C08G 18/6438
Polyimides or polyesterimides
Official title: {Polyimides or polyesterimides}
C08G18/6438 (Polyimides or polyesterimides) appears on 47 US grants and 22 published applications in this corpus.
Search patents in C08G- Granted patents
- 47
- Published applications
- 22
- Assignees
- 37
- Inventors
- 107
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 2 |
| 2018 | 1 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a new sound-absorbing and noise-reducing material by using polyimide foam scraps2 Jun 2026US 12,643,986 B2
- 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.
- Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device29 Aug 2023US 11,739,183 B2Samsung Electronics Co., Ltd.
- Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device11 Aug 2020US 10,738,164 B2Samsun SDI Co., Ltd.
- Dispersants with multiple aromatic imide anchor groups15 Oct 2019US 10,442,884 B2Lubrizol Advanced Materials, Inc.
- Imide-containing polyols, methods for making imide-containing polyols and methods for using imide-containing polyols9 Apr 2026US 2026/0098120 A1Dow Global Technologies LLC
- Resin composition, polyimide preparation method and related products10 Oct 2024US 2024/0336738 A1AAC Technologies (Nanjing) Co., Ltd.
- Poly(amide-imide) copolymer, method of manufacturing the same, poly(amide-imide) copolymer film, window for display device, and display device9 Nov 2023US 2023/0357505 A1Samsung Electronics Co., Ltd.
- Method for manufacturing a new sound-absorbing and noise-reducing material by using polyimide foam scraps17 Aug 2023US 2023/0257545 A1
- Moisture-sensed shrinking ink26 May 2022US 2022/0162459 A1Taiwan Textile Research Institute
Most cited
By later US patents
- Chain-extending amine end-capped polyimides44US 4,058,505 AUniversity of Notre Dame du Lac · 1977
- Chain-extending nitrile end-capped polyimides28US 4,060,515 AUniversity of Notre Dame du Lac · 1977
- Novel copolyamideimides, prepolymers therefor and method for their preparation24US 4,728,697 AGeneral Electric Company · 1988
- Porous cross-linked polyimide-urea networks22US 8,974,903 B2Ohio Aerospace Institute · 2015
- Chain-extending phenolic end-capped polyimides21US 4,026,871 AUniversity of Notre Dame · 1977