C08G 63/12
Derived from polycarboxylic acids and polyhydroxy compounds
Official title: derived from polycarboxylic acids and polyhydroxy compounds
C08G63/12 (Derived from polycarboxylic acids and polyhydroxy compounds) appears on 4,284 US grants and 4,226 published applications in this corpus.
Search patents in C08G- Granted patents
- 4,284
- Published applications
- 4,226
- Assignees
- 1,489
- Inventors
- 9,901
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 70 | 0 |
| 1978 | 132 | 0 |
| 1979 | 80 | 0 |
| 1980 | 75 | 0 |
| 1981 | 82 | 0 |
| 1982 | 62 | 0 |
| 1983 | 72 | 0 |
| 1984 | 58 | 0 |
| 1985 | 54 | 0 |
| 1986 | 41 | 0 |
| 1987 | 38 | 0 |
| 1988 | 35 | 0 |
| 1989 | 59 | 0 |
| 1990 | 71 | 0 |
| 1991 | 73 | 0 |
| 1992 | 75 | 0 |
| 1993 | 73 | 0 |
| 1994 | 76 | 0 |
| 1995 | 64 | 0 |
| 1996 | 66 | 0 |
| 1997 | 55 | 0 |
| 1998 | 68 | 0 |
| 1999 | 70 | 0 |
| 2000 | 72 | 0 |
| 2001 | 73 | 13 |
| 2002 | 81 | 60 |
| 2003 | 69 | 59 |
| 2004 | 50 | 95 |
| 2005 | 38 | 84 |
| 2006 | 62 | 130 |
| 2007 | 57 | 107 |
| 2008 | 43 | 83 |
| 2009 | 44 | 100 |
| 2010 | 60 | 105 |
| 2011 | 70 | 134 |
| 2012 | 63 | 118 |
| 2013 | 93 | 142 |
| 2014 | 105 | 137 |
| 2015 | 119 | 169 |
| 2016 | 125 | 164 |
| 2017 | 118 | 182 |
| 2018 | 108 | 190 |
| 2019 | 156 | 236 |
| 2020 | 158 | 262 |
| 2021 | 173 | 264 |
| 2022 | 136 | 276 |
| 2023 | 138 | 329 |
| 2024 | 174 | 314 |
| 2025 | 190 | 287 |
| 2026 | 111 | 186 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C08G 63/16Dicarboxylic acids and dihydroxy compounds3,119
- C08G 63/52Polycarboxylic acids or polyhydroxy compounds in which at least one of the721
- C08G 63/46Polyesters chemically modified by esterification358
- C08G 63/40Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds261
- C08G 63/123The acids or hydroxy compounds containing carbocyclic rings179
Recent patents
- 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
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Sep 2026US 12,748,356 B2FUJIFILM Business Innovation Corp.
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- 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
- Biodegradable resin composition8 Oct 2026US 2026/0308372 A1Mitsubishi Gas Chemical Company, Inc.
- Ethylenically unsaturated polyester resin composition8 Oct 2026US 2026/0308373 A1BASF SE
- Branched polyester composition for powder coatings8 Oct 2026US 2026/0308411 A1Arkema Quimica SAU (ES/ES)
Most cited
By later US patents
- Synthetic absorbable surgical devices of poly(alkylene oxalates)306US 4,205,399 AEthicon, Inc. · 1980
- Absorbable pharmaceutical compositions based on isomorphic copolyoxalates281US 4,130,639 AEthicon, Inc. · 1978
- Synthetic absorbable surgical devices of poly(alkylene oxalates)257US 4,140,678 AEthicon, Inc. · 1979
- Isomorphic copolyoxalates and sutures thereof232US 4,208,511 AEthicon, Inc. · 1980
- Bisphenol-A/terephthalate/carbonate melt processable copolymers200US 4,156,069 AAllied Chemical Corporation · 1979