Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771) |
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11/04/1999 | CA2330036A1 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst |
11/03/1999 | CN1233531A Catalyst containing zeolite EUO and use of catalyst in process for isomerizing aromatic compounds containing 8 carbon atoms per molecule |
11/03/1999 | CN1046122C 脱氢方法 Dehydrogenation process |
11/03/1999 | CN1046121C 脱氢方法 Dehydrogenation process |
11/02/1999 | US5977426 Crystallization of 2,6-dimethylnaphthalene |
11/02/1999 | US5976352 Process for thermal conversion of hydrocarbons to aliphatic hydrocarbons which are more unsaturated than the starting products, combining a steam cracking step and a pyrolysis step |
10/27/1999 | EP0951443A1 Hydrocarbon conversion using large crystal zeolite catalyst |
10/27/1999 | CN1045951C Process for continuous olefin hydrocarbon isomerization with catalyzing regeneration |
10/27/1999 | CN1045950C Process for selective hydrogenation |
10/26/1999 | US5973218 Process for producing cycloolefin |
10/26/1999 | US5972203 Hydrocarbon conversion catalyst and its use |
10/21/1999 | WO1999052842A1 Xylene isomerization |
10/20/1999 | EP0950650A2 Process for the preparation of 2,6 dimethylnaphthalene |
10/20/1999 | EP0950019A1 Zeolite ssz-45 |
10/20/1999 | EP0949971A1 Use of microporous anorganic membrane catalysts |
10/20/1999 | EP0705238B1 Regeneration and stabilization of dehydrogenation catalyst |
10/20/1999 | EP0687248B1 Crystallization of 2,6-dimethylnaphthalene |
10/19/1999 | US5969205 Feeding heated alkenes having terminal double bonds, hydrogen, recycle stream into reactor charged with noble metal catalyst, isomerizing in liquid phase, dividing product stream, isolating alkenes having internal double bonds |
10/19/1999 | US5969203 Multistage distillation; improved yield |
10/19/1999 | US5969202 Hydrogenation of aromatic hydrocarbons using ruthenium catalyst, water and zinc sulfate |
10/19/1999 | US5968344 Conversion with high selectivity using bifunctional catalyst comprising hydrodehydrogenating group viii metal on an acidic silica-alumina gel which provides isomerization activity |
10/19/1999 | US5968342 Zeolite catalyst and method of converting hydrocarbons using the same |
10/19/1999 | US5968341 Activated silica enriched mazzite, production method and application thereof |
10/19/1999 | CA2175327C Regeneration of catalyst for the simultaneous selective hydrogenation of diolefins and nitriles |
10/14/1999 | DE19915590A1 Activation of catalyst containing group VIII metal for isomerization of 8 carbon aromatic compounds |
10/13/1999 | EP0949347A1 Use of steels with low content of alloying elements for applications involving non-coking properties |
10/13/1999 | EP0949229A1 Process for the isomerisation of aromatic compounds with eight carbon atoms using a catalyst of the structural type EUO |
10/13/1999 | EP0948475A1 Method for producing olefins, in particular propylenes, by dehydrogenation |
10/12/1999 | CA2034610C Platinum-enriched surface layer catalyst for the isomerization of alkanes |
10/07/1999 | WO1999049968A1 Dehydrogenation catalysts comprising at least iron, alkali metal and a noble metal |
10/07/1999 | WO1999049967A1 Catalyst for dehydrogenating 1,1-diphenylethanes and substituted 1,1-diarylethanes |
10/07/1999 | WO1999049966A1 Catalyst for dehydrogenating ethyl benzene to produce styrene |
10/07/1999 | DE19814459A1 Simultaneous production of 1,1-diphenylethylene and styrene, useful in copolymer production |
10/07/1999 | DE19814457A1 Production of 1,1-diphenyl ethylene useful in production of copolymers with styrene |
10/07/1999 | DE19814081A1 Katalysator zur Dehydrierung von 1,1-Diphenylethan und substituierten 1,1-Diarylethanen Catalyst for the dehydrogenation of 1,1-diphenyl ethane and 1,1-substituted Diarylethanes |
10/07/1999 | DE19814080A1 Katalysator zur Dehydrierung von Kohlenwasserstoffen, insbesondere zur Dehydrierung von Ethylbenzol zu Styrol, sowie Verfahren zu seiner Herstellung A catalyst for dehydrogenation of hydrocarbons, especially for the dehydrogenation of ethylbenzene to styrene, as well as methods for its preparation |
10/06/1999 | EP0946299A1 Selective hydrogenation catalysts containing palladium and at least one element selected among tin and lead |
10/06/1999 | EP0783470B1 Upgrading of fischer-tropsch heavy end products |
10/06/1999 | CN1230462A Low-temperature alkyl arene dehydrogenating catalyst |
10/06/1999 | CN1230461A Alkyl arene dehydrogenating catalyst |
10/05/1999 | US5962757 Dehydrogenation catalyst and process |
10/05/1999 | US5962755 Process for the isomerization of benzene containing feed streams |
09/30/1999 | WO1999048604A1 Fixed catalytic bed reactor |
09/30/1999 | CA2325435A1 Fixed catalytic bed reactor |
09/29/1999 | CN1045306C Method for reducing benzol content in petroleum |
09/29/1999 | CN1045286C Tech. for prepn. of high pureness metadimethyl benzene |
09/28/1999 | US5958822 Possessing a sulfonic acid fluoride, chloride or ester group or a sulfonic acid or a salt of a sulfonic acid group at one end and respectively a hydrolyzable or hydrolyzed silane group at the other end. catalysts for alkylation, acylation, |
