Class C08F : MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/18: Processes of polymerisation Polymerisation in non-solvents (C08F 2/32 takes precedence) Aqueous medium Suspension polymerisation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264212 | Copolymer for suppressing protein adsorption, method for producing copolymer, resin modifier, molding material, copolymer-containing composition, coating film, and article | Mar 18, 21 | Apr 01, 25 | Mitsubishi Chemical Corporation |
| 12240963 | Process for preparation of polyethylene | Oct 14, 19 | Mar 04, 25 | Sabic Global Technologies B.V. |
| 12227643 | Liquid chloride salt-based polymer suspension fluids with polyethylene glycol dispersants and application to drag reduction | Apr 29, 22 | Feb 18, 25 | PSMG, LLC |
| 12221500 | Suspension process for preparing ethylene polymers comprising drying of the polymer particles | May 28, 20 | Feb 11, 25 | Basell Polyolefine GmbH |
| 12202916 | Method for producing hollow resin particles | Jun 04, 20 | Jan 21, 25 | Zeon Corporation |
| 12168737 | Matting agent including polymer particles, matting polymer composition including matting agent, and method of producing polymer particles | Aug 30, 22 | Dec 17, 24 | HANNANOTECH CO., LTD. |
| 12084526 | Vinyl alcohol polymer and method for producing vinyl alcohol polymer | Dec 26, 19 | Sep 10, 24 | SEKISUI CHEMICAL CO., LTD.; Sekisui Specialty Chemicals America, LLC; |
| 12084527 | Method for producing super absorber particles | Feb 11, 19 | Sep 10, 24 | BASF SE |
| 12030972 | Aqueous dispersion of polymeric composite microspheres | May 16, 22 | Jul 09, 24 | Rohm and Haas Company; DOW SILICONES CORPORATION; |
| 11866521 | Reactor system for multimodal polyethylene polymerization | Sep 07, 17 | Jan 09, 24 | Thai Polyethylene Co., Ltd.; SCG CHEMICALS CO., LTD.; |
| 11834531 | Suspension process for preparing ethylene copolymers in a reactor cascade | Jun 19, 19 | Dec 05, 23 | Basell Polyolefine GmbH |
| 11814534 | Clay-polyacrylate composites suspension via in situ polymerization | Feb 27, 23 | Nov 14, 23 | Agency for Science Technology and Research |
| 11814535 | Clay-polyacrylate composites suspension via in situ polymerization | Feb 27, 23 | Nov 14, 23 | Agency for Science Technology and Research |
| 11707722 | Inorganic nanoparticle-coated hollow particles, method for producing the same, and aqueous dispersion containing the hollow particles | Sep 11, 19 | Jul 25, 23 | Zeon Corporation |
| 11667739 | Making particles with radial variation | Sep 21, 18 | Jun 06, 23 | DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC |
| 11603421 | Method for preparing thermoplastic copolymer, thermoplastic copolymer prepared therefrom, and thermoplastic resin composition including the same | Dec 04, 19 | Mar 14, 23 | LG Chem Ltd. |
| 11548955 | Component addition polymerization | Oct 24, 18 | Jan 10, 23 | DDP SPECIALTY ELECTRONIC MATERIALS US, INC; DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC; |
