| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585264000 | With preliminary treatment of feed or plural separation procedures | 18 |
| 20090299113 | PROCESS FOR PREPARING ALKANE LIQUIDS FOR USE IN IMMERSION LITHOGRAPHY - A method for purifying liquid alkanes, especially dicyclic alkanes, for use in immersion lithography is provided. The method produces alkanes having absorbance at 193 nm of ≦0.1/cm, and residue of ≦100 ppm. The liquid alkane compositions are useful as immersion liquids in photomicrolithography employed for production of electronic circuits. | 12-03-2009 |
| 20090326290 | METHOD OF CONVERTING FEEDSTOCKS FROM RENEWABLE SOURCES TO GOOD-QUALITY DIESEL FUEL BASES USING A ZEOLITE CATALYST WITHOUT INTERMEDIATE GAS-LIQUID SEPARATION - The invention relates to a method of treating feedstocks from renewable sources without intermediate gas-liquid separation in order to produce diesel fuel bases of excellent quality. The feedstocks used can be raw vegetable oils or such oils that have been previously subjected to a prerefining stage, animal fats, or mixtures of such feedstocks. The invention relates to a method allowing high diesel fuel base yields to be obtained from such feedstocks. | 12-31-2009 |
| 20100036183 | Process for hydrogenation of carboxylic acids and derivatives to hydrocarbons - A process for hydrogenating a carboxylic acid or derivative thereof comprising feeding a carboxylic acid or derivative thereof and hydrogen to a reactor, maintaining conditions therein such that hydrogen reacts with the carboxylic acid and/or derivative thereof to a product stream comprising one or more hydrocarbons and one or more oxides of carbon, feeding the product stream to a flash separator, wherein a vapour fraction comprising the one or more oxides of carbon is separated form a liquid fraction comprising the one or more hydrocarbons, wherein the concentration of carbon oxides in the flash separator is at or below a predetermined value. | 02-11-2010 |
| 20100228063 | USE OF CATALYTIC DISTILLATION FOR BENZENE SEPARATION AND PURIFICATION - A process for recovering benzene, the process including: feeding hydrogen and a hydrocarbon fraction comprising benzene, components lighter than benzene, components heavier than benzene, and diolefins to a catalytic distillation reactor system comprising at least one reaction zone comprising a hydrogenation catalyst; concurrently in the catalytic distillation reactor system: contacting the diolefins and hydrogen in the presence of the hydrogenation catalyst to selectively hydrogenate at least a portion of the diolefins; and fractionating the hydrocarbon fraction to form a fraction comprising benzene and other C | 09-09-2010 |
| 20100331587 | Process for the manufacture of at least one ethylene derivative compound - Process for the manufacture of at least one ethylene derivative compound starting from a low value residual gas, preferably a ROG, according to which: | 12-30-2010 |
| 20110092754 | PRE-DISTRIBUTION PLATE FILTRATION WITH OVERFLOW TUBE FOR FIXED BED REACTOR OPERATING IN GAS AND LIQUID CO-CURRENT DOWNFLOW MODE - The device described in the present invention allows pre-distribution of the gas and liquid feed supplying a reactor functioning in gas and liquid co-current downflow mode to be carried out by means of a pre-distribution plate comprising a filtration medium and an overflow tube in order to regulate the flow of liquid arriving on the distributor plate located downstream of said device. | 04-21-2011 |
| 20110245555 | TETRAMER PRODUCTION APPARATUS AND PROCESS RELATING THERETO - One exemplary embodiment can be a tetramer production apparatus. The apparatus can include a fractionation zone and an oxygenate removal zone. The fractionation zone can produce a distillation product including one or more C6 hydrocarbons for producing one or more C12 compounds. The oxygenate removal zone may remove one or more oxygenate compounds from the distillation product passed through the oxygenate removal zone. | 10-06-2011 |
| 20120065441 | DEVICE FOR DISTRIBUTING A POLYPHASE MIXTURE COMPRISING A JET BREAKER TRAY PERFORATED WITH DIFFERENT TYPES OF HOLES - The present invention concerns a device for distributing a polyphase mixture constituted by at least one gas phase and at least one liquid phase, said mixture being in downflow mode passing through at least one bed of solid particles, and said device comprising at least one tray ( | 03-15-2012 |
| 20130072733 | METHOD OF SEPARATING PENTENE-2 FROM A C5 CUT CONTAINING PENTENE-2 AND PENTENE-1 BY SELECTIVE OLIGOMERIZATION OF PENTENE-1 - The present invention describes a method of separating pentene-2 from a C5 cut containing pentene-2 and pentene-1 by selective oligomerization of pentene-1 to dimers having a branching index less than or equal to 1. Optional additional steps make it possible to separate 2-methyl-2-butene, 2-methyl-1-butene, n-pentane, iso-pentane, pentadienes as well as traces of acetylene hydrocarbons optionally present in the C5 feedstock. | 03-21-2013 |
