C08G 73/1053
With oxygen only in the tetracarboxylic moiety
Official title: {with oxygen only in the tetracarboxylic moiety}
C08G73/1053 (With oxygen only in the tetracarboxylic moiety) appears on 316 US grants and 309 published applications in this corpus.
Search patents in C08G- Granted patents
- 316
- Published applications
- 309
- Assignees
- 152
- Inventors
- 898
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 4 |
| 2003 | 2 | 0 |
| 2004 | 0 | 5 |
| 2005 | 1 | 5 |
| 2006 | 4 | 2 |
| 2007 | 3 | 6 |
| 2008 | 1 | 3 |
| 2009 | 2 | 13 |
| 2010 | 3 | 6 |
| 2011 | 2 | 6 |
| 2012 | 7 | 4 |
| 2013 | 6 | 13 |
| 2014 | 8 | 17 |
| 2015 | 8 | 26 |
| 2016 | 13 | 10 |
| 2017 | 9 | 12 |
| 2018 | 8 | 29 |
| 2019 | 20 | 29 |
| 2020 | 26 | 22 |
| 2021 | 11 | 9 |
| 2022 | 7 | 28 |
| 2023 | 7 | 21 |
| 2024 | 5 | 21 |
| 2025 | 15 | 15 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photosensitive resin composition, photosensitive sheet, cured film, method for producing cured film, electronic component, antenna element, semiconductor package, and display device1 Sep 2026US 12,724,345 B2Toray Industries, Inc.
- Polyimide binder precursor composition, and power storage device using same14 Jul 2026US 12,683,167 B2Ube Corporation
- Polyimide film having high dimensional stability, and method for manufacturing same24 Mar 2026US 12,583,983 B2PI Advanced Materials Co., Ltd.
- Polyimide-based resin film, substrate for display device, and optical device using the same17 Mar 2026US 12,577,357 B2LG Chem.Ltd.
- Polyimide precursor, resin composition including, and polyimide formed from such precursor, and use of the polyimide10 Mar 2026US 12,570,852 B2Daxin Materials Corporation
- Curable resin composition for solder resist use18 Jun 2026US 2026/0166660 A1Shin-Etsu Chemical Co., Ltd.
- Heat-curable resin composition23 Apr 2026US 2026/0109860 A1Shin-Etsu Chemical Co., Ltd.
- Polyamic acid composition, polyimide, polyimide film, laminate, electronic device, method of producing polyimide, method of producing laminate, and method of producing electronic device8 Jan 2026US 2026/0008889 A1Kaneka Corporation
- Photosensitive Resin Composition, Method Of Manufacturing Pattern Cured Film, Cured Film, Interlayer Insulating Film, Cover Coat Layer, Surface Protective Film, And Electronic Component27 Nov 2025US 2025/0362601 A1Hd Microsystems, Ltd.
- Method for producing polyimide hollow particles and polyimide hollow particles23 Oct 2025US 2025/0325953 A1National University Corporation Kobe University
Most cited
By later US patents
- Novel polyetherimides143US 3,983,093 AGeneral Electric Company · 1976
- 4,4'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride)129US 3,972,902 AGeneral Electric Company · 1976
- Method for making polyetherimide88US 4,443,591 AGeneral Electric Company · 1984
- Process for making polyetherimides61US 4,417,044 AGeneral Electric Company · 1983
- Hydroxy terminated polyetherimide oligomers49US 4,611,048 AGeneral Electric Company · 1986