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Class Information
Number: 528/235
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > From aldehyde or derivative thereof as reactant > Polymerizing in the presence of a specified material other than a reactant > Material contains a metal atom > Material contains a transition metal atom > Transition metal atom is a group viii metal atom
Description: Subject matter wherein the transition metal is a Group VIII metal atom, i.e., Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6100368 |
Process for production of acidic aqueous solutions of melamine-aldehyde polymer having low levels of free aldehyde |
Aug. 8, 2000 |
| 5770678 |
Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts |
Jun. 23, 1998 |
| 5728798 |
Process for preparing polyacetal copolymer |
Mar. 17, 1998 |
| 5691426 |
Resin composition |
Nov. 25, 1997 |
| 5641853 |
Polymerization of cyclic ethers using selected metal compound catalysts |
Jun. 24, 1997 |
| 5500477 |
Polyacetal molding materials having high impact resistance, a process for their preparation, and their use |
Mar. 19, 1996 |
| 5434236 |
Photodegradable polyesters |
Jul. 18, 1995 |
| 5124417 |
Initiators for cationic polymerization |
Jun. 23, 1992 |
| 5055547 |
Liquid-crystal copolyethers based on 7-oxa-bicyclo(2,2,1)heptane |
Oct. 8, 1991 |
| 4956445 |
Process for the preparation of acetal polymer or copolymer |
Sep. 11, 1990 |
| 4841020 |
Catalytic polymerization of carbon monoxide with functional substituted ethylenically unsaturated monomer |
Jun. 20, 1989 |
| 4677187 |
Furfuryl alcohol-aldehyde resins |
Jun. 30, 1987 |
| 4405771 |
Organometallic polymers, their preparation and compositions containing them |
Sep. 20, 1983 |
| 4352923 |
Process for polymerizing formaldehyde |
Oct. 5, 1982 |
| 4334055 |
Resin derived from acenaphthene, process for its production and intermediates in its production |
Jun. 8, 1982 |
| 4173551 |
Heat curable compositions |
Nov. 6, 1979 |
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