Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/18: Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances Copolymerisation of aldehydes or ketones
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11981772 | Polyoxymethylene and method of producing same | Sep 10, 19 | May 14, 24 | Asahi Kasei Kabushiki Kaisha |
| 11965058 | Oxymethylene-copolymer manufacturing method | Jun 12, 18 | Apr 23, 24 | Mitsubishi Gas Chemical Company Inc. |
| 9815934 | Isohexide-diacetal based polymers and a process thereof | May 09, 14 | Nov 14, 17 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 9765172 | Process for preparing polyoxymethylene | May 26, 14 | Sep 19, 17 | BASF SE |
| 9751971 | Dispersing resins for pigment preparations having a low volatile organic content | Feb 23, 15 | Sep 05, 17 | EVONIK DEGUSSA GMBH |
| 9657136 | Production method for polyacetal copolymer | Oct 25, 13 | May 23, 17 | POLYPLASTICS CO., LTD. |
| 9217058 | Acetal metathesis polymerization | Sep 24, 13 | Dec 22, 15 | UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. |
| 9099655 | Composition comprising at least one emitter compound and at least one polymer having conjugation-interrupting units | May 04, 10 | Aug 04, 15 | MERCK PATENT GMBH |
| 8859721 | Process for working up particulate crude polyoxymethylene | Aug 09, 12 | Oct 14, 14 | BASF SE |
| 8173763 | Carbon nanofibers and nanotubes grafted with a hyperbranched poly (ether-ketone) and its derivatives | Mar 03, 08 | May 08, 12 | The United States of America as represented by the Secretary of the Air Force |
| 7345135 | Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin | Apr 09, 04 | Mar 18, 08 | MITSUI CHEMICALS, INC. |
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