C08G 63/6824
Derived from polycarboxylic acids and polyhydroxy compounds
Official title: {derived from polycarboxylic acids and polyhydroxy compounds}
C08G63/6824 (Derived from polycarboxylic acids and polyhydroxy compounds) appears on 253 US grants and 89 published applications in this corpus.
Search patents in C08G- Granted patents
- 253
- Published applications
- 89
- Assignees
- 122
- Inventors
- 451
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 16 | 0 |
| 1978 | 18 | 0 |
| 1979 | 14 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 8 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 16 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 2 |
| 2003 | 5 | 4 |
| 2004 | 2 | 9 |
| 2005 | 3 | 6 |
| 2006 | 4 | 6 |
| 2007 | 3 | 0 |
| 2008 | 1 | 5 |
| 2009 | 0 | 1 |
| 2010 | 3 | 4 |
| 2011 | 2 | 7 |
| 2012 | 5 | 0 |
| 2013 | 5 | 7 |
| 2014 | 5 | 4 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 3 | 3 |
| 2018 | 1 | 5 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 4 | 6 |
| 2022 | 3 | 5 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 4 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyester, polyesteramide, and polyamide compositions9 Jun 2026US 12,649,821 B2
- Polymer-particle light-cleavable carrier systems for photodynamic therapy22 Jul 2025US 12,364,759 B2Biolitec Research GmbH
- Porous bioresorbable radiopaque embolic microspheres for drug delivery17 Jun 2025US 12,329,876 B2REVA Medical, Inc.
- Radiation curable compositions29 Apr 2025US 12,286,509 B2Allnex Belgium S.A.
- Multi-block copolymer compositions29 Apr 2025US 12,286,531 B2REVA Medical, Inc.
- Aromatic polyester and method for producing same13 Nov 2025US 2025/0346709 A1Toyobo Co., Ltd.
- Porous bioresorbable radiopaque embolic microspheres for drug delivery18 Sep 2025US 2025/0288714 A1REVA Medical, Inc.
- Multi-block copolymer compositions7 Aug 2025US 2025/0250436 A1REVA Medical, Inc.
- Main chain polymer, optical film, method for producing main chain polymer, method for producing optical film, and multilayer film5 Jun 2025US 2025/0179243 A1Sagami Chemical Research Institute
- Base-catalyzed isomerization of muconic acid derivatives1 Aug 2024US 2024/0254283 A1
Most cited
By later US patents
- Radio-opaque polymer biomaterials182US 6,475,477 B1Rutgers, The State University · 2002
- Thermally stable, rigid dibasic acids137US 4,096,341 AE. I. Du Pont de Nemours and Company · 1978
- Polyesters of derivatives of hydroquinone and bis(carboxyphenyl)ether93US 3,991,014 AE. I. Du Pont de Nemours and Company · 1976
- Intumescent coating materials79US 4,144,385 ABritish Industrial Plastics Limited · 1979
- Radio-opaque polymeric biomaterials69US 6,852,308 B2Rutgers, The State University · 2005