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Class Information
Number: 502/175
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Inorganic carbon containing > Cyanide
Description: Composition in which the carbon is bound to nitrogen by a triple bond.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6391820 |
Bi-metallic-cyanide catalysts used for preparing polyether polyols |
May. 21, 2002 |
| 6376420 |
Double-metal cyanide catalysts for producing polyether polyols |
Apr. 23, 2002 |
| 6362126 |
Supported double metal cyanide catalysts, method for producing them, and their use for producing polyether alcohols |
Mar. 26, 2002 |
| 6358877 |
Metal catalysts complexed with sulfone or sulfoxide compounds |
Mar. 19, 2002 |
| 6348565 |
Method for preparing metal cyanide catalysts using silane-functional ligands |
Feb. 19, 2002 |
| 6323375 |
Crystalline double metal cyanide catalysts for producing polyether polyols |
Nov. 27, 2001 |
| 6313060 |
Catalyst for ring-opening polymerization of alkylene oxide, method for preparation thereof and use thereof |
Nov. 6, 2001 |
| 6303833 |
Multi-metal cyanide complexes as catalysts and their use in preparing polyetherpolyols |
Oct. 16, 2001 |
| 6303533 |
Process for preparing two-metal cyanide catalysts |
Oct. 16, 2001 |
| 6204357 |
Double metal cyanide catalysts for preparing poly-etherpolyols |
Mar. 20, 2001 |
| 6063897 |
Acid-treated double metal cyanide complex catalysts |
May. 16, 2000 |
| 6028230 |
Epoxide polymerization process |
Feb. 22, 2000 |
| 6018017 |
Highly active double metal cyanide catalysts |
Jan. 25, 2000 |
| 6013596 |
Double metal cyanide catalysts containing cyclic, bidentate complexing agents |
Jan. 11, 2000 |
| 5998327 |
Zinc/metal hexacyanocobaltate complex compounds, a process for their preparation, and their use in a process for the production of polyether polyols |
Dec. 7, 1999 |
| 5952261 |
Double metal cyanide complex catalysts modified with Group IIA compounds |
Sep. 14, 1999 |
| 5919988 |
Foam test for double metal cyanide-catalyzed polyols |
Jul. 6, 1999 |
| 5900384 |
Double metal cyanide catalysts |
May. 4, 1999 |
| 5891818 |
Cyanide complex catalyst manufacturing process |
Apr. 6, 1999 |
| 5783513 |
Process for making double metal cyanide catalysts |
Jul. 21, 1998 |
| 5777177 |
Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter |
Jul. 7, 1998 |
| 5731407 |
Double metal cyanide complex catalysts |
Mar. 24, 1998 |
| 5714428 |
Double metal cyanide catalysts containing functionalized polymers |
Feb. 3, 1998 |
| 5712216 |
Highly active double metal cyanide complex catalysts |
Jan. 27, 1998 |
| 5693584 |
Highly active double metal cyanide catalysts |
Dec. 2, 1997 |
| 5689012 |
Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter |
Nov. 18, 1997 |
| 5652329 |
Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jul. 29, 1997 |
| 5639705 |
Double metal cyanide catalysts and methods for making them |
Jun. 17, 1997 |
| 5627120 |
Highly active double metal cyanide catalysts |
May. 6, 1997 |
| 5627122 |
Highly active double metal cyanide complex catalysts |
May. 6, 1997 |
| 5589431 |
Double metal cyanide complex catalysts |
Dec. 31, 1996 |
| 5545601 |
Polyether-containing double metal cyanide catalysts |
Aug. 13, 1996 |
| 5527880 |
Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jun. 18, 1996 |
| 5525565 |
Foam-supported double metal cyanide catalysts for polyol synthesis |
Jun. 11, 1996 |
| 5523386 |
Plastic foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jun. 4, 1996 |
| 5498583 |
Polyurethane foam-supported double metal cyanide catalysts for polyol synthesis |
Mar. 12, 1996 |
| 5482908 |
Highly active double metal cyanide catalysts |
Jan. 9, 1996 |
| 5470813 |
Double metal cyanide complex catalysts |
Nov. 28, 1995 |
| 5426081 |
Polyurethane foam-supported double metal cyanide catalysts for polyol synthesis |
Jun. 20, 1995 |
| 5158922 |
Process for preparing metal cyanide complex catalyst |
Oct. 27, 1992 |
| 4843054 |
Preparation of filterable double metal cyanide complex catalyst for propylene oxide polymerization |
Jun. 27, 1989 |
| 4789538 |
Method of preparing ammonia and ammonia synthesis catalysts |
Dec. 6, 1988 |
| 4778587 |
Hydrotreating process employing a pretreated alumina containing material |
Oct. 18, 1988 |
| 4698325 |
Catalysts for ammonia synthesis |
Oct. 6, 1987 |
| 4578220 |
Charge transfer complexes of tetrathio/seleno-fulvalene derivatives and biscyanimine derivatives; biscyanimine derivatives and method for producing same |
Mar. 25, 1986 |
| 4436946 |
Preparation of propylene and butylene dimers using palladium cyanide as catalyst |
Mar. 13, 1984 |
| 4347164 |
Mono- and poly-metallic supported catalysts |
Aug. 31, 1982 |
| 4309311 |
Ammonia synthesis with catalyst derived by heating on a support a salt selected from alkali metal, alkaline earth metal, iron and cobalt hexacyanocobaltates and hexacyanoruthenates |
Jan. 5, 1982 |
| 4285875 |
Process for preparing carboxylic acids by catalytic oxidation of aldehydes |
Aug. 25, 1981 |
| 4276199 |
Supported molybdenum/tungsten compositions |
Jun. 30, 1981 |
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