C08L 77/06
Polyamides derived from polyamines and polycarboxylic acids
Official title: Polyamides derived from polyamines and polycarboxylic acids (C08L77/10 takes precedence)
C08L77/06 (Polyamides derived from polyamines and polycarboxylic acids) appears on 1,776 US grants and 2,631 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,776
- Published applications
- 2,631
- Assignees
- 756
- Inventors
- 4,490
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 17 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 23 | 0 |
| 1998 | 22 | 0 |
| 1999 | 35 | 0 |
| 2000 | 32 | 0 |
| 2001 | 28 | 8 |
| 2002 | 35 | 56 |
| 2003 | 29 | 61 |
| 2004 | 37 | 81 |
| 2005 | 30 | 52 |
| 2006 | 37 | 66 |
| 2007 | 27 | 79 |
| 2008 | 18 | 52 |
| 2009 | 18 | 57 |
| 2010 | 31 | 100 |
| 2011 | 45 | 103 |
| 2012 | 45 | 117 |
| 2013 | 75 | 161 |
| 2014 | 68 | 142 |
| 2015 | 95 | 155 |
| 2016 | 78 | 187 |
| 2017 | 118 | 130 |
| 2018 | 101 | 121 |
| 2019 | 97 | 136 |
| 2020 | 101 | 130 |
| 2021 | 85 | 145 |
| 2022 | 82 | 138 |
| 2023 | 71 | 126 |
| 2024 | 81 | 108 |
| 2025 | 72 | 67 |
| 2026 | 39 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyamide resin composition6 Oct 2026US 12,753,308 B2Ube Corporation
- Gas-barrier polyamide film29 Sep 2026US 12,747,351 B2Toyobo Co., Ltd.
- Polyamide compositions25 Aug 2026US 12,714,091 B2Celanese Polymers Holding, Inc.
- Flame retardant polyamide11 Aug 2026US 12,703,772 B2BASF SE
- Polyamide composition comprising a flame retardant polyester and method for preparing it28 Jul 2026US 12,692,390 B2PolyTechnyl, SAS
- Composite material and lens module1 Oct 2026US 2026/0297298 A1Industrial Technology Research Institute
- Polyamide composition and polar graphene1 Oct 2026US 2026/0297326 A1Arkema France
- Multilayer tubular structure having better resistance to extraction in biofuel and use thereof3 Sep 2026US 2026/0258888 A1Arkema France
- Polyamide resin, resin composition, and molded article27 Aug 2026US 2026/0250460 A1Mitsubishi Gas Chemical Company, Inc.
- Nylon 66 fibers and woven/knit article27 Aug 2026US 2026/0250887 A1Toray Industries, Inc.
Most cited
By later US patents
- Rubber toughened thermoplastic resin nano composites124US 6,060,549 AExxon Chemical Patents Inc. · 2000
- Composite reinforcing material and molding material117US 10,421,863 B2Graphene Platform Corporation · 2019
- Composite reinforcing material and method of producing a composite reinforcing material117US 9,862,833 B2Graphene Platform Corporation · 2018
- Composite reinforcing material and molding material117US 9,862,834 B2Graphene Platform Corporation · 2018
- Method for curing polymers containing one or more carboxy or anhydride functions and compositions108US 4,076,917 ARohm and Haas Company · 1978