C08G 63/02
Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
C08G63/02 (Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds) appears on 6,511 US grants and 6,393 published applications in this corpus.
Search patents in C08G- Granted patents
- 6,511
- Published applications
- 6,393
- Assignees
- 2,176
- Inventors
- 14,249
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 69 | 0 |
| 1977 | 85 | 0 |
| 1978 | 150 | 0 |
| 1979 | 95 | 0 |
| 1980 | 90 | 0 |
| 1981 | 98 | 0 |
| 1982 | 85 | 0 |
| 1983 | 102 | 0 |
| 1984 | 87 | 0 |
| 1985 | 74 | 0 |
| 1986 | 59 | 0 |
| 1987 | 77 | 0 |
| 1988 | 77 | 0 |
| 1989 | 102 | 0 |
| 1990 | 110 | 0 |
| 1991 | 122 | 0 |
| 1992 | 126 | 0 |
| 1993 | 137 | 0 |
| 1994 | 132 | 0 |
| 1995 | 105 | 0 |
| 1996 | 111 | 0 |
| 1997 | 91 | 0 |
| 1998 | 115 | 0 |
| 1999 | 104 | 0 |
| 2000 | 116 | 0 |
| 2001 | 122 | 26 |
| 2002 | 119 | 97 |
| 2003 | 110 | 114 |
| 2004 | 82 | 162 |
| 2005 | 61 | 130 |
| 2006 | 114 | 180 |
| 2007 | 90 | 151 |
| 2008 | 63 | 140 |
| 2009 | 66 | 160 |
| 2010 | 93 | 181 |
| 2011 | 105 | 216 |
| 2012 | 108 | 204 |
| 2013 | 160 | 242 |
| 2014 | 175 | 220 |
| 2015 | 192 | 284 |
| 2016 | 189 | 260 |
| 2017 | 185 | 264 |
| 2018 | 178 | 299 |
| 2019 | 230 | 322 |
| 2020 | 232 | 376 |
| 2021 | 251 | 382 |
| 2022 | 198 | 402 |
| 2023 | 206 | 446 |
| 2024 | 247 | 456 |
| 2025 | 249 | 402 |
| 2026 | 167 | 277 |
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.
- Biodegradable polyester resin prepared by adding reaction rate control agent and molecular weight increasing agent derived from biomass and method for preparing same6 Oct 2026US 12,753,275 B2Bioplastics Innovations Limited
- Polycannabinoids for commodity polymers and commodity electronics6 Oct 2026US 12,753,318 B2University of Connecticut
- Release coating compositions and articles therefrom6 Oct 2026US 12,753,325 B23M Innovative Properties Company
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- 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
- Polyesters and a process for preparing these polyesters8 Oct 2026US 2026/0308313 A1Evonik Operations GmbH
- Manufacturing method of polyethylene furandicarboxylate8 Oct 2026US 2026/0308316 A1Nan Ya Plastics 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