C08G 69/26
Derived from polyamines and polycarboxylic acids
Official title: derived from polyamines and polycarboxylic acids
C08G69/26 (Derived from polyamines and polycarboxylic acids) appears on 2,169 US grants and 1,868 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,169
- Published applications
- 1,868
- Assignees
- 770
- Inventors
- 4,637
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 34 | 0 |
| 1978 | 26 | 0 |
| 1979 | 17 | 0 |
| 1980 | 34 | 0 |
| 1981 | 36 | 0 |
| 1982 | 12 | 0 |
| 1983 | 32 | 0 |
| 1984 | 32 | 0 |
| 1985 | 20 | 0 |
| 1986 | 31 | 0 |
| 1987 | 34 | 0 |
| 1988 | 50 | 0 |
| 1989 | 46 | 0 |
| 1990 | 62 | 0 |
| 1991 | 51 | 0 |
| 1992 | 55 | 0 |
| 1993 | 52 | 0 |
| 1994 | 66 | 0 |
| 1995 | 36 | 0 |
| 1996 | 50 | 0 |
| 1997 | 56 | 0 |
| 1998 | 45 | 0 |
| 1999 | 51 | 0 |
| 2000 | 33 | 0 |
| 2001 | 28 | 4 |
| 2002 | 23 | 28 |
| 2003 | 34 | 33 |
| 2004 | 33 | 40 |
| 2005 | 19 | 25 |
| 2006 | 18 | 22 |
| 2007 | 19 | 42 |
| 2008 | 6 | 29 |
| 2009 | 8 | 36 |
| 2010 | 24 | 72 |
| 2011 | 13 | 60 |
| 2012 | 29 | 75 |
| 2013 | 40 | 104 |
| 2014 | 77 | 83 |
| 2015 | 64 | 102 |
| 2016 | 66 | 123 |
| 2017 | 79 | 109 |
| 2018 | 67 | 110 |
| 2019 | 67 | 94 |
| 2020 | 105 | 114 |
| 2021 | 69 | 115 |
| 2022 | 61 | 109 |
| 2023 | 65 | 113 |
| 2024 | 59 | 99 |
| 2025 | 69 | 73 |
| 2026 | 35 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for preparing modified poly (m-phenylene isophthalamide) (PMIA) fiber by continuous polymerization-dry-wet spinning1 Sep 2026US 12,723,329 B2Zhuzhou Times New Material Technology Co., Ltd.
- 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
- Poly (melamine-co-oxalyl), methods of synthesizing and using same and articles treated with same18 Aug 2026US 12,709,661 B2State of Israel Prime Minister's Office Israel Institute for Biological Research
- Flame retardant polyamide11 Aug 2026US 12,703,772 B2BASF SE
- Contorted polyamide membranes and methods of use thereof8 Oct 2026US 2026/0307019 A1University of Houston System
- Integrated System and Process for Producing High Performance Polyamides from Circular Components8 Oct 2026US 2026/0308322 A1Celanese Polymers Holding, Inc.
- Polyamide block copolymer, polyamide block copolymer composition, and molded article8 Oct 2026US 2026/0308332 A1Kuraray Co., Ltd.
- High melt temperature soluble semi-crystalline polyamides1 Oct 2026US 2026/0297255 A1Syensqo Specialty Polymers USA, LLC
- Polyamides produced from used tires1 Oct 2026US 2026/0297256 A1
Most cited
By later US patents
- Interfacially synthesized reverse osmosis membrane312US 4,277,344 AFilmtec Corporation · 1981
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Polyesteramides with amino acid-derived groups alternating with alpha-hydroxyacid-derived groups and surgical articles made therefrom182US 5,914,387 AUnited States Surgical Corporation · 1999
- Novel poly(ester-amide) hot-melt adhesives155US 4,611,051 AUnion Camp Corporation · 1986
- Composition of matter, a phase change ink, and a method of reducing a coefficient of friction of a phase change ink formulation131US 6,174,937 B1Xerox Corporation · 2001