C08G 73/14
Polyamide-imides
C08G73/14 (Polyamide-imides) appears on 702 US grants and 613 published applications in this corpus.
Search patents in C08G- Granted patents
- 702
- Published applications
- 613
- Assignees
- 301
- Inventors
- 1,498
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 12 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 18 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 8 | 0 |
| 1988 | 15 | 0 |
| 1989 | 13 | 0 |
| 1990 | 27 | 0 |
| 1991 | 13 | 0 |
| 1992 | 24 | 0 |
| 1993 | 20 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 12 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 6 |
| 2003 | 4 | 7 |
| 2004 | 4 | 3 |
| 2005 | 4 | 8 |
| 2006 | 3 | 3 |
| 2007 | 0 | 11 |
| 2008 | 3 | 5 |
| 2009 | 1 | 7 |
| 2010 | 9 | 18 |
| 2011 | 5 | 15 |
| 2012 | 12 | 27 |
| 2013 | 15 | 23 |
| 2014 | 9 | 28 |
| 2015 | 21 | 40 |
| 2016 | 26 | 31 |
| 2017 | 23 | 32 |
| 2018 | 15 | 51 |
| 2019 | 34 | 44 |
| 2020 | 34 | 54 |
| 2021 | 27 | 49 |
| 2022 | 36 | 40 |
| 2023 | 28 | 37 |
| 2024 | 33 | 26 |
| 2025 | 26 | 23 |
| 2026 | 12 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyamideimide film and window cover film including the same19 May 2026US 12,630,470 B2SK ie technology Co., Ltd.
- Optical film with improved optical properties, display apparatus comprising same, and manufacturing method therefor5 May 2026US 12,619,005 B2Kolon Industries, Inc.
- Polyamide-based film, method of preparing the same, and cover window and display device comprising the same21 Apr 2026US 12,606,674 B2Microworks Solutions Co., Ltd.
- Acid anhydride compound, and polyamideimide resin and film using the same7 Apr 2026US 12,595,268 B2Korea Advanced Institute of Science and Technology
- Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same24 Mar 2026US 12,583,974 B2Microworks Solutions Co., Ltd.
- Polyamide-imide-based film, preparation method thereof, and cover window and display device comprising the same8 Oct 2026US 2026/0308325 A1Microworks Solutions Co., Ltd.
- Laminate and manufacturing method of laminate1 Oct 2026US 2026/0305430 A1FUJIFILM Corporation
- Resin composition, cured product, laminate, method for producing cured product, method for producing laminate, method for producing semiconductor device, semiconductor device, and method for producing resin3 Sep 2026US 2026/0259494 A1FUJIFILM Corporation
- Polyamideimide and polyamideimide film27 Aug 2026US 2026/0250463 A1Resonac Corporation
- Thermosetting resin composition, cured product, and flexible printed board27 Aug 2026US 2026/0250500 A1Resonac Corporation
Most cited
By later US patents
- Negative birefringent polyimide films102US 5,344,916 AThe University of Akron · 1994
- Polyimides, a process for their preparation and their use90US 4,629,777 ACiba-Geigy Corporation · 1986
- Porous aromatic imide polymer membrane and a process for its manufacture66US 4,512,893 AUbe Industries, Ltd. · 1985
- Polyimides prepared from perfluoroisopropylidene diamine64US 4,111,906 ATRW Inc. · 1978
- Negative birefringent rigid rod polymer films64US 5,580,950 AThe University of Akron · 1996