C08G 73/1007
From tetracarboxylic acids or derivatives and diamines
Official title: {from tetracarboxylic acids or derivatives and diamines}
C08G73/1007 (From tetracarboxylic acids or derivatives and diamines) appears on 1,252 US grants and 1,140 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,252
- Published applications
- 1,140
- Assignees
- 474
- Inventors
- 2,743
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 16 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 20 | 0 |
| 1982 | 20 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 28 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 10 | 0 |
| 1989 | 19 | 0 |
| 1990 | 29 | 0 |
| 1991 | 34 | 0 |
| 1992 | 44 | 0 |
| 1993 | 39 | 0 |
| 1994 | 42 | 0 |
| 1995 | 40 | 0 |
| 1996 | 24 | 0 |
| 1997 | 21 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 2 |
| 2002 | 19 | 14 |
| 2003 | 14 | 19 |
| 2004 | 10 | 15 |
| 2005 | 12 | 16 |
| 2006 | 15 | 18 |
| 2007 | 7 | 23 |
| 2008 | 8 | 32 |
| 2009 | 9 | 26 |
| 2010 | 12 | 36 |
| 2011 | 13 | 14 |
| 2012 | 19 | 20 |
| 2013 | 19 | 25 |
| 2014 | 18 | 31 |
| 2015 | 22 | 24 |
| 2016 | 23 | 44 |
| 2017 | 32 | 43 |
| 2018 | 28 | 61 |
| 2019 | 41 | 82 |
| 2020 | 58 | 97 |
| 2021 | 45 | 92 |
| 2022 | 53 | 125 |
| 2023 | 51 | 80 |
| 2024 | 68 | 87 |
| 2025 | 59 | 75 |
| 2026 | 30 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water based polyimide-powder coating composition and method for manufacturing composite separator for lithium secondary battery using same29 Sep 2026US 12,749,769 B2University Industry Foundation, Yonsei University Wonju Campus
- Method for manufacturing polyimide film with reduced gloss22 Sep 2026US 12,742,046 B2Taimide Technology Incorporation
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom15 Sep 2026US 12,735,534 B2The United States of America as represented by the Secretary of the Air Force
- Porous film with low dielectric property and manufacturing method thereof8 Sep 2026US 12,729,273 B2Kyungpook National University Industry-Academic Cooperation Foundation
- UV-curable resin compositions suitable for redistribution layers25 Aug 2026US 12,717,232 B2Designer Molecules, Inc.
- Polyimides and processes of making and using same8 Oct 2026US 2026/0308324 A1Government of the United States as Represented by the Secretary of the Air Force
- Polyimides: compositions, methods of making, and parts made therefrom1 Oct 2026US 2026/0297260 A1Dupont Specialty Products USA, LLC
- Photosensitive composition, transfer film, method for manufacturing laminate, laminate, and semiconductor package27 Aug 2026US 2026/0256003 A1FUJIFILM Corporation
- Polyimide resin precursor, polyimide resin, and polyimide film20 Aug 2026US 2026/0242541 A1Mitsubishi Gas Chemical Company, Inc.
- Polyimide film, and preparation method and use thereof20 Aug 2026US 2026/0242555 A1PetroChina Company Limited
Most cited
By later US patents
- Aerogel metallic compositions1,501US 7,071,287 B2Aspen Aerogels, Inc. · 2006
- Polyimide curing process and improved thermal ink jet printhead prepared thereby126US 5,869,595 AXerox Corporation · 1999
- Adhesive layer in multi-level packaging and organic material as a metal diffusion barrier112US 5,582,858 AInternational Business Machines Corporation · 1996
- Method for making polyetherimide88US 4,443,591 AGeneral Electric Company · 1984
- Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same86US 7,074,880 B2Aspen Aerogels, Inc. · 2006