C08G 63/52
Polycarboxylic acids or polyhydroxy compounds in which at least one of the
Official title: Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
C08G63/52 (Polycarboxylic acids or polyhydroxy compounds in which at least one of the) appears on 721 US grants and 496 published applications in this corpus.
Search patents in C08G- Granted patents
- 721
- Published applications
- 496
- Assignees
- 399
- Inventors
- 1,852
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 11 | 0 |
| 1978 | 45 | 0 |
| 1979 | 16 | 0 |
| 1980 | 18 | 0 |
| 1981 | 26 | 0 |
| 1982 | 18 | 0 |
| 1983 | 19 | 0 |
| 1984 | 14 | 0 |
| 1985 | 15 | 0 |
| 1986 | 10 | 0 |
| 1987 | 9 | 0 |
| 1988 | 18 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 15 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 1 |
| 2002 | 17 | 5 |
| 2003 | 11 | 7 |
| 2004 | 7 | 16 |
| 2005 | 8 | 8 |
| 2006 | 7 | 8 |
| 2007 | 8 | 10 |
| 2008 | 3 | 15 |
| 2009 | 4 | 15 |
| 2010 | 7 | 11 |
| 2011 | 6 | 12 |
| 2012 | 8 | 19 |
| 2013 | 18 | 17 |
| 2014 | 18 | 18 |
| 2015 | 14 | 30 |
| 2016 | 20 | 28 |
| 2017 | 16 | 30 |
| 2018 | 19 | 20 |
| 2019 | 32 | 28 |
| 2020 | 23 | 28 |
| 2021 | 19 | 27 |
| 2022 | 11 | 31 |
| 2023 | 14 | 21 |
| 2024 | 20 | 42 |
| 2025 | 23 | 30 |
| 2026 | 8 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus29 Sep 2026US 12,748,356 B2FUJIFILM Business Innovation Corp.
- Polyester resin composition, aqueous dispersion, coating composition, and coating film26 May 2026US 12,637,539 B2TOYOBO MC Corporation
- Glycidyl esters of α, α branched acids from renewable sources and formulations thereof28 Apr 2026US 12,612,489 B2Hexion Inc.
- Ethylenically unsaturated polyester resin composition8 Oct 2026US 2026/0308373 A1BASF SE
- Rubber composition comprising a fatty acid ester as plasticizer20 Aug 2026US 2026/0242568 A1Compagnie Generale Des Etablissements Michelin
- Use of a coating composition and method of coating a can13 Aug 2026US 2026/0233896 A1PPG Industries Ohio, Inc.
- Polyesters with long-chain dicarboxylic acids30 Jul 2026US 2026/0217906 A1Novamont S. p. A.
- Bio-based and compostable elastomeric materials, methods of manufacture and articles and uses thereof30 Jul 2026US 2026/0217907 A1Bioastra Technologies, Inc.
Most cited
By later US patents
- Polyester process189US 6,063,827 AXerox Corporation · 2000
- Dicyclopentadiene polyester resins118US 4,233,432 AUnited States Steel Corporation · 1980
- Dicyclopentadiene polyester resins108US 4,246,367 AUnited States Steel Corporation · 1981
- Process for preparing glass fiber mats103US 4,054,713 AKao Soap Co., Ltd. · 1977
- Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom102US 4,749,773 AEastman Kodak Company · 1988