C08G 63/6852
Derived from hydroxy carboxylic acids
Official title: {derived from hydroxy carboxylic acids}
C08G63/6852 (Derived from hydroxy carboxylic acids) appears on 209 US grants and 241 published applications in this corpus.
Search patents in C08G- Granted patents
- 209
- Published applications
- 241
- Assignees
- 172
- Inventors
- 670
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 2 |
| 2002 | 3 | 3 |
| 2003 | 9 | 4 |
| 2004 | 1 | 4 |
| 2005 | 3 | 4 |
| 2006 | 2 | 8 |
| 2007 | 3 | 9 |
| 2008 | 5 | 6 |
| 2009 | 5 | 7 |
| 2010 | 3 | 4 |
| 2011 | 3 | 5 |
| 2012 | 10 | 7 |
| 2013 | 7 | 14 |
| 2014 | 5 | 9 |
| 2015 | 8 | 12 |
| 2016 | 8 | 11 |
| 2017 | 7 | 11 |
| 2018 | 8 | 10 |
| 2019 | 9 | 18 |
| 2020 | 12 | 12 |
| 2021 | 5 | 11 |
| 2022 | 8 | 14 |
| 2023 | 10 | 15 |
| 2024 | 6 | 22 |
| 2025 | 8 | 12 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- Lignin based biodegradable polymers and methods of making the same9 Jun 2026US 12,649,823 B2The Florida State University Research Foundation, Inc.
- Dielectric composition, dielectric film, and capacitor21 Apr 2026US 12,609,245 B2Panasonic Intellectual Property Management Co., Ltd.
- Acid functional compound10 Mar 2026US 12,570,797 B2BYK-Chemie GmbH
- Nitric oxide-sensitive hydrogel3 Mar 2026US 12,564,598 B2Postech Research and Business Development Foundation
- Liquid crystal polyester, film, and metal-clad laminate20 Aug 2026US 2026/0242664 A1Kaneka Corporation
- A bioactive poly(lactic-co-glycolic acid) (plga) material, related printed structure and related methods thereof6 Aug 2026US 2026/0224610 A1Agency for Science, Technology and Research
- Copolymer and preparation method of copolymer30 Jul 2026US 2026/0217899 A1LG Chem.Ltd.
- Polypropiolactones and methods of preparation using ionic liquids30 Apr 2026US 2026/0117021 A1Novomer, Inc.
- Polypropiolactones and methods of preparation12 Mar 2026US 2026/0071024 A1Novomer, Inc.
Most cited
By later US patents
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Reactive graft polymer with biodegradable polymer backbone and method for preparing reactive biodegradable polymers210US 5,610,241 ACornell Research Foundation, Inc. · 1997
- Removing endotoxin with an oxdizing agent from polyhydroxyalkanoates produced by fermentation210US 6,245,537 B1Metabolix, Inc. · 2001
- Polyhydroxyalkanoate compositions having controlled degradation rates146US 6,610,764 B1Metabolix, Inc. · 2003
- Polyhydroxyalkanoate compositions having controlled degradation rates140US 6,828,357 B1Metabolix, Inc. · 2004