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Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
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CPC
C08G73/1042
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CHEMISTRY METALLURGY
C08
Organic compounds
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G73/00
Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
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C08G73/1042
Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
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Patents Grants
last 30 patents
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Patent Grant
Window cover film and flexible display panel including the same
Patent number
12,360,291
Issue date
Jul 15, 2025
SK Innovation Co., Ltd.
Jong Nam Ahn
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Preparation method of solid self-lubricating material with high tem...
Patent number
12,359,142
Issue date
Jul 15, 2025
Wuhan Research Institute Of Materials Protection
Haitao Duan
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyamideimide resin, resin composition, and semiconductor device
Patent number
12,319,814
Issue date
Jun 3, 2025
Resonac Corporation
Gaku Hashimoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hybrid crosslinked polymer membrane
Patent number
12,297,355
Issue date
May 13, 2025
SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
Jong Suk Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Proton exchange membrane made of a crystalline sulfonated polyimide...
Patent number
12,291,615
Issue date
May 6, 2025
Shanghai Jiao Tong University
Jianhua Fang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Loss-dissipation flexible copper clad laminate, manufacturing metho...
Patent number
12,286,511
Issue date
Apr 29, 2025
CPC CORPORATION, TAIWAN
Ching-Hsuan Lin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimide film and manufacturing method thereof
Patent number
12,269,924
Issue date
Apr 8, 2025
Microcosm Technology Co., Ltd.
Bo Hung Lai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide compound and molded article comprising the polyimide comp...
Patent number
12,269,949
Issue date
Apr 8, 2025
WINGO TECHNOLOGY CO., LTD.
Toshiyuki Goshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diamine, polymer and film produced using the same
Patent number
12,258,306
Issue date
Mar 25, 2025
SK Innovation Co., Ltd.
Hyun Kyu Cho
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyamic acid resin, polyimide resin, and resin composition includi...
Patent number
12,247,104
Issue date
Mar 11, 2025
Nippon Kayaku Kabushiki Kaisha
Kenta Sugawara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Transparent polyimide film and production method therefor
Patent number
12,234,323
Issue date
Feb 25, 2025
Kaneka Corporation
Takashi Ando
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer compositions and coating solutions
Patent number
12,234,374
Issue date
Feb 25, 2025
DUPONT ELECTRONICS, INC.
Kostantinos Kourtakis
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimide resin composition
Patent number
12,215,196
Issue date
Feb 4, 2025
Mitsubishi Gas Chemical Company, Inc.
Atsushi Sakai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Negative photosensitive resin composition, patterning process, meth...
Patent number
12,197,127
Issue date
Jan 14, 2025
Shin-Etsu Chemical Co., Ltd.
Masashi Iio
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin composition
Patent number
12,195,627
Issue date
Jan 14, 2025
Mitsubishi Gas Chemical Company, Inc.
Atsushi Sakai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin composition, cured product, sheet lamination material, resin...
Patent number
12,195,636
Issue date
Jan 14, 2025
Ajinomoto Co., Inc.
Kenji Kawai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Flame-retardant polyimide molding material and molded object
Patent number
12,187,849
Issue date
Jan 7, 2025
Mitsubishi Gas Chemical Company, Inc.
Atsushi Sakai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide-based binder for power storage device, electrode mixture...
Patent number
12,176,543
Issue date
Dec 24, 2024
UBE Corporation
Takeshige Nakayama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide resin, varnish, and polyimide film
Patent number
12,163,048
Issue date
Dec 10, 2024
Mitsubishi Gas Chemical Company, Inc.
Yohei Abiko
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hydrophobic polyimide aerogels
Patent number
12,146,031
Issue date
Nov 19, 2024
Aerogel Technologies, LLC
Stephen A. Steiner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Polyamic acid composition for packaging electronic components, and...
Patent number
12,139,581
Issue date
Nov 12, 2024
PI Advanced Materials Co., Ltd.
Ik Sang Lee
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Resin composition and article made therefrom
Patent number
12,134,682
Issue date
Nov 5, 2024
ELITE MATERIAL CO., LTD.
