Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
03/1989
03/01/1989CN1031335A Composition of matter and method for conversion of c3 and c4 hydrocarbons
02/1989
02/22/1989EP0303617A1 Acid catalyzed process
02/22/1989CN1031247A Process for reduction of refined catalytic before use
02/21/1989US4806624 Catalytic conversion; ethylbenzene to styrene, propane to propylene; oxidation of product hydrogen
02/21/1989CA1250318A1 Natural gas conversion
02/21/1989CA1250129A1 Crystalline silicas
02/15/1989EP0303527A1 Catalyst of aluminosilicate with at least one noble metal and its use for the isomerisation of C8 fraction
02/15/1989EP0303525A1 Process for reducing a refining catalyst before its use
02/14/1989US4804803 Isomerization with once-through hydrogen
02/14/1989US4804802 Isomerization process with recycle of mono-methyl-branched paraffins and normal paraffins
02/14/1989US4804799 Dehydrogenation catalyst
02/14/1989US4804795 Isomerized alicyclic saturated hydrocarbon
02/07/1989CA1249847A1 Method for dehydrogenating hydrocarbons
01/1989
01/31/1989US4801666 Olefin and cycloalkene polymerization with organolanthanide catalysts
01/31/1989US4801567 Vanadium and phosphorus, production of maleic anhydride
01/31/1989US4801364 Hydrorefining catalysts, molecular sieves
01/31/1989US4801309 Titanium-aluminum-phosphorus-silicon-oxide molecular sieves
01/31/1989CA1249564A1 Synthesis of molecular sieving metallosilicates using heteropolymetallates
01/26/1989WO1989000452A1 Catalyst composition and method for selective dehydrogenation
01/26/1989DE3723104A1 Process for the selective preparation of 2-methylnaphthalene
01/25/1989EP0300018A1 Hydrogenation process.
01/24/1989US4799942 Molecular sieves for absorption separation or as catalysts
01/24/1989CA1249304A1 Tertiary-butylstyrene recovery
01/17/1989US4798911 Sulfur-free palladium and copper on carbon support
01/17/1989CA1248945A1 Adamantyl carboxylic and sulfonic acid catalyzed paraffin-olefin alkylation and paraffin isomerization
01/17/1989CA1248931A1 Zeolite l preparation
01/11/1989EP0298408A1 Method for preparing norbornene structure compound
01/10/1989CA1248699A1 Peptide compounds, a process for manufacturing them, pharmaceutical compositions containing them and methods for treating ulcer and thrombus with them
01/10/1989CA1248554A1 Method for increasing hydrogen consumption in hydrocarbon dehydrogenation process using oxidative reheat step
01/10/1989CA1248507A1 Titanium-aluminum-phosphorous-silicon-oxide-molecular sieve compositions
01/04/1989EP0297685A1 Dehydrogenation catalyst
01/04/1989EP0297657A1 Dehydrogenation catalyst
01/03/1989US4795845 Burning deactivating coke in the presence of an oxygen containing gas
01/03/1989US4795732 Sulphided platinum group metal-silicalite dehydrogenation catalysts
01/03/1989US4795545 Zeolite then alumina adsorption
01/03/1989CA1248080A1 Quinary and senary molecular sieve compositions
01/03/1989CA1248079A1 Zinc-aluminum-phosphorous-silicon-oxide molecular sieve compositions
01/03/1989CA1248078A1 Cobalt-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/1988
12/28/1988EP0296285A1 A dehydrogenation catalyst having improved moisture stability and a process for making the same
12/28/1988EP0224531B1 Zeolites of the borosilicate type, containing fluorine
12/27/1988US4793984 Molecular sieve compositions
12/27/1988US4793833 Manganese-aluminum-phosphorus-silicon-oxide molecular sieves
12/21/1988EP0295638A1 Isomerization process and apparatus
12/20/1988US4792625 Using heterogeneous system without phase transfer catalyst
12/20/1988CA1247146A1 Selective production of ethylene and propylene
12/20/1988CA1247145A1 Conversion of c.sub.3 and c.sub.4 hydrocarbons to less saturated hydrocarbons
12/14/1988CN87103900A Improved isothermal reaction furnace
12/13/1988US4791222 Hydrogenating alpha-penene; pyrolyzing; hydrochlorinating; reacting with water or acetic acid using specific catalyst
12/13/1988US4791079 Ceramic membrane for hydrocarbon conversion
