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Class Information
Number: 528/411
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 > Material contains a group ivb metal atom (ti, zr, hf)
Description: Subject matter wherein the transition metal is a Group IVB metal atom (Ti, Zr, Hf).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7544766 |
Method for the polymerization of cyclic ethers |
Jun. 9, 2009 |
| 7488772 |
Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene and metal amide or metal alkoxide catalyst |
Feb. 10, 2009 |
| 7268204 |
Complex of a multimetal cyanide compound and methods of forming polyethercarbonate polyols |
Sep. 11, 2007 |
| 7160962 |
Elastomer-modified epoxy siloxane compositions |
Jan. 9, 2007 |
| 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 |
| 6864306 |
High dielectric polymer composites and methods of preparation thereof |
Mar. 8, 2005 |
| 6800723 |
Process for producing polyether |
Oct. 5, 2004 |
| 6794451 |
Cationically polymerizable liquid composition and tacky polymer |
Sep. 21, 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 |
| 6639025 |
Elastomer-modified epoxy siloxane compositions |
Oct. 28, 2003 |
| 6632897 |
Use of nano-scaled metal oxide particles as polymerization catalysts |
Oct. 14, 2003 |
| 6586564 |
Double-metal cyanide catalysts for preparing polyether polyols |
Jul. 1, 2003 |
| 6544651 |
High dielectric constant nano-structure polymer-ceramic composite |
Apr. 8, 2003 |
| 6458918 |
Method for producing partially crystalline polyether polyols |
Oct. 1, 2002 |
| 6417323 |
Process for producing polyether |
Jul. 9, 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 |
| 6359108 |
Method for polymerizing cyclic ether |
Mar. 19, 2002 |
| 6337370 |
Inorganic-organic copolymer using polyvinylalcohol-silane coupling agent and preparation method thereof |
Jan. 8, 2002 |
| 6265519 |
Thiolamide curing agents |
Jul. 24, 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 |
| 6093793 |
Process for the production of polyether polyols |
Jul. 25, 2000 |
| 6063897 |
Acid-treated double metal cyanide complex catalysts |
May. 16, 2000 |
| 6063898 |
Compounds, polymers of them, processes for the preparation of both, and compositions containing the compounds |
May. 16, 2000 |
| 5952458 |
Process for preparing a vinyl terminated polymer |
Sep. 14, 1999 |
| 5922633 |
Thermal latent acid catalyst |
Jul. 13, 1999 |
| 5770678 |
Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts |
Jun. 23, 1998 |
| 5712331 |
Curable epoxy compositions containing aziridine in supercritical fluid carbon dioxide |
Jan. 27, 1998 |
| 5698631 |
Epoxy resin compositions for encapsulating signal transmission devices |
Dec. 16, 1997 |
| 5641853 |
Polymerization of cyclic ethers using selected metal compound catalysts |
Jun. 24, 1997 |
| 5569734 |
Curable epoxy resin mixtures containing metal salts |
Oct. 29, 1996 |
| 5492996 |
Alcohol soluble benzazole polymers |
Feb. 20, 1996 |
| 5493005 |
Hydroxy-pendent benzoxazole copolymers |
Feb. 20, 1996 |
| 5478920 |
Cyclic ether polymerization using silicon compound accelerators |
Dec. 26, 1995 |
| 5391698 |
Phosphoric acid polyesters and a process for their preparation |
Feb. 21, 1995 |
| 5344964 |
Method for preparing ester end-capped polyalkylene ether |
Sep. 6, 1994 |
| 5328975 |
Ultraviolet radiation absorbing coating |
Jul. 12, 1994 |
| 5216122 |
Removal of residual ethylene oxide from poly(ethylene oxide) |
Jun. 1, 1993 |
| 5147900 |
Energy-induced dual curable compositions |
Sep. 15, 1992 |
| 5124417 |
Initiators for cationic polymerization |
Jun. 23, 1992 |
| 5089536 |
Energy polmerizable compositions containing organometallic initiators |
Feb. 18, 1992 |
| 5032653 |
Direct synthesis by cationic polymerization of nitrogen-containing polymers |
Jul. 16, 1991 |
| 4988797 |
Cationic polymerization of cyclic ethers |
Jan. 29, 1991 |
| 4861839 |
Metal chelate compound and curable coating composition therefrom |
Aug. 29, 1989 |
| 4707535 |
Low viscosity adducts of a poly(active hydrogen) organic compound and polyepoxide |
Nov. 17, 1987 |
| 4631230 |
Unique epoxy resin compositions and composite molded bodies filled therewith |
Dec. 23, 1986 |
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