C08G 69/265
From at least two different diamines or at least two different dicarboxylic
Official title: {from at least two different diamines or at least two different dicarboxylic acids}
C08G69/265 (From at least two different diamines or at least two different dicarboxylic) appears on 683 US grants and 769 published applications in this corpus.
Search patents in C08G- Granted patents
- 683
- Published applications
- 769
- Assignees
- 253
- Inventors
- 1,572
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 6 |
| 2003 | 1 | 10 |
| 2004 | 8 | 14 |
| 2005 | 8 | 6 |
| 2006 | 8 | 7 |
| 2007 | 5 | 10 |
| 2008 | 1 | 9 |
| 2009 | 2 | 14 |
| 2010 | 4 | 34 |
| 2011 | 4 | 33 |
| 2012 | 8 | 35 |
| 2013 | 15 | 42 |
| 2014 | 22 | 32 |
| 2015 | 33 | 53 |
| 2016 | 30 | 66 |
| 2017 | 38 | 38 |
| 2018 | 28 | 46 |
| 2019 | 31 | 37 |
| 2020 | 44 | 49 |
| 2021 | 21 | 49 |
| 2022 | 30 | 44 |
| 2023 | 24 | 40 |
| 2024 | 27 | 45 |
| 2025 | 32 | 27 |
| 2026 | 17 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyamide compositions25 Aug 2026US 12,714,091 B2Celanese Polymers Holding, Inc.
- Copolyamide and polymer film containing at least one diamine, a dicarboxylic acid and 1,5-diamino-3-oxapentane25 Aug 2026US 12,715,963 B2BASF SE
- Polyamide composition and article made therefrom with improved mold shrinkage14 Jul 2026US 12,679,932 B2Sysensqo Specialty Polymers USA, LLC
- Mixed aromatic amine monomers and polymers thereof16 Jun 2026US 12,655,252 B2Exxon Mobil Technology and Engineering Company
- Thermoplastic composition for monolayer tube, air-conditioning circuit and method for preparing the composition16 Jun 2026US 12,655,291 B2Hutchinson
- Polyamide block copolymer, polyamide block copolymer composition, and molded article8 Oct 2026US 2026/0308332 A1Kuraray Co., Ltd.
- Copolyamide resin, and composition, molded article, film and monofilament containing same24 Sep 2026US 2026/0286050 A1Ube Corporation
- Isomerization of cyclohexenedicarboxylic acid and its derivatives17 Sep 2026US 2026/0274780 A1Iowa State University Research Foundation, Inc.
- Polyamide resin, resin composition, and molded article27 Aug 2026US 2026/0250460 A1Mitsubishi Gas Chemical Company, Inc.
- Polymer and a Product or Article Comprising or Consisting of the Polymer20 Aug 2026US 2026/0242540 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- Negative birefringent polyimide films102US 5,344,916 AThe University of Akron · 1994
- Polyamide blend composition having excellent gas barrier performance75US 7,427,430 B2Honeywell International Inc. · 2008
- Negative birefringent rigid rod polymer films64US 5,580,950 AThe University of Akron · 1996
- Crystalline polyamide composition from dicarboxylic acid mixture and diamine59US 4,603,166 AAmoco Corporation · 1986
- Imidyl compounds58US 4,107,174 ACiba-Geigy Corporation · 1978