12/13/1988CA1246530A1 Manganese-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246529A1 Magnesium-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246523A1 Iron-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/07/1988EP0293939A2 Crystalline aluminophosphate composition
12/07/1988EP0293914A1 Oligomerization processes and catalysts
12/07/1988EP0293633A2 1,2-Di(4-isobutylphenyl)ethylene and its preparation and use as intermediate
12/06/1988US4789655 Oxychlorination of group eight metal supported by mordenite; good metal dispersion
12/06/1988US4789535 Absorbents, catalysts
12/01/1988WO1988009318A1 Selective gas-phase isomerization of dimethylnaphthalene: 2,6-dmn triad
11/1988
11/30/1988EP0293032A2 Synthetic, crystalline, porous material containing oxides of silicon and boron
11/30/1988EP0292885A2 Catalytic transfer-hydrogenation with aromatic nitro compounds as hydrogen acceptor
11/30/1988CN88101948A Composition of matter and method of oxidative conversion of organic compounds therewith
11/30/1988CN87103444A Catalytic composition for isomerization of paraffinic hydrocarbons
11/29/1988US4788380 Titanium-aluminum-silicon-oxide molecular sieve compositions
11/29/1988US4788371 Catalytic oxidative steam dehydrogenation process
11/29/1988US4788308 For hydroformylation, isomerization, oxidation
11/29/1988CA1245619A1 High temperature zeolite l preparation
11/23/1988EP0292363A2 Zeolites having an MFI-structure, based on silica and titanium oxide, and method for their synthesis
11/22/1988US4786626 Reaction product of alumina, alkali metal hydroxide and alkali metal useful as a catalyst
11/17/1988EP0291066A2 Catalyst
11/15/1988US4784843 Skin oils, spreading
11/09/1988EP0290050A1 Method for producing alkylstyrene
11/08/1988US4783575 Isomerization with cyclic hydrocarbon conversion
11/08/1988US4783570 Selective gas-phase isomerization of dimethylnaphthalene: 2,7-DMN triad
11/08/1988US4783569 Selective gas-phase isomerization of dimethylnaphthalene: 2,6-DMN triad
11/08/1988US4783565 Rhodium catalyst
11/03/1988WO1988008416A1 Insecticidal cyclopropyl-substituted di(aryl) compounds
11/02/1988EP0289061A1 Method for the preparation and application of rhodium catalysts for the hydrogenation of aromatic and other unsaturated compounds under mild conditions.
11/02/1988EP0288622A1 Process for the isomerization of paraffinic hydrocarbons
11/02/1988CN88101892A Insecticidal cyclopropyl-substituted di(aryl) compounds
11/01/1988US4781906 Alkylation and isomerization catalysts, molecular sieve absorbers
11/01/1988US4781814 Oxides of aluminum, phosphorus and at least two other elements
11/01/1988CA1243978A1 Conversion of aromatics to isoparaffins using a naa1c1.sub.4/ha1c1.sub.4 molten salt catalyst system
10/1988
10/26/1988EP0288362A1 Process for the isomerization of butene-1 into butenes-2 in a C4 hydrocarbon cut containing butadiene and sulphur compounds
10/26/1988EP0288295A1 Process for the production of 2,3-Dimethylbutene-1 from propene
10/26/1988EP0288294A1 Zeolite L synthesis
10/25/1988CA1243650A1 ZEOLITE .beta. CATALYST COMPOSITION
10/25/1988CA1243649A1 PREPARATION OF ZEOLITE .beta.
10/18/1988US4778944 Catalytic isomerization of sulfur-containing feedstocks
10/18/1988US4778943 Skeletal isomerization of olefins over halogen-containing alkaline earth oxide catalysts
10/18/1988US4778942 Process for the dehydrogenation of hydrocarbons
10/18/1988US4778941 Eduction of intermediate effluent in dehydrogenation process having oxidative reheat
10/12/1988CN87101513A Catalyst containing pt, sn, li, s for dehydrogenation of saturated hydrocarbon
10/11/1988US4777322 Obtaining but-2-enes from C4 -hydrocarbon mixtures which contain but-1-ene and may or may not contain but-2-enes
10/11/1988US4777319 Oxidative dehydrogenation of alkanes to unsaturated hydrocarbons
10/11/1988US4777313 Boron-promoted reducible metal oxides and methods of their use
10/11/1988US4777312 Process for the isomerization of dimethylnaphthalenes
10/11/1988CA1243009A1 Synthesis of crystalline zeolite
09/1988
09/28/1988EP0284206A1 Zeolite L preparation
09/27/1988US4774378 Catalytic dehydrogenation of ethylbenzene
09/27/1988US4774375 HF alkylation and selective hydrogenation process