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Class Information
Number: 502/164
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Organic compound containing > Organic phosphorus or nitrogen, except the ammonium ion > Quaternary ammonium or phosphonium
Description: Composition in which the nitrogen or phosphorus has four valence satisfied by organic moieties.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4956324 |
Catalyst containing dipolar compounds useful for sweetening a sour hydrocarbon fraction |
Sep. 11, 1990 |
| 4946817 |
Latent catalysts for epoxy-containing compounds |
Aug. 7, 1990 |
| 4939112 |
Catalyst for synthesis of vesicular phenoxy resins |
Jul. 3, 1990 |
| 4935395 |
Homogeneous catalyst formulations for methanol production |
Jun. 19, 1990 |
| 4927957 |
Catalytic dimerization of alkyl acrylates |
May. 22, 1990 |
| 4913802 |
Process for sweetening a sour hydrocarbon fraction |
Apr. 3, 1990 |
| 4908122 |
Process for sweetening a sour hydrocarbon fraction |
Mar. 13, 1990 |
| 4904629 |
Quaternary triethylenediamine compositions and their combination with tertiary amines for delayed action/enhanced curing catalysts in polyurethane systems |
Feb. 27, 1990 |
| 4897251 |
Catalytic removal of hydrogen sulphide from liquid sulphur |
Jan. 30, 1990 |
| 4889949 |
Catalytic (co)dimerization of alkyl acrylates |
Dec. 26, 1989 |
| 4879266 |
Catalyst for preparation of dimethyl carbonate |
Nov. 7, 1989 |
| 4845011 |
Visible light photoinitiation compositions |
Jul. 4, 1989 |
| 4843183 |
Process for producing lower olefinic hydrocarbons from methanol |
Jun. 27, 1989 |
| 4834869 |
Resid upgrading process |
May. 30, 1989 |
| 4831001 |
Cyclic polycarbonate oligomers: inhibition and control of polymerization to linear polycarbonates |
May. 16, 1989 |
| 4824818 |
Catalytic composite and process for mercaptan sweetening |
Apr. 25, 1989 |
| 4795728 |
Motor fuel alkylation process utilizing a surfactant containing catalyst to reduce hydrofluoric acid requirements |
Jan. 3, 1989 |
| 4789535 |
Lithium-aluminum-phosphorus-oxide molecular sieve compositions |
Dec. 6, 1988 |
| 4786623 |
Catalytic (CO)dimerization of alkyl acrylates |
Nov. 22, 1988 |
| 4785025 |
Quaternary triethylenediamine compositions and their combination with tertiary amines for delayed action/enhanced curing catalysts in polyurethane systems |
Nov. 15, 1988 |
| 4778905 |
Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith |
Oct. 18, 1988 |
| 4778780 |
Synthesis of crystalline SAPO-17 |
Oct. 18, 1988 |
| 4775651 |
Process for the production of silanes |
Oct. 4, 1988 |
| 4771025 |
Catalyst systems for the preparation of foams containing isocyanurate and urethane linkages |
Sep. 13, 1988 |
| 4767736 |
Polyurethane foam catalysts that eliminate polyurea-containing polyol based masterbatch cure drift |
Aug. 30, 1988 |
| 4766101 |
Alumina-based catalyst carriers having improved durability/mechanical strength/aging resistance |
Aug. 23, 1988 |
| 4764499 |
Method for producing dual colloid catalyst composition |
Aug. 16, 1988 |
| 4743572 |
Magnesia-alumina-aluminum phosphate catalyst and catalyst product thereof |
May. 10, 1988 |
| 4740490 |
Dual colloid catalyst compositions |
Apr. 26, 1988 |
| 4734535 |
Preparation of aliphatic chlorine compounds |
Mar. 29, 1988 |
| 4725420 |
Process for the production of silanes |
Feb. 16, 1988 |
| 4707501 |
Polyurethane foam catalysts that eliminate polyurea-containing polyol based masterbatch cure drift |
Nov. 17, 1987 |
| 4701430 |
Hydrogenation catalyst and methods for its preparation and use to convert silicon tetrachloride to chlorosilane and silane |
Oct. 20, 1987 |
| 4692504 |
Deactivation of phosphonium salt catalyst |
Sep. 8, 1987 |
| 4686311 |
Dehydrohalogenation of haloethyl brominated benzenes |
Aug. 11, 1987 |
| 4677137 |
Supported photoinitiator |
Jun. 30, 1987 |
| 4675304 |
Method for modifying polycarbonate formation catalysts |
Jun. 23, 1987 |
| 4659687 |
Hydrogenation catalysts and process of making said catalyst |
Apr. 21, 1987 |
| 4613491 |
Redistribution catalyst and methods for its preparation and use to convert chlorosilicon hydrides to silane |
Sep. 23, 1986 |
| 4612301 |
Metal coordination complexes of heteropolyacids as catalysts for alcohol conversion |
Sep. 16, 1986 |
| 4608358 |
Catalyst for the isomerization reaction of quadricyclanes to norbornadienes |
Aug. 26, 1986 |
| 4605677 |
Process for C.sub.1 -C.sub.4 alkanol production from synthesis gas |
Aug. 12, 1986 |
| 4604183 |
Catalytic process for hydroconversion of solid carbonaceous materials |
Aug. 5, 1986 |
| 4602049 |
Novel product and process of isocyanurate production |
Jul. 22, 1986 |
| 4595671 |
Peroxide compositions based on tungsten and phosphorus or arsenic, and processes and uses relative thereto |
Jun. 17, 1986 |
| 4582861 |
Delayed action/enhanced curing catalysis in polyurethane systems |
Apr. 15, 1986 |
| 4578523 |
Process for the preparation of aldehydes |
Mar. 25, 1986 |
| 4574121 |
Metal chelate mercaptan oxidation catalyst |
Mar. 4, 1986 |
| 4567029 |
Crystalline metal aluminophosphates |
Jan. 28, 1986 |
| 4554143 |
Crystalline ferroaluminophosphates |
Nov. 19, 1985 |
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