C08L 77/04
Polyamides derived from alpha-amino carboxylic acids
Official title: Polyamides derived from alpha-amino carboxylic acids (C08L77/10 takes precedence)
C08L77/04 (Polyamides derived from alpha-amino carboxylic acids) appears on 124 US grants and 188 published applications in this corpus.
Search patents in C08L- Granted patents
- 124
- Published applications
- 188
- Assignees
- 136
- Inventors
- 491
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 5 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 6 |
| 2011 | 2 | 5 |
| 2012 | 3 | 6 |
| 2013 | 6 | 9 |
| 2014 | 5 | 5 |
| 2015 | 3 | 6 |
| 2016 | 3 | 11 |
| 2017 | 11 | 9 |
| 2018 | 11 | 17 |
| 2019 | 8 | 15 |
| 2020 | 7 | 9 |
| 2021 | 9 | 18 |
| 2022 | 11 | 11 |
| 2023 | 11 | 9 |
| 2024 | 5 | 12 |
| 2025 | 4 | 12 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bi-polymer thermoplastic26 May 2026US 12,637,566 B2
- Partially fluorinated resin, multilayer product, tube, and method for producing tube19 May 2026US 12,630,702 B2Daikin Industries, Ltd.
- Resin composition, resin molded article and method for producing same17 Mar 2026US 12,577,399 B2Mitsubishi Gas Chemical Company, Inc.
- Polylysine polymers with antimicrobial and/or anticancer activity17 Feb 2026US 12,552,933 B2Agency for Science, Technology and Research
- Amphiphilic poly (amino acid), block copolyer using the amphiphilic poly (amino acid), and complex including the amphiphilic poly (amino acid) or the block copolymer and nucleic acid16 Sep 2025US 12,415,891 B2The University of Tokyo
- Method and apparatus for producing polyglutamic acid filler17 Sep 2026US 2026/0273133 A1
- Amphiphilic poly(amino acid) linear block copolymers and nanoparticles thereof for drug delivery applications9 Jul 2026US 2026/0191797 A1Nanothera Biosciences, Inc.
- Super absorbent polymer materials9 Jul 2026US 2026/0193414 A1Planet Smart Ltd
- Gelling solutions for administration of compounds to the inner ear11 Jun 2026US 2026/0159687 A1Spiral Therapeutics Inc.
- Gelling solutions for administration of compounds to the inner ear4 Jun 2026US 2026/0152636 A1Spiral Therapeutics Inc.
Most cited
By later US patents
- Bioabsorbable tack for joining bodily tissue772US 5,246,441 ALinvatec Corporation · 1993
- Bioabsorbable tack for joining bodily tissue and in vivo method and apparatus for deploying same410US 5,129,906 ALinvatec Corporation · 1992
- Bioabsorbable tack for joining bodily tissue and apparatus for deploying same384US 5,203,784 ALinvatec Corporation · 1993
- Resorbable fixation device with controlled stiffness for treating bodily material in vivo and introducer therefor147US 5,236,431 ASynthes GmbH · 1993
- Biodegradable poly(β-amino esters) and uses thereof142US 7,427,394 B2Massachusetts Institute of Technology · 2008