Class C08G : MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/24: 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 acetals
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11667745 | Method for producing oxymethylene copolymer | Nov 06, 17 | Jun 06, 23 | Mitsubishi Gas Chemical Company Inc. |
| 10988564 | Process for producing dimethoxymethane oligomers | Mar 08, 19 | Apr 27, 21 | Lyondell Chemical Technology L.P. |
| 10975189 | Process for producing oxymethylene copolymer | Mar 13, 17 | Apr 13, 21 | Mitsubishi Gas Chemical Company Inc.; THAI POLYACETAL CO., LTD .; |
| 10961384 | Process for improving the flexural toughness of moldings | May 20, 15 | Mar 30, 21 | BASF SE |
| 10280258 | Method for producing oxymethylene copolymer | Jun 30, 14 | May 07, 19 | Mitsubishi Gas Chemical Company Inc. |
| 10227448 | Trioxane composition and method for storing same | Dec 29, 17 | Mar 12, 19 | Mitsubishi Gas Chemical Company Inc. |
| 9902806 | Trioxane composition and method for storing the same | Jun 30, 14 | Feb 27, 18 | 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 |
| 9546241 | Method for producing polyacetal copolymer | Apr 04, 14 | Jan 17, 17 | POLYPLASTICS CO., LTD. |
| 9119394 | Anti-microbial polymers and their compositions | May 05, 10 | Sep 01, 15 | RECCE LIMITED |
| 6489432 | Organic anti-reflective coating polymer and preparation thereof | Dec 22, 00 | Dec 03, 02 | HYUNDAI ELECTRONICS INDUSTRIES CO., LTD. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0340,179 | POLYACETAL COPOLYMER AND METHOD OF MANUFACTURING THE SAME | Aug 23, 21 | Oct 26, 23 | POLYPLASTICS CO., LTD. |
| 2023/0250,211 | METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER | Apr 20, 23 | Aug 10, 23 | Mitsubishi Gas Chemical Company Inc. |
| 2020/0216,598 | PROCESS FOR PRODUCING OXYMETHYLENE COPOLYMER | Mar 13, 17 | Jul 09, 20 | Mitsubishi Gas Chemical Company Inc.; THAI POLYACETAL CO., LTD .; |
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