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Class Information
Number: 528/410
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 transition metal atom
Description: Subject matter wherein the specified material contains at least one atom of a transition metal.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 528/411 |
Material contains a group ivb metal atom (ti, zr, hf) |
66 |
| 528/412 |
Material contains a group viii metal atom (fe, co, ni, pd, ru, os, ir, rh, pt) |
106 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7544766 |
Method for the polymerization of cyclic ethers |
Jun. 9, 2009 |
| 7223832 |
Double-metal cyanide catalysts which can be used to prepare polyols and the processes related thereto |
May. 29, 2007 |
| 7220819 |
Electroluminescent conjugated polymers containing phosphorescent moieties and the application thereof in LED |
May. 22, 2007 |
| 7144970 |
Insulating-film forming material and insulating film using the same |
Dec. 5, 2006 |
| 7101959 |
Polymerization catalysts |
Sep. 5, 2006 |
| 7098295 |
Electroluminescent conjugated polymers containing phosphorescent moieties and the application thereof in led |
Aug. 29, 2006 |
| 7084237 |
Use of stannylenes and germylenes as polymerization catalysts for heterocycles |
Aug. 1, 2006 |
| 7034103 |
Process for production of polyols with hydroxide containing double metal cyanide (DMC) catalysts |
Apr. 25, 2006 |
| 7019107 |
Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile |
Mar. 28, 2006 |
| 6979722 |
Process for production of alkyllene oxide polymers |
Dec. 27, 2005 |
| 6977236 |
Preparation of a double metal cyanide catalyst |
Dec. 20, 2005 |
| 6906167 |
Process for producing polyether |
Jun. 14, 2005 |
| 6906156 |
Accelerators for cationic polymerization catalyzed by iron-based catalyst |
Jun. 14, 2005 |
| 6893736 |
Thermosetting resin compositions useful as underfill sealants |
May. 17, 2005 |
| 6878796 |
Solvent systems for polymeric dielectric materials |
Apr. 12, 2005 |
| 6815529 |
Catalyst for producing aliphatic polycarbonate and the preparation thereof |
Nov. 9, 2004 |
| 6800723 |
Process for producing polyether |
Oct. 5, 2004 |
| 6800720 |
Hydrogenated ring-opening metathesis copolymer and process for producing the same |
Oct. 5, 2004 |
| 6716788 |
Preparation of a double metal cyanide catalyst |
Apr. 6, 2004 |
| 6699961 |
DMC complex catalyst and process for its preparation |
Mar. 2, 2004 |
| 6586564 |
Double-metal cyanide catalysts for preparing polyether polyols |
Jul. 1, 2003 |
| 6552163 |
Method for fractioning poly (ethylene oxide) formed using a metallic cyanide catalyst |
Apr. 22, 2003 |
| 6541593 |
Process for the preparation of polyether oligomer containing reactive silicon group |
Apr. 1, 2003 |
| 6531566 |
Polyoxyalkylenepolyols and process for producing ring-opened polymer |
Mar. 11, 2003 |
| 6528616 |
Double metal cyanide catalysts for the production of polyther polyols |
Mar. 4, 2003 |
| 6524657 |
Solvent systems for polymeric dielectric materials |
Feb. 25, 2003 |
| 6458918 |
Method for producing partially crystalline polyether polyols |
Oct. 1, 2002 |
| 6437071 |
Silane-functionalized polyether composition |
Aug. 20, 2002 |
| 6429281 |
Hydrophobic, high Tg cycloaliphatic epoxy resins |
Aug. 6, 2002 |
| 6417323 |
Process for producing polyether |
Jul. 9, 2002 |
| 6413202 |
Solvent systems for polymeric dielectric materials |
Jul. 2, 2002 |
| 6414109 |
Process for producing tetrahydrofuran polymer |
Jul. 2, 2002 |
| 6403733 |
Organo-Lewis acid as cocatalyst for cationic homogeneous Ziegler-Natta olefin polymerizations |
Jun. 11, 2002 |
| 6403842 |
Processes for producing poly(alkylene ether) glycol |
Jun. 11, 2002 |
| 6348565 |
Method for preparing metal cyanide catalysts using silane-functional ligands |
Feb. 19, 2002 |
| 6313262 |
Method for preparing polyether polyol and copolymer thereof |
Nov. 6, 2001 |
| 6303733 |
Poly(arylene ether) homopolymer compositions and methods of manufacture thereof |
Oct. 16, 2001 |
| 6297350 |
Process for the preparation of copolyesters |
Oct. 2, 2001 |
| 6291628 |
Solvent systems for low dielectric constant polymeric materials |
Sep. 18, 2001 |
| 6211330 |
Process of making an epoxide polymer using highly active double metal cyanide catalysts |
Apr. 3, 2001 |
| 6147184 |
Onium borates/borates of organometallic complexes and cationic initiation of polymerization therewith |
Nov. 14, 2000 |
| 6124421 |
Poly(arylene ether) compositions and methods of manufacture thereof |
Sep. 26, 2000 |
| 6093793 |
Process for the production of polyether polyols |
Jul. 25, 2000 |
| 6063897 |
Acid-treated double metal cyanide complex catalysts |
May. 16, 2000 |
| 5952458 |
Process for preparing a vinyl terminated polymer |
Sep. 14, 1999 |
| 5922633 |
Thermal latent acid catalyst |
Jul. 13, 1999 |
| 5886139 |
Process for producing polyacetal copolymer |
Mar. 23, 1999 |
| 5798396 |
Sulfonium salt-containing compounds and initiators of polymerization |
Aug. 25, 1998 |
| 5780584 |
Highly active double metal cyanide complex catalysts |
Jul. 14, 1998 |
| 5770678 |
Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts |
Jun. 23, 1998 |
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