Tse-Hung Liu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Polymers for use in electronic devices
Patent number
12,091,507
Issue date
Sep 17, 2024
DUPONT ELECTRONICS, INC.
Michael Henry Howard
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimides for temporary bonding adhesives, methods for manufacturi...
Patent number
12,091,508
Issue date
Sep 17, 2024
Kaneka Americas Holding, Inc.
Samuel Kyran
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimide-based polymer film, substrate for display device, and opt...
Patent number
12,065,543
Issue date
Aug 20, 2024
LG Chem, Ltd.
Kyunghwan Kim
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Resin composition for display substrate, resin film for display sub...
Patent number
12,060,457
Issue date
Aug 13, 2024
Toray Industries, Inc.
Tomoki Ashibe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide precursor composition and polyimide film, substrate for d...
Patent number
12,060,456
Issue date
Aug 13, 2024
LG Chem, Ltd.
Jiyeon Sung
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers for use in electronic devices
Patent number
12,049,542
Issue date
Jul 30, 2024
DUPONT ELECTRONICS, INC.
Brian C. Auman
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Monomer and polymer, compensation film, optical film, and display d...
Patent number
12,037,304
Issue date
Jul 16, 2024
Samsung Electronics Co., Ltd.
Dmitry Androsov
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polyimide copolymer, method for preparing the polyimide copolymer,...
Patent number
12,018,126
Issue date
Jun 25, 2024
LG Chem, Ltd.
Bethy Kim
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING METHOD OF POLYIMIDE POWDER AND POLYIMIDE POWDER MANUF...
Publication number
20250230282
Publication date
Jul 17, 2025
PI Advanced Materials Co., Ltd.
Hosung Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR COMPOSITION FOR FLEXIBLE WIRING BOARDS, POLYIMI...
Publication number
20250206883
Publication date
Jun 26, 2025
UBE Corporation
Kosuke YAMAJI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE PRECURSOR FOR DISPLAY SUBSTRATE, POLYIMIDE FILM FOR DISPL...
Publication number
20250163218
Publication date
May 22, 2025
UBE Corporation
Taiga ADACHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer, Positive And Negative Photosensitive Resin Compositions, P...
Publication number
20250147420
Publication date
May 8, 2025
Shin-Etsu Chemical Co., Ltd.
Hiroyuki URANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Polyimide Resin, Resin Composition Containing Said Polyimide Resin,...
Publication number
20250109249
Publication date
Apr 3, 2025
Nippon Kayaku Kabushiki-Kaisha
Kengo Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE BINDER PRECURSOR COMPOSITION, AND POWER STORAGE DEVICE US...
Publication number
20250112240
Publication date
Apr 3, 2025
UBE Corporation
Keisuke MORIMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRANSLUCENT LOW-DIELECTRIC POLYIMIDE FILM AND MANUFACTURING METHOD...
Publication number
20250084215
Publication date
Mar 13, 2025
PI Advanced Materials Co., Ltd.
Min-Sang CHO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
USE OF AND METHOD FOR PREPARING POLYIMIDE AEROGELS
Publication number
20250051609
Publication date
Feb 13, 2025
EMPA EIDGENOSSISCHE MATERIALPRUFUNGS- UND FORSCHUNGSANSTALT
Tingting WU
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SEPARATION FUNCTIONAL LAYER, SEPARATION MEMBRANE, AND METHOD FOR MA...
Publication number
20250041808
Publication date
Feb 6, 2025
NITTO DENKO CORPORATION
Hisae SHIMIZU
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HIGH-HEAT-RESISTANT AND CHEMICAL-RESISTANT POLYIMIDE POWDER USING G...
Publication number
20250043084
Publication date
Feb 6, 2025
PI ADVANCED MATERIALS CO., LTD.
Min Seok YANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE FILM, HIGH-FREQUENCY CIRCUIT SUBSTRATE, AND FLEXIBLE ELEC...
Publication number
20250043077
Publication date
Feb 6, 2025
UBE Corporation
Kosuke Yamaji
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYETHERIMIDE HAVING REACTIVE BRANCHING
Publication number
20250043078
Publication date
Feb 6, 2025
SHPP Global Technologies B.V.
