| Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080) |
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| 01/29/1991 | US4988830 Oxidation of hydrocarbons having at least 4 carbon atoms to form a hydroperoxide, reacting with propylene to form propylene oxide and alcohol, further epoxidation of propene |
| 01/15/1991 | US4985385 Method of preparing a catalyst precursor comprised of calcined nickel-aluminum feitknecht compound/non-calcined alumino-silicate clay/alkaline earth and/or rear earth metal compound |
| 01/15/1991 | US4985151 Process for separating molecular species |
| 01/08/1991 | WO1991000777A1 Low-aluminum boron beta zeolite |
| 01/08/1991 | CA2062947A1 Low-aluminum boron beta zeolite |
| 12/25/1990 | US4980053 Production of gaseous olefins by catalytic conversion of hydrocarbons |
| 12/13/1990 | WO1990015118A1 Process and apparatus for vapour-phase cracking of hydrocarbons |
| 12/04/1990 | US4975401 Porous catalyst for hydrocarbon bottom fraction |
| 12/04/1990 | US4975258 Sodium oxide, potassium oxide, quinuclidine, tetraethylammonium chloride or hydroxide and silicon or germanium oxide |
| 12/04/1990 | US4975164 Using metal, non-metal or composite plasma initiator |
| 11/27/1990 | US4973785 Molecular sieve compositions |
| 11/27/1990 | US4973781 Zeolite ZSM-57 and catalysis therewith |
| 11/27/1990 | US4973460 Lithium-aluminum-phosphorus-silicon-oxide molecular sieve compositions |
| 10/31/1990 | EP0395345A1 Production of olefins |
| 10/31/1990 | EP0394434A1 New zeolite ssz-31. |
| 10/10/1990 | EP0391620A1 Method for reducing fouling in ethylene cracking furnaces |
| 10/09/1990 | US4962264 Methods for retarding coke formation during pyrolytic hydrocarbon processing |
| 10/04/1990 | DE3909368A1 Utilisation of mixtures of plastics of different chemical compositions |
| 10/03/1990 | EP0390058A1 Catalyst composition, process for cracking non-aromatic hydrocarbons and process for isomerizing C8 aromatic hydrocarbons |
| 10/03/1990 | CN1009820B Process for preparing molecular sieve composed of oxides of zn, al, p and si |
| 10/03/1990 | CA2004252A1 Triphenylphosphine oxide as an ethylene furnace antifoulant |
| 09/21/1990 | WO1990011338A1 Process for the conversion of c2-c12 paraffinic hydrocarbons to petrochemical feedstocks |
| 09/21/1990 | CA2028144A1 Process for the conversion of c -c paraffinic hydrocarbons to petrochemical feedstocks |
| 09/11/1990 | US4956515 Dehydrogenation process and catalyst |
| 09/04/1990 | US4954326 Preparation of crystalline aluminosilicate zeolite, and its product |
| 08/29/1990 | CN1009337B Composition of matter and method for conversion of c3 and c4 hydrocarbons |
| 08/28/1990 | US4952743 Circulation, ignition, quenching; produces acetylene or ethylene |
| 07/25/1990 | EP0378916A1 Catalytic reactions using zeolites |
| 07/25/1990 | CN1044052A Catalytic reactions using zeolites |
| 07/10/1990 | US4940829 Hydrodemethylation of neohexane |
| 07/10/1990 | US4940828 Steam cracking feed gas saturation |
| 07/03/1990 | US4939110 Catalyst for the isomerization of aromatics |
| 07/03/1990 | US4938937 Crystalline aluminophosphate composition |
| 07/03/1990 | CA1271201A1 Product recovery method for dehydrocyclodimerization process |
| 06/27/1990 | CN1043323A Continuous catalytic cracking method for reclaiming waste foam polystyrene |
| 06/19/1990 | US4935216 Zinc-aluminum-phosphorus-silicon-oxide molecular sieve compositions |
| 06/14/1990 | WO1990006352A1 Improved method of refining coal by short residence time hydrodisproportionation |
| 06/13/1990 | EP0372471A1 Process for preparation of lower aliphatic hydrocarbons |
| 06/13/1990 | EP0372468A1 Dehydrogenation process and catalyst |
| 06/13/1990 | CN1042898A Process and appliance for hydrocarbons conversion |
| 06/05/1990 | CA2004584A1 Process for preparation of lower aliphatic hydrocarbons |
| 06/05/1990 | CA2001514A1 Dehydrogenation process and catalyst |
| 06/05/1990 | CA1270005A1 Catalytic conversion of propane to ethylene over zsm- 23 |
| 06/05/1990 | CA1270004A1 Catalytic conversion of propane to ethylene over zsm- 50 |
| 05/29/1990 | US4929791 Catalytic cracking, dehydrogenation, forming methane |
| 05/29/1990 | US4929790 Catalytic conversion of propane to ethylene over ZSM-23 |
| 05/29/1990 | US4929789 Formation of ethylene or acetylene from hydrocarbons |
| 05/29/1990 | CA2003795A1 Method of refining coal by short residence time hydrodisproportionation |
| 05/23/1990 | CN1042343A Olefins production |
