Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/22: 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 with epoxy compounds
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11767423 | Antimicrobial fibers | Sep 11, 19 | Sep 26, 23 | Mitsubishi Gas Chemical Company Inc. |
| 9765172 | Process for preparing polyoxymethylene | May 26, 14 | Sep 19, 17 | BASF SE |
| 9550853 | Method for producing polyacetal copolymer | Apr 04, 14 | Jan 24, 17 | POLYPLASTICS CO., LTD. |
| 9546241 | Method for producing polyacetal copolymer | Apr 04, 14 | Jan 17, 17 | POLYPLASTICS CO., LTD. |
| 6646016 | Aromatic aldehyde resins and their use as emulsion breakers | May 14, 02 | Nov 11, 03 | CLARIANT PRODUKTE (DEUTSCHLAND) GMBH |
| 6617416 | Polyoxymethylene copolymer and molded article thereof | Oct 15, 02 | Sep 09, 03 | MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| 6365704 | Polyacetal copolymer | Jul 05, 01 | Apr 02, 02 | BASF AKTIENGESELLSCHAFT, POLYPLASTICS CO., LTD., |
| 6255440 | Copolyacetal | Sep 21, 00 | Jul 03, 01 | POLYPLASTICS CO., LTD. |
| 5552510 | Oxirane and dioxolane copolymers, process for their preparation and ionic conduction materials containing same | May 27, 94 | Sep 03, 96 | CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, HYDRO-QUEBEC, |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0403,087 | METHOD FOR PRODUCING POLYOXYMETHYLENE POLYOXYALKYLENE COPOLYMERS | Dec 14, 20 | Dec 22, 22 | Not available |
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