09/28/1999 | US5958370 Zeolite SSZ-39 |
09/23/1999 | WO1999047476A1 Method of making dimethylnaphtalenes |
09/23/1999 | CA2323884A1 Method of making dimethylnaphthalenes |
09/22/1999 | EP0710152B1 Process for producing a modified oxide catalyst |
09/21/1999 | US5955642 Multi-stage alkylation zone having a plurality of series connected catalyst beds containing a as silicalite, coupled with intermediate separation and recirculation steps and liquid phase transalkylation over a zeolite catalyst having a |
09/21/1999 | US5955641 Alkylation of toluene with pentene/1-/ using acid catalyst; reforming pentyltoluene using platinum/alumina catalyst; cyclization, decyclization |
09/21/1999 | US5955397 Selective hydrogenation catalysts containing palladium, also tin and/or lead, and the preparation and use thereof |
09/21/1999 | CA2093511C Process for producing dialkylnaphthalene |
09/21/1999 | CA2010654C Process for isomerization of a hydrocarbon stream |
09/16/1999 | WO1999046041A1 Hydrocarbon hydrogenation and catalyst therefor |
09/16/1999 | WO1999046039A1 Improved catalyst support material |
09/16/1999 | DE19830171C1 Preparation of phytosqualane from vegetable oil residue, useful for cosmetic and pharmaceutical purposes, e.g. in shampoos, foam baths, creams, lotions and salves |
09/15/1999 | EP0941230A1 1,3-diphosphinopropane ligands and transition metal complexes formed therefrom, their preparation and use |
09/15/1999 | EP0739239B1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
09/15/1999 | EP0536325B1 Wax isomerization using catalyst of specific pore geometry |
09/15/1999 | CN1228402A Process for preparing olefines by 2C or 3C alkyne gas phase selective hydrogeneration |
09/14/1999 | US5952534 Manufacturing of 2,6-dimethylnaphthalene |
09/14/1999 | US5952430 Process for selective hydrogenation of poly(monovinyl aromatic)-poly(conjugated diene) block copolymers |
09/14/1999 | US5952257 MTW zeolite for cracking feedstock into olefins and isoparaffins |
09/10/1999 | WO1999044738A1 Solid acid catalyst, method for preparing the same and reaction using the same |
09/08/1999 | EP0830315B1 Process for preparing ferrierite |
09/08/1999 | EP0600935B1 Hydrogenation process |
09/07/1999 | US5948946 Use of sol-gel derived porous microposite of perfluorinated ion-exchange polymer and metal oxide to isomerize terminal olefins |
09/01/1999 | EP0939070A1 Process for the preparation of six-ring carbocyclic compounds |
09/01/1999 | EP0938460A1 Process for olefin isomerization |
09/01/1999 | CN1227534A Process for forming cyclopentane from dicyclopentadiene |
09/01/1999 | CN1044868C C8 arene isomerization catalyst and its preparation method |
08/31/1999 | CA2046295C Process for producing lube oil from olefins by isomerization over a silicoaluminophosphate catalyst |
08/26/1999 | WO1999042404A1 Polymetallic oxide materials |
08/26/1999 | DE19807269A1 Multimetal oxides used as catalysts in oxidative dehydrogenation of propane to propene |
08/25/1999 | EP0937697A2 Improvements in catalysts |
08/25/1999 | CN1226883A Process for separating and purifying alkali metal salts of hydroxynaphthalenecarboxylic acids |
08/25/1999 | CN1044787C Producing isobutene catalyst by oxidizing and dehydrogenating isobutane |
08/24/1999 | US5942652 Ethane pyrolysis |
08/24/1999 | US5942650 Selective absorbtion of acetonitrile from aromatic stream with nonacidic molecular sieve of specific zeolites with pore size of less than 5.5 angstroms prevents downstream poisoning of acid catalysts in alkyl aromatic production |
08/19/1999 | WO1999041337A1 Improved wax hydroisomerization process |
08/19/1999 | WO1999041335A1 A lube basestock with excellent low temperature properties and a method for making |
08/19/1999 | WO1999041334A1 Process for improving basestock low temperature performance using a combination catalyst system |
08/19/1999 | WO1999041008A1 Reactor vessel |
08/19/1999 | CA2320106A1 Process for improving basestock low temperature performance using a combination catalyst system |
08/19/1999 | CA2319146A1 Improved wax hydroisomerization process |
08/18/1999 | EP0793634B1 Hydrocarbon conversion process using a zeolite bound zeolite catalyst |
08/18/1999 | CN1226227A Method for producing high purity isobutylene from butane plus fraction containing isobutylene and butylene-1 |
08/18/1999 | CN1225917A Method for preparing straight chain mono-olefins by supercritical catalyst dehydrogenation |
08/18/1999 | CN1044704C Preparation of cycloolefin |
08/12/1999 | WO1999040050A1 Process for preparing cyclic monomers |
08/11/1999 | EP0934920A2 Preparation of hydrogenated compounds using noble metal Raney catalysts |
08/10/1999 | US5935897 Hydrogenation, oxidation, dehydrogenation catalysts |
08/04/1999 | EP0737176B1 Process for isomerizing linear olefins to isoolefins |
08/04/1999 | CN1225081A Recovery of styrene from pyrolysis gasoline by extractive distillation |
08/04/1999 | CN1044469C Method for producing a cycloolefin |
07/28/1999 | EP0931588A1 Catalytic composition for the hydrogenation of olefinically unsaturated compounds |
07/28/1999 | EP0931040A1 Process and catalyst for the catalytic oxidative dehydrogenation of alkyl aromatics and paraffins |