| 20130172640 | HYDROMETHANATION OF A CARBONACEOUS FEEDSTOCK - The present invention relates generally to processes for hydromethanating a carbonaceous feedstock in a hydromethanation reactor to a methane product stream and a char by-product, and more specifically to removal of the char by-product from the hydromethanation reactor. | 07-04-2013 |
| 20130261358 | METHODS AND APPARATUSES FOR ISOMERIZATION OF PARAFFINS - Embodiments of methods and apparatuses for isomerization of paraffins are provided. In one example, a method comprises the steps of separating an isomerization effluent into a product stream that comprises branched paraffins and a stabilizer overhead vapor stream that comprises HCl, H | 10-03-2013 |
| 20130310616 | PROCESS FOR SEPARATION OF WATER FROM PYROLYSIS GASOLINE - A process for separating water from pyrolysis gasoline obtained from a steam cracking step uses a coalescer for the water separation. And a device comprises a coalescer for water separation from pyrolysis gasoline. | 11-21-2013 |
| 20140114103 | PROCESS FOR PREPARING CYCLOHEXANE COMPRISING A PRIOR REMOVAL OF DIMETHYLPENTANES - The present invention relates to a process for preparing cyclohexane from benzene and/or methylcyclopentane (MCP) by hydrogenation or isomerization. Prior to the cyclohexane preparation, the dimethylpentanes (DMP) are removed in a distillation apparatus (D1) from a hydrocarbon mixture (HM1) comprising not only benzene and/or MCP but also DMP. If cyclohexane is already present in the hydrocarbon mixture (HM1), this cyclohexane is first removed together with DMP from benzene and/or MCP. This cyclohexane already present can be separated again from DMP in a downstream distillation step and recycled into the process for cyclohexane preparation. | 04-24-2014 |
| 20140257000 | METHOD FOR PRODUCING BASE LUBRICATING OIL FROM OILS RECOVERED FROM COMBUSTION ENGINE SERVICE - A method for producing ILSAC GF5 or higher compatible oils from used oil, comprising separating material having a boiling point less than about 350° F. from recovered oil to produce de-volatized oil fraction and light oil fraction. Separating material with a boiling point greater than about 350° F. and less than about 650° F. from the de-volatized oil fraction to produce fuel oil fraction and heavy oil fraction. Separating material with a boiling point greater than about 1200° F. from the heavy oil fraction to produce partially purified oil fraction and residual fraction. Treating the partially purified oil fraction to separate it into purified oil fraction and contaminant fraction. Hydrogenating the contaminant fraction to remove predetermined compounds, further saturating the fraction and thereby creating a saturated oil fraction. Fractionating the saturated oil stream to produce one or more of naphtha fraction, diesel oil fraction and base oil fraction. | 09-11-2014 |
| 20140378721 | METHOD FOR PRODUCING PARAFFINS AND APPARATUS FOR PRODUCING PARAFFINS - Provided are a method for producing paraffins and an apparatus for producing paraffins, in which each high-purity paraffin can be produced with high efficiency while complicated operations such as distillation are not carried out. An apparatus for producing paraffins includes a separation and recovery unit and a hydrogenation unit. The separation and recovery unit has a separator containing silver ions, and separates impurities from raw material olefins containing olefins as main components and recovers the olefins, by bringing the raw material olefins into contact with the separator. The hydrogenation unit brings the olefins recovered by the separation and recovery unit into contact with hydrogen in a presence of a catalyst and subjects the recovered olefins to a hydrogenation reaction, thereby obtaining high-purity paraffins. | 12-25-2014 |
| 20150065766 | Heavy Oils Having Reduced Total Acid Number and Olefin Content - A process for treating a heavy oil by heating a feedstock comprising a heavy oil in order to separate from the heavy oil a first fraction. The first fraction contains no more than 25% of the total number of acid groups of the heavy oil. A second fraction contains at least 75% of the total number of acid groups of the heavy oil. The second fraction then is treated under conditions that provide a heavy oil that has a total acid number, or TAN, that does not exceed 1.0 mg KOH/g, or is at least 50% lower than the total acid number prior to treatment, an olefin content that does not exceed 1.0 wt. %, and a p-value of at least 50% of the p-value of the heavy oil prior to treatment, or a p-value that is at least 1.5. | 03-05-2015 |
| 20160176784 | HYDROGEN SUPPLY SYSTEM AND HYDROGEN SUPPLY METHOD | 06-23-2016 |
| 20190144762 | Heavy Oils Having Reduced Total Acid Number and Olefin Content | 05-16-2019 |
