C08G 73/1035
From tetracarboxylic acids or derivatives and diisocyanates
Official title: {from tetracarboxylic acids or derivatives and diisocyanates}
C08G73/1035 (From tetracarboxylic acids or derivatives and diisocyanates) appears on 101 US grants and 89 published applications in this corpus.
Search patents in C08G- Granted patents
- 101
- Published applications
- 89
- Assignees
- 81
- Inventors
- 322
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 5 |
| 2012 | 4 | 8 |
| 2013 | 2 | 3 |
| 2014 | 5 | 7 |
| 2015 | 4 | 4 |
| 2016 | 5 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 8 |
| 2019 | 5 | 3 |
| 2020 | 4 | 5 |
| 2021 | 1 | 4 |
| 2022 | 3 | 3 |
| 2023 | 3 | 6 |
| 2024 | 3 | 7 |
| 2025 | 4 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation method of solid self-lubricating material with high temperature resistance15 Jul 2025US 12,359,142 B2Wuhan Research Institute of Materials Protection
- Curable resin composition, dry film and cured product thereof, and electronic component including cured product6 May 2025US 12,291,604 B2Taiyo Holdings Co., Ltd.
- Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device14 Jan 2025US 12,195,591 B2Samsung Electronics Co., Ltd.
- Electrically-insulating resin composition and electrical insulator14 Jan 2025US 12,198,832 B2Resonac Corporation
- Partial discharge-resistant paint, partial discharge-resistant insulating coating, electric wire, and rotating electric machine24 Sep 2024US 12,100,533 B2Sumitomo Seika Chemicals Co., Ltd.
- Thermosetting resin composition, cured product, and flexible printed board2 Jul 2026US 2026/0184920 A1Resonac Corporation
- A coating composition26 Feb 2026US 2026/0055296 A1PPG Industries Ohio, Inc.
- A coating composition23 Oct 2025US 2025/0326949 A1PPG Industries Ohio, Inc.
- Polyamide-imide polymer solution and method of preparation thereof25 Sep 2025US 2025/0297130 A1Axalta Coating Systems IP Co., LLC
- Thermally conductive composition24 Jul 2025US 2025/0236732 A1Industrial Technology Research Institute
Most cited
By later US patents
- 4,4'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride)129US 3,972,902 AGeneral Electric Company · 1976
- Porous cross-linked polyimide-urea networks22US 8,974,903 B2Ohio Aerospace Institute · 2015
- Polymer from diimido-di-phthalonitrile15US 5,262,514 AThe United States of America as represented by the Secretary of the Navy · 1993
- Preparation of polyimide from organic diisocyanate with alkali metal salt of alcohol as catalyst12US 4,001,186 AThe Upjohn Company · 1977
- Ambient cure polyimide foams prepared from aromatic polyisocyanates, aromatic polycarboxylic compounds, furfuryl alcohol, and a strong inorganic acid12US 4,184,021 A1980