Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/06: Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances Catalysts
| 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 |
| 11981772 | Polyoxymethylene and method of producing same | Sep 10, 19 | May 14, 24 | Asahi Kasei Kabushiki Kaisha |
| 11787892 | Process for making an oxymethylene polymer | Jan 09, 18 | Oct 17, 23 | BASF SE; Kolon Plastics Inc.; |
| 11326051 | Method for producing oxymethylene polymer and oxymethylene polymer resin composition | Jun 10, 20 | May 10, 22 | Mitsubishi Gas Chemical Company Inc. |
| 10975189 | Process for producing oxymethylene copolymer | Mar 13, 17 | Apr 13, 21 | Mitsubishi Gas Chemical Company Inc.; THAI POLYACETAL CO., LTD .; |
| 10280258 | Method for producing oxymethylene copolymer | Jun 30, 14 | May 07, 19 | Mitsubishi Gas Chemical Company Inc. |
| 9902797 | Method for producing oxymethylene copolymer | May 10, 13 | Feb 27, 18 | MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| 9868819 | Method for producing a polydioxolane | Jul 03, 14 | Jan 16, 18 | MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| 9765172 | Process for preparing polyoxymethylene | May 26, 14 | Sep 19, 17 | BASF SE |
| 9745400 | Method for producing polyacetal copolymer | Dec 10, 14 | Aug 29, 17 | POLYPLASTICS CO., LTD. |
| 9695265 | Process for producing polyacetal copolymer | Dec 10, 14 | Jul 04, 17 | POLYPLASTICS CO., LTD. |
| 9657136 | Production method for polyacetal copolymer | Oct 25, 13 | May 23, 17 | POLYPLASTICS CO., LTD. |
| 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. |
| 9469715 | copolymers | Dec 17, 13 | Oct 18, 16 | COVESTRO DEUTSCHLAND AG |
| 9217058 | Acetal metathesis polymerization | Sep 24, 13 | Dec 22, 15 | UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. |
| 9163120 | Initiator | Apr 07, 14 | Oct 20, 15 | CELANESE SALES GERMANY GMBH |
| 7504523 | Uretonimine-modified isocyanate composition and method of forming the same | Mar 10, 06 | Mar 17, 09 | BASF CORPORATION |
| 7476718 | Process for producing polyoxymethylene | Jun 10, 05 | Jan 13, 09 | E. I. DU PONT DE NEMOURS AND COMPANY |
| 7223829 | Polyketone solution | Dec 15, 05 | May 29, 07 | ASAHI KASEI KABUSHIKI KAISHA |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0376,245 | COPOLYMERISATION OF ALDEHYDES AND VINYL ETHERS | Mar 24, 22 | Nov 14, 24 | BASF SE |
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