Roy Ray Odle
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYAMIC ACID VARNISH, POLYIMIDE COMPOSITION, AND ADHESIVE
Publication number
20250019582
Publication date
Jan 16, 2025
MITSUI CHEMICALS, INC.
Ko TAKASE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYIMIDE POWDER AND PREPARATION METHOD THEREFOR
Publication number
20240409689
Publication date
Dec 12, 2024
PI Advanced Materials Co., Ltd.
Min Seok YANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYIMIDE FILM, METHOD FOR PRODUCING POLYIMIDE FILM, AND POLYIMIDE...
Publication number
20240368361
Publication date
Nov 7, 2024
DAI NIPPON PRINTING CO., LTD.
Katsuya SAKAYORI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYIMIDE FOR SPACECRAFT, POLYIMIDE FILM FOR SPACECRAFT, AND SPACEC...
Publication number
20240352194
Publication date
Oct 24, 2024
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Akira MORI
B32 - LAYERED PRODUCTS
Information
Patent Application
POLYAMIC ACID, POLYAMIC ACID COMPOSITION, POLYIMIDE, POLYIMIDE FILM...
Publication number
20240343866
Publication date
Oct 17, 2024
TAMURA CORPORATION
Taiki ENDO
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Polyimide Resin, Resin Composition Comprising Polyimide Resin and C...
Publication number
20240343865
Publication date
Oct 17, 2024
Nippon Kayaku Kabushiki-Kaisha
Kengo Nishimura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MACROPOROUS-STRUCTURED POLYMER AEROGELS
Publication number
20240343880
Publication date
Oct 17, 2024
BLUESHIFT MATERIALS, INC.
Garrett POE
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
METHOD OF PREPARING POLYMER FILM, POLYMER FILM, SUBSTRATE FOR DISPL...
Publication number
20240336808
Publication date
Oct 10, 2024
LG CHEM, LTD.
Seung Jin HAN
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYIMIDE COPOLYMERS AND MEMBRANES, PREPARATION METHODS AND USES TH...
Publication number
20240327574
Publication date
Oct 3, 2024
China Petroleum and Chemical Corporation
Changjiang WU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hybrid Crosslinked Polymer Membrane And Process For Fabricating The...
Publication number
20240327638
Publication date
Oct 3, 2024
SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
Jong Suk LEE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PHOTOIMAGABLE DIELECTRICS
Publication number
20240317940
Publication date
Sep 26, 2024
Rohm and Haas Electronic Materials L.L.C.
Nora Sabina Radu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
POLYAMIC ACID COMPOSITION AND POLYIMIDE COATING MATERIAL COMPRISING...
Publication number
20240318034
Publication date
Sep 26, 2024
PI Advanced Materials Co., Ltd.
Gyeong Hyeon RO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Separator and methods for making the same
Publication number
20240304943
Publication date
Sep 12, 2024
CSI CHEMICAL CO., LTD.
JIAN-MING CHIU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POLYIMIDE-BASED POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, AND OPT...
Publication number
20240294710
Publication date
Sep 5, 2024
LG CHEM, LTD.
Mi Eun KANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
OPTICALLY TRANSPARENT POLYIMIDE
Publication number
20240287254
Publication date
Aug 29, 2024
Zymergen Inc.
Christopher Leland MCGANN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMERS FOR USE IN ELECTRONIC DEVICES
Publication number
20240279399
Publication date
Aug 22, 2024
DUPONT ELECTRONICS, INC.
Yang Li
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MELT-PROCESSABLE POLYIMIDES WITH HIGH GLASS TRANSITION TEMPERATURE
Publication number
20240228704
Publication date
Jul 11, 2024
Evonik Fibres GmbH
Doris CRISTUREAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLY(AMIC ACID) COMPOSITION, POLYIMIDE COMPOSITION, ADHESIVE, AND L...
Publication number
20240182645
Publication date
Jun 6, 2024
MITSUI CHEMICALS, INC.
Masaki OKAZAKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...