| 05/23/1990 | CN1042317A Composition of matter and method for conversion of c3 and c4 hydrocarbons |
| 05/22/1990 | CA1269224A1 Crystalline gallophosphate compositions |
| 05/17/1990 | WO1990005125A1 Olefins production |
| 05/09/1990 | CN1041934A Chemical conversion process |
| 05/03/1990 | WO1990004567A1 New zeolite ssz-31 |
| 05/01/1990 | US4922051 Process for the conversion of C2 -C12 paraffinic hydrocarbons to petrochemical feedstocks |
| 05/01/1990 | US4921823 Porous anodic aluminium oxide membrane catalyst support |
| 04/25/1990 | CN1041541A Catalysts |
| 04/20/1990 | CA2001121A1 Zeolite ssz-31 |
| 04/17/1990 | US4918256 Co-production of aromatics and olefins from paraffinic feedstocks |
| 04/04/1990 | EP0361424A2 Catalyst composition, process for cracking non-aromatic hydrocarbons and process for isomerizing C8-aromatic hydrocarbons |
| 04/03/1990 | CA1267402A1 Substituted aluminosilicate compositions and process for preparing same |
| 03/28/1990 | EP0360554A1 Catalysts |
| 03/28/1990 | EP0359841A1 Chemical conversion process |
| 03/07/1990 | EP0357418A1 Use of triphenylphosphine as an ethylene furnace antifoulant |
| 03/06/1990 | US4906176 High temperature stable catalyst, process for preparing same, and process for conducting chemical reaction using same |
| 02/14/1990 | CN1039577A Method of recovering styrene monomer by cracking waste polystyrene |
| 02/14/1990 | CN1006766B Process for enabling c3 and c4 hydrocarbon conversion |
| 02/13/1990 | US4900426 Triphenylphosphine oxide as an ethylene furnace antifoulant |
| 02/13/1990 | US4900413 Process for direct carbonylation of hydrocarbons |
| 02/07/1990 | EP0353915A2 Novel crystalline (metallo) silicates and germanates |
| 02/07/1990 | EP0353914A2 Novel crystalline (metallo) silicates and germanates |
| 02/07/1990 | CN1006704B Sequential cracking of hydrocarbons |
| 02/07/1990 | CN1006703B Method for transformation of c3 and c4 hydrocarbon |
| 02/06/1990 | US4899012 Catalyst for the isomerization of aromatics |
| 01/24/1990 | CN1038946A Composition of matter and method for conversion of c3 and c4 hydrocarbons |
| 01/16/1990 | US4894213 Arsenic-aluminum-phosphorus-silicon-oxide molecular sieve compositions |
| 01/09/1990 | US4892720 Substituted aluminosilicate compositions and process for preparing same |
| 12/26/1989 | US4889614 Methods for retarding coke formation during pyrolytic hydrocarbon processing |
| 12/19/1989 | CA1263967A1 Sequential cracking of hydrocarbons |
| 12/06/1989 | EP0345182A1 Process and apparatus for the fabrication of olefins and diolefins by steam cracking of hydrocarbons, controlled by a system comprising an infrared spectrophotometer |
| 12/05/1989 | US4885419 1,2-Di(4-isobutylphenyl)hydrocarbon and its preparation and uses as intermediate |
| 12/05/1989 | CA1263623A1 Antifoulants for thermal cracking processes |
| 12/05/1989 | CA1263622A1 Antifoulants for thermal cracking processes |
| 11/29/1989 | EP0343921A2 Eta phase materials, methods of producing the same, and use therof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon hydrogenation and hydrocarbon converion reactions |
| 11/21/1989 | US4882307 Process for preparing noble metal-containing zeolites |
| 11/16/1989 | WO1989010910A1 Manufacture of alkylbenzenes |
| 11/15/1989 | CN1037097A Substitution of cr and / or sn in place of al in the framework of molecular sieve via treatment with fluoride salts |
| 10/10/1989 | US4873067 Zeolite ZSM-57 |
| 09/26/1989 | CA1261315A1 Composition of matter and method for conversion of c.sub.3 and c.sub.4 hydrocarbons |
| 09/26/1989 | CA1260916A1 Composition of matter and method for conversion of c.sub.3 and c.sub.4 hydrocarbons |
| 09/26/1989 | CA1260915A1 Composition of matter and method for conversion of c.sub.3 and c.sub.4 hydrocarbons |
| 09/26/1989 | CA1260914A1 Composition of matter and method for conversion of c.sub.3 and c.sub.4 hydrocarbons |
| 09/26/1989 | CA1259779A1 Moldings made of silicate material, their use and processes for their preparation |
| 08/29/1989 | US4861938 Conditioning catalyst after regeneration |
| 08/08/1989 | US4855519 Method for producing arylethylene |
| 08/08/1989 | US4855518 Method for producing p-alkylstyrene |
| 07/12/1989 | EP0323736A2 Co-production of aromatics and olefins from paraffinic feedstocks |
| 06/27/1989 | US4842836 Zeolite LZ-133 |
| 06/21/1989 | EP0321177A2 Substitution of Cr and/or Sn in place of A1 in the framework of molecular sieve via treatment with fluoride salts |
| 06/07/1989 | EP0319369A1 Process and apparatus for the conversion of hydrocarbons |