapid cycle pressure swing adsorption. The present invention also relates to an isomerization process wherein normal paraffins are converted to isoparaffins resulting in an effluent stream containing a mixture of normal paraffins and isoparaffins, which effluent stream is sent to a rapid cycle pressure swing adsorption unit to perform the separation of normal paraffins from isoparaffins. | 11-10-2011 |
| 20110319697 | Sorption processes - Toxic substances such as heavy metals are extracted from a medium using a sorbent composition. The sorbent composition is derived by sulfidation of red mud, which contains hydrated ferric oxides derived from the Bayer processing of bauxite ores. Exemplary sulfidizing compounds are H | 12-29-2011 |
| 20120046511 | METHOD AND SYSTEM FOR SURFACE MODIFICATION OF SUPERADSORBENT MATERIAL FOR IMPROVED ENVIRONMENTAL AND URBAN AIR SAMPLING APPLICATIONS - A method for providing superadsorption of long chain hydrocarbon compounds using a material system comprising the steps of enhancing adsorption by decreasing reactivity at surface sites attractive to long chain hydrocarbon compounds and employing consequence management by maintaining a high rate of adsorptivity combined with high fidelity and accuracy of the material system. | 02-23-2012 |
| 20130158331 | Process and Apparatus for para-Xylene Production using Multiple Adsorptive Separation Units and Multiple Adsorptive Bed Feed Points - A process for separating para-xylene from aromatic compounds is presented. The process introduces throughout a first step-time interval a first mixed xylem stream into a first feed input on a first adsorptive separation unit comprising multiple bed lines. The process further introduces throughout the first step-time interval a second mixed xylene stream into a second feed input on the first adsorptive separation unit. During a first portion of the first step-time interval, the process introduces material from a feed stream used during the first step-time interval into a bed line not used to deliver a stream into, or withdraw a stream from, the first adsorptive separation unit during the first step time interval. During a second portion of the first step-time interval, the process introduces material from a purification zone into the feed stream used during the first step-time interval. | 06-20-2013 |
| 20140135559 | APPARATUS FOR SEPARATION AND RECOVERY OF OLEFIN FROM MIXTURE OF PARAFFIN AND OLEFIN, AND METHOD THEREFOR - The invention provides an apparatus for separation and recovery of an olefin, having a separation membrane that permeates an olefin with high selectivity and is excellent in durability. The apparatus for separation and recovery of an olefin from a mixture of a paraffin and an olefin, contains a separation membrane containing a porous substrate and a zeolite layer that is formed on a surface and/or in a surface layer of the substrate, the zeolite layer being a hydrophilic zeolite layer that has an Si/Al ratio of 1.3≦Si/Al≦3.5 and a separation factor α, which is expressed by a value of a water/IPA weight ratio of a permeated component divided by that of a feed component in a pervaporation test at a temperature of from 40 to 75° C. of a water-isopropanol mixture containing from 15 to 30% by weight of water, of 10≦α≦4,000. | 05-15-2014 |
| 20140135560 | ZEOLITE Y - Process for preparing a modified zeolite Y which process comprises subjecting zeolite Y having a silica to alumina molar ratio of at least 10 to calcination at a temperature of from 700 to 1000° C. wherein (i) the steam partial pressure is at most 0.06 bar at a temperature of from 700 to 800° C., (ii) the steam partial pressure is at most 0.08 bar at a temperature of from 800 to 850° C., (iii) the steam partial pressure is at least 0.03 bar at a temperature of from 850 to 900° C., and (iv) the steam partial pressure is at least 0.05 bar at a temperature of from 900 to 950° C. and (v) the steam partial pressure is at least 0.07 bar at a temperature of from 950 to 1000° C., a modified zeolite Y obtainable by such process, zeolite Y having a silica to alumina molar ratio of at least 10, the infrared spectrum of which has a peak at 3700 cm | 05-15-2014 |
| 20140163297 | UZM-44 ALUMINOSILICATE ZEOLITE - A new family of aluminosilicate zeolites designated UZM-44 has been synthesized. These zeolites are represented by the empirical formula. | 06-12-2014 |
| 20140171719 | UZM-39 ALUMINOSILICATE ZEOLITE - A new family of coherently grown composites of TUN and IMF zeotypes have been synthesized. These zeolites are represented by the empirical formula. | 06-19-2014 |
| 20160008787 | NOVEL CARBON MOLECULAR SIEVE AND PELLET COMPOSITIONS USEFUL FOR C2-C3 ALKANE/ALKENE SEPARATIONS | 01-14-2016 |
