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Class Information
Number: 528/415
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From heterocyclic reactant containing as ring atoms oxygen, selenium or tellurium, e.g., epoxy, etc. > Polymerizing in the presence of a specified material other than a reactant > Material contains a metal atom > Material contains a group iib metal atom (zn, cd, hg) > Material contains at least two diverse metal atoms either in the same compound or in different compounds
Description: Subject matter wherein the Group IIB metal material contains a diverse metal atom in the same compound, or wherein a Group IIB material is in admixture with a material which contains a diverse metal atom.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7268204 |
Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols |
Sep. 11, 2007 |
| 7223832 |
Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto |
May. 29, 2007 |
| 7053250 |
Method of preparing a polyether polyol |
May. 30, 2006 |
| 7034103 |
Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts |
Apr. 25, 2006 |
| 6977236 |
Preparation of a double metal cyanide catalyst |
Dec. 20, 2005 |
| 6936684 |
Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound |
Aug. 30, 2005 |
| 6884826 |
Process for preparing double metal cyanide catalyzed polyols |
Apr. 26, 2005 |
| 6835801 |
Activated starter mixtures and the processes related thereto |
Dec. 28, 2004 |
| 6833431 |
Double-metal cyanide catalysts for preparing polyether polyols |
Dec. 21, 2004 |
| 6833460 |
Preparation and use of gamma-butyrolactones as cross-linking agents |
Dec. 21, 2004 |
| 6800720 |
Hydrogenated ring-opening metathesis copolymer and process for producing the same |
Oct. 5, 2004 |
| 6762278 |
Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds |
Jul. 13, 2004 |
| 6716788 |
Preparation of a double metal cyanide catalyst |
Apr. 6, 2004 |
| 6624286 |
Double-metal cyanide catalysts containing polyester for preparing polyether polyols |
Sep. 23, 2003 |
| 6586564 |
Double-metal cyanide catalysts for preparing polyether polyols |
Jul. 1, 2003 |
| 6569981 |
Crystallizing polyether polyols, a method for producing them and use of the same |
May. 27, 2003 |
| 6528616 |
Double metal cyanide catalysts for the production of polyther polyols |
Mar. 4, 2003 |
| 6458918 |
Method for producing partially crystalline polyether polyols |
Oct. 1, 2002 |
| 6423850 |
Preparation and use of gamma-butyrolactones as cross-linking agents |
Jul. 23, 2002 |
| 6388048 |
Complexing agent-modified trimetal cyanide catalyst |
May. 14, 2002 |
| 6376645 |
Complexing agent-modified hexacyanometallate hexanitrometallate catalysts |
Apr. 23, 2002 |
| 6358612 |
Coating compositions with a base consisting of silanes containing epoxide groups |
Mar. 19, 2002 |
| 6348565 |
Method for preparing metal cyanide catalysts using silane-functional ligands |
Feb. 19, 2002 |
| 6211330 |
Process of making an epoxide polymer using highly active double metal cyanide catalysts |
Apr. 3, 2001 |
| 6013596 |
Double metal cyanide catalysts containing cyclic, bidentate complexing agents |
Jan. 11, 2000 |
| 5922832 |
Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof |
Jul. 13, 1999 |
| 5789626 |
Highly active double metal cyanide catalysts |
Aug. 4, 1998 |
| 5731407 |
Double metal cyanide complex catalysts |
Mar. 24, 1998 |
| 5663289 |
Preparation and polymerization of initiators containing multiple oxetane rings: new routes to star polymers |
Sep. 2, 1997 |
| 5652329 |
Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jul. 29, 1997 |
| 5641858 |
Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jun. 24, 1997 |
| 5641853 |
Polymerization of cyclic ethers using selected metal compound catalysts |
Jun. 24, 1997 |
| 5596075 |
Polyurethane foam-supported double metal cyanide catalysts for polyol synthesis |
Jan. 21, 1997 |
| 5527880 |
Polyurethane foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jun. 18, 1996 |
| 5523386 |
Plastic foam-supported double metal cyanide catalysts for polyether polyol synthesis |
Jun. 4, 1996 |
| 5478920 |
Cyclic ether polymerization using silicon compound accelerators |
Dec. 26, 1995 |
| 5362848 |
Preparation and polymerization of initiators containing multiple oxetane rings: new routes to star polymers |
Nov. 8, 1994 |
| 5290912 |
Process for producing a polyoxyalkylene compound |
Mar. 1, 1994 |
| 5073643 |
High yield synthesis of hydroxyl-containing cationic photoinitiators |
Dec. 17, 1991 |
| 4962281 |
Synthesis of stereoregular poly(propylene oxide) |
Oct. 9, 1990 |
| 4654416 |
Homopolymerization of bicyclic amide acetal |
Mar. 31, 1987 |
| 4477589 |
Catalysts for the polymerization of epoxides and process for the preparation of such catalysts |
Oct. 16, 1984 |
| 4396754 |
Rapid curing epoxy compositions |
Aug. 2, 1983 |
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