C08G 63/06
Derived from hydroxycarboxylic acids
Official title: derived from hydroxycarboxylic acids
C08G63/06 (Derived from hydroxycarboxylic acids) appears on 1,787 US grants and 2,098 published applications in this corpus.
Search patents in C08G- Granted patents
- 1,787
- Published applications
- 2,098
- Assignees
- 987
- Inventors
- 4,710
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 14 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 15 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 23 | 0 |
| 1988 | 20 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 24 | 0 |
| 1992 | 18 | 0 |
| 1993 | 41 | 0 |
| 1994 | 33 | 0 |
| 1995 | 35 | 0 |
| 1996 | 35 | 0 |
| 1997 | 22 | 0 |
| 1998 | 37 | 0 |
| 1999 | 29 | 0 |
| 2000 | 28 | 0 |
| 2001 | 35 | 10 |
| 2002 | 29 | 32 |
| 2003 | 37 | 49 |
| 2004 | 26 | 55 |
| 2005 | 20 | 39 |
| 2006 | 42 | 44 |
| 2007 | 26 | 40 |
| 2008 | 16 | 50 |
| 2009 | 20 | 57 |
| 2010 | 28 | 73 |
| 2011 | 31 | 78 |
| 2012 | 44 | 75 |
| 2013 | 59 | 86 |
| 2014 | 61 | 79 |
| 2015 | 64 | 116 |
| 2016 | 66 | 95 |
| 2017 | 68 | 81 |
| 2018 | 73 | 115 |
| 2019 | 79 | 85 |
| 2020 | 81 | 128 |
| 2021 | 87 | 120 |
| 2022 | 63 | 119 |
| 2023 | 67 | 120 |
| 2024 | 79 | 143 |
| 2025 | 59 | 116 |
| 2026 | 55 | 93 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic polyester and method for producing same6 Oct 2026US 12,753,274 B2Toyobo Co., Ltd.
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- Piezoelectric polylactic acid material and preparation method and application thereof22 Sep 2026US 12,742,038 B2Ningbo Michi Technology Co., Ltd.
- Method for manufacturing a PHA container25 Aug 2026US 12,715,170 B2Societe des Produits Nestle S. A.
- Modified ethylene-vinyl alcohol resin and production method therefor25 Aug 2026US 12,715,964 B2Mitsubishi Chemical Corporation
- Pellet and production method therefor8 Oct 2026US 2026/0308310 A1Sumitomo Chemical Company, Limited
- Process for preparing crystallized polylactide8 Oct 2026US 2026/0308311 A1Totalenergies Corbion BV
- Method for producing aliphatic polyester, aliphatic polyester resin, and aliphatic polyester resin composition8 Oct 2026US 2026/0308312 A1Teijin Limited
- Superabsorbent Polymers Based on Citric Acid Having Enhanced Biodegradability and Water Absorptivity1 Oct 2026US 2026/0295560 A1Covestro (Netherlands) B.V.
- Method for purifying a crystalline substance1 Oct 2026US 2026/0297051 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Elastomeric medical device1,893US 5,468,253 AEthicon, Inc. · 1995
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Poly(L-lactide-co-glycolide) copolymers, methods for making and using same, and devices containing same1,551US 6,747,121 B2Synthes USA, LLC · 2004
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005