C08J 3/12

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Class  C08J : WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H


Subclass 3/12: Processes of treating or compounding macromolecular substances Powdering or granulating

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12264211 Method for preparing super absorbent polymerAug 11, 20Apr 01, 25LG Chem, Ltd.
12257567 Process for preparation of superabsorbent polymerJan 28, 20Mar 25, 25UPL LTD
12257568 Superabsorbent polymer and preparation method for the sameSep 16, 20Mar 25, 25LG Chem, Ltd.
12258446 Polyketone powder for laser sinteringMay 16, 22Mar 25, 25LUMAS Polymers LLC
12247101 PEEK-PEoEK copolymer powder and method of preparing the powderApr 11, 24Mar 11, 25SOLVAY SPECIALTY POLYMERS USA, LLC
12247122 Polycarbonate blend having reduced disturbing noiseMay 11, 21Mar 11, 25Covestro Deutschland AG
12240775 Core-shell structure membrane scale inhibitor and preparation method thereforJun 02, 21Mar 04, 25JIANGSU FEYMER TECHNOLOGY CO., LTD.
12240957 Method for fabricating impermeable porous particlesDec 08, 21Mar 04, 25Eastman Kodak Company
12234334 Self-supported elastomeric film having self-healing properties made from a polymer latexJan 21, 20Feb 25, 25Synthomer (UK) Limited
12226955 Resin powder for three-dimensional molding, three-dimensional molded article, and method for producing three-dimensional molded articleApr 14, 20Feb 18, 25ASPECT INC.
12215203 Method for producing microparticlesMar 05, 20Feb 04, 25Korea University Research and Business Foundation
12215204 Silicone resin-covered silicone elastomer particles, organic resin additive, and other usesDec 19, 18Feb 04, 25Dow Toray Co., Ltd.
12208571 Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication objectOct 28, 21Jan 28, 25Ricoh Company, Ltd.
12209146 Modified cellulose fiber powderDec 26, 19Jan 28, 25KAO Corporation
12209171 Liquid epoxy molding compound and preparation method thereofSep 06, 24Jan 28, 25HUBEI CHOICE TECHNOLOGY CO., LTD.
12195608 Composite particles, composite-particle composition, and method for producing composite-particle compositionAug 05, 21Jan 14, 25TOPPAN INC.; Japan as represented by President of the University of Tokyo;
12187860 Water-absorbent resin powder and production method thereofMay 16, 19Jan 07, 25Nippon Shokubai Co Ltd.
12187861 Cellulosic particleNov 09, 22Jan 07, 25FUJIFILM Business Innovation Corp.
12180343 Thermoplastic polymers and method to make themDec 13, 22Dec 31, 24LUMAS Polymers LLC
12180348 Rheology modification by porous gel particlesNov 13, 19Dec 31, 24ENERGY SOLUTIONS (US) LLC

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2025/0115,750 METHOD FOR PREPARING SCRATCH-RESISTANT BIO-ADDITIVE FOR ADDITION TO PLASTICS, AND SCRATCH-RESISTANT BIO-ADDITIVE FOR ADDITION TO PLASTICS PREPARED THEREBYFeb 22, 23Apr 10, 25Not available
2025/0115,758 CHEMICAL-RESISTANT POLYCARBONATE COMPOSITION AND PREPARATION METHOD THEREFOROct 17, 24Apr 10, 25SHENZHEN YUANCHUANG CHEMICAL TECHNOLOGY CO., LTD.
2025/0109,290 POLY(HYDROXYALKANOIC ACID) POWDER AND USE THEREOFFeb 02, 23Apr 03, 25Kaneka Corporation
2025/0101,187 PBT-ALUMINA COMPOSITE PARTICLES, METHODS, AND MOLDED PARTSFeb 02, 23Mar 27, 25SHPP Global Technologies B.V.
2025/0101,188 NEW EPOXY RESIN COMPOSITION FOR USE AS STRUCTURAL ADHESIVEMar 07, 23Mar 27, 25BASF SE
2025/0092,231 RESIN COMPOSITION CONTAINING BIODEGRADABLE RESINDec 04, 24Mar 20, 25Kimmon Manufacturing Co. Ltd. and Mitsubishi Chemical Corporation
2025/0092,245 THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE INCLUDING THE SAMEJul 24, 23Mar 20, 25Not available
2025/0092,257 RECYCLABLE VITRIMER POLYMER, LIGHTWEIGHT HEAT-DISSIPATING POLYMER COMPOSITE COMPRISING THE SAME, AND MANUFACTURING METHOD THEREOFSep 18, 23Mar 20, 25Pusan National University Industry-University Cooperation Foundation
2025/0092,206 BIAXIALLY ORIENTED POLYPROPYLENE DIELECTRIC FILM, MODIFIED POLYPROPYLENE MATERIAL AND USE THEREOFNov 22, 22Mar 20, 25Not available
2025/0085,647 POLYESTER RESIN EMULSION, RESIN PARTICLE, TONER, AND METHOD OF MANUFACTURING TONERAug 26, 24Mar 13, 25Ricoh Company, Ltd.
2025/0075,016 PELLETIZED ETHYLENE/a-OLEFIN COPOLYMER PRODUCTDec 13, 22Mar 06, 25NOVA CHEMICALS (INTERNATIONAL) SA
2025/0066,559 Ultra-High Molecular Weight Polyethylene Powder and Molded ProductJul 09, 24Feb 27, 25Asahi Kasei Kabushiki Kaisha
2025/0066,560 POLYMER COMPOSITIONS WITH ANTIMICROBIAL AND WAVELENGTH-SHIFTING NANOPARTICLESNov 08, 24Feb 27, 25Not available
2025/0066,564 A PROCESS TO IMPROVE THE UTILITY OF RECYCLED POLYPROPYLENEDec 16, 22Feb 27, 25Not available
2025/0066,574 METHOD FOR RECYCLING WATER ABSORBENT RESIN AND METHOD FOR PRODUCING WATER ABSORBENT RESINFeb 06, 23Feb 27, 25Not available
2025/0066,576 METHOD FOR PREPARING RECYCLED BIS(2-HYDROXYETHYL) TEREPHTHALATE THROUGH MULTI-STEP DEPOLYMERIZATIONFeb 21, 23Feb 27, 25SK CHEMICALS CO., LTD.
2025/0066,586 POLYCARBONATE RESIN COMPOSITIONDec 27, 22Feb 27, 25Mitsubishi Engineering-Plastics Corporation
2025/0059,319 RECYCLED BIS(4-HYDROXYBUTYL)TEREPHTHALATE, METHOD FOR PREPARING SAME, AND POLYESTER RESIN USING SAMENov 22, 23Feb 20, 25Not available
2025/0059,322 METHOD FOR PRODUCING VARIOUS MOLECULAR WEIGHT POLYESTERSDec 19, 22Feb 20, 25Not available
2025/0059,334 COATED RESIN PARTICLES, WATER-ABSORBING RESIN COMPOSITION, AND ABSORBENT BODYOct 11, 22Feb 20, 25Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance