C08L 77/00
Compositions of polyamides obtained by reactions forming a carboxylic amide link in
Official title: Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain (of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08); Compositions of derivatives of such polymers
C08L77/00 (Compositions of polyamides obtained by reactions forming a carboxylic amide link in) appears on 5,206 US grants and 5,352 published applications in this corpus.
Search patents in C08L- Granted patents
- 5,206
- Published applications
- 5,352
- Assignees
- 1,752
- Inventors
- 11,307
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 32 | 0 |
| 1978 | 61 | 0 |
| 1979 | 33 | 0 |
| 1980 | 19 | 0 |
| 1981 | 34 | 0 |
| 1982 | 34 | 0 |
| 1983 | 43 | 0 |
| 1984 | 45 | 0 |
| 1985 | 39 | 0 |
| 1986 | 53 | 0 |
| 1987 | 47 | 0 |
| 1988 | 70 | 0 |
| 1989 | 91 | 0 |
| 1990 | 74 | 0 |
| 1991 | 132 | 0 |
| 1992 | 145 | 0 |
| 1993 | 145 | 0 |
| 1994 | 133 | 0 |
| 1995 | 113 | 0 |
| 1996 | 103 | 0 |
| 1997 | 89 | 0 |
| 1998 | 101 | 0 |
| 1999 | 122 | 0 |
| 2000 | 94 | 0 |
| 2001 | 97 | 23 |
| 2002 | 99 | 115 |
| 2003 | 69 | 124 |
| 2004 | 89 | 168 |
| 2005 | 63 | 145 |
| 2006 | 84 | 160 |
| 2007 | 73 | 158 |
| 2008 | 45 | 164 |
| 2009 | 50 | 169 |
| 2010 | 82 | 228 |
| 2011 | 115 | 233 |
| 2012 | 110 | 245 |
| 2013 | 166 | 296 |
| 2014 | 166 | 264 |
| 2015 | 190 | 268 |
| 2016 | 157 | 300 |
| 2017 | 213 | 227 |
| 2018 | 199 | 251 |
| 2019 | 174 | 288 |
| 2020 | 207 | 277 |
| 2021 | 174 | 256 |
| 2022 | 159 | 279 |
| 2023 | 151 | 230 |
| 2024 | 153 | 221 |
| 2025 | 144 | 147 |
| 2026 | 90 | 116 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08L 77/06Polyamides derived from polyamines and polycarboxylic acids1,776
- C08L 77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof1,245
- C08L 77/12Polyester-amides407
- C08L 77/10Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids300
- C08L 77/04Polyamides derived from alpha-amino carboxylic acids124
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Most cited
By later US patents
- Plastic surgical staple1,925US 4,317,451 AEthicon, Inc. · 1982
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- Kink-free spiral-wound catheter385US 5,454,795 ATarget Therapeutics, Inc. · 1995
- Bioabsorbable tack for joining bodily tissue and apparatus for deploying same384US 5,203,784 ALinvatec Corporation · 1993