| 11505629 | Vinyl chloride polymer and production method thereof | Apr 29, 19 | Nov 22, 22 | LG Chem, Ltd. |
| 11485901 | Polymeric systems for particle dispersion | Nov 28, 17 | Nov 01, 22 | RHODIA OPERATIONS |
| 11472893 | Acrylic polymer particles, production process therefor, ink composition, and coating composition | Sep 25, 19 | Oct 18, 22 | MITSUBISHI CHEMICAL CORPORATION |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0075,018 | HOLLOW PARTICLE | Dec 26, 22 | Mar 06, 25 | Zeon Corporation |
| 2025/0051,590 | MATTING AGENT INCLUDING POLYMER PARTICLES, MATTING POLYMER COMPOSITION INCLUDING MATTING AGENT, AND METHOD OF PRODUCING POLYMER PARTICLES | Oct 29, 24 | Feb 13, 25 | Not available |
| 2025/0043,051 | HOLLOW PARTICLES, METHOD FOR PRODUCING HOLLOW PARTICLES, AND RESIN COMPOSITION | Dec 07, 22 | Feb 06, 25 | Zeon Corporation |
| 2025/0025,850 | HOLLOW PARTICLES, RESIN COMPOSITION, AND RESIN MOLDED BODY | Dec 07, 22 | Jan 23, 25 | Zeon Corporation |
| 2025/0026,866 | METHOD FOR PRODUCING FLUORINE-CONTAINING COPOLYMER | Sep 30, 24 | Jan 23, 25 | AGC Inc. |
| 2024/0287,228 | HOLLOW POLYMER PARTICLES AND METHOD FOR MANUFACTURING SAME | Apr 24, 24 | Aug 29, 24 | SEKISUI KASEI CO., LTD. |
| 2024/0279,447 | MULTIMODAL POLYETHYLENE | Jun 14, 22 | Aug 22, 24 | Not available |
| 2024/0262,938 | SEMICONTINUOUS SUSPENSION POLYMERIZATION OF POLYACRYLATES IN A CAPILLARY REACTOR | Jun 01, 22 | Aug 08, 24 | Evonik Operations GmbH |
| 2024/0150,504 | METHOD OF PREPARING POLYMER | Jan 17, 23 | May 09, 24 | LG Chem Ltd. |
| 2024/0150,505 | PRODUCTION METHOD OF POLYTETRAFLUOROETHYLENE POWDER AND POLYTETRAFLUOROETHYLENE POWDER | Dec 27, 23 | May 09, 24 | DAIKIN INDUSTRIES, LTD. |
| 2024/0109,982 | REACTOR APPARATUS, VINYL-BASED POLYMER MANUFACTURING METHOD, AND METHOD FOR PRODUCING VINYL-BASED POLYMER | Dec 12, 23 | Apr 04, 24 | Not available |
| 2024/0084,120 | FIRE-RETARDANT COPOLYMERS AND MOLDING COMPOUNDS | Jun 23, 22 | Mar 14, 24 | Not available |
| 2024/0018,280 | FLUORORESIN COMPOSITION AND MOLDED OBJECT | Sep 29, 23 | Jan 18, 24 | Daikin Industries Ltd. |
| 2023/0383,020 | METHOD FOR PRODUCING HOLLOW PARTICLES AND HOLLOW PARTICLES | Oct 29, 21 | Nov 30, 23 | Zeon Corporation |
| 2023/0383,021 | METHOD FOR PRODUCING HOLLOW PARTICLES AND HOLLOW PARTICLES | Oct 26, 21 | Nov 30, 23 | Zeon Corporation |
| 2023/0143,176 | POLYMER PARTICLES, THICKENER, AND COMPOSITION | Sep 30, 20 | May 11, 23 | SEKISUI KASEI CO., LTD. |
| 2023/0109,397 | THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE MANUFACTURED USING THE SAME | Jun 11, 21 | Apr 06, 23 | LG Chem Ltd. |
| 2023/0053,926 | BATCH-TYPE STIRRER FOR SUSPENSION POLYMERIZATION OF POLYVINYL CHLORIDE RESIN, AND BATCH-TYPE SUSPENSION POLYMERIZATION REACTOR USING SAME | Sep 10, 20 | Feb 23, 23 | Not available |
| 2023/0039,916 | POLYMER PRODUCTION METHOD | Oct 18, 21 | Feb 09, 23 | LG Chem Ltd. |
| 2022/0153,881 | METHOD FOR PRODUCING HOLLOW RESIN PARTICLES | Jan 30, 20 | May 19, 22 | Zeon Corporation |
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