C08J 2367/03
The dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl
Official title: the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
C08J2367/03 (The dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl) appears on 182 US grants and 334 published applications in this corpus.
Search patents in C08J- Granted patents
- 182
- Published applications
- 334
- Assignees
- 170
- Inventors
- 786
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 2 | 9 |
| 2011 | 2 | 9 |
| 2012 | 2 | 18 |
| 2013 | 3 | 10 |
| 2014 | 9 | 13 |
| 2015 | 7 | 27 |
| 2016 | 7 | 13 |
| 2017 | 10 | 14 |
| 2018 | 13 | 4 |
| 2019 | 6 | 20 |
| 2020 | 13 | 22 |
| 2021 | 13 | 23 |
| 2022 | 12 | 27 |
| 2023 | 13 | 30 |
| 2024 | 13 | 41 |
| 2025 | 20 | 24 |
| 2026 | 14 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Process for the recovery of polymers from mixed plastic waste14 Jul 2026US 12,679,947 B1Mangalore Refinery & Petrochemical Ltd.
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- Method for manufacture of polyesters with recycle content20 Aug 2026US 2026/0242538 A1Eastman Chemical Company
- Microfiber and graphene reinforced polymer matrix composites and methods of preparation thereof20 Aug 2026US 2026/0242550 A1Rutgers, The State University of New Jersey
Most cited
By later US patents
- Aromatic polyester film having silicone resin layer and liquid crystal display panel made thereof59US 4,738,880 AKanegafuchi Kagaku Kogyo Kabushiki