Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/38: Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances Block or graft polymers prepared by polymerisation of aldehydes or ketones on to macromolecular compounds
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12091492 | Method for producing polyoxymethylene polyoxyalkylene block copolymers | Oct 21, 19 | Sep 17, 24 | Covestro Intellectual Property GmbH & Co. KG |
| 10808117 | Polyacetal resin composition and molded article thereof | Jul 06, 18 | Oct 20, 20 | Asahi Kasei Kabushiki Kaisha |
| 10781307 | Polyoxymethylene resin molded article, sliding member, and ramp for hard disk | Jul 16, 18 | Sep 22, 20 | Asahi Kasei Kabushiki Kaisha |
| 10759902 | Process for the production of polyoxymethylene block copolymers | Sep 04, 18 | Sep 01, 20 | Covestro Deutschland AG |
| 10093772 | Process for the production of polyoxymethylene block copolymers | Apr 01, 15 | Oct 09, 18 | Covestro Deutschland AG |
| 9790328 | Polyethercarbonate-polyoxymethylene block copolymers | Jun 10, 14 | Oct 17, 17 | COVESTRO DEUTSCHLAND AG |
| 9688814 | Functionalized polyoxymethylene block copolymers | Dec 18, 13 | Jun 27, 17 | COVESTRO DEUTSCHLAND AG |
| 8859721 | Process for working up particulate crude polyoxymethylene | Aug 09, 12 | Oct 14, 14 | BASF SE |
| 5637671 | Fluorine-containing compounds having polyacetalic structure, and process for preparing them | Oct 12, 95 | Jun 10, 97 | AUSIMONT S.P.A. |
| 5476918 | Fluorine-containing compounds having polyacetalic structure, and process for preparing them | May 05, 93 | Dec 19, 95 | AUSIMONT S.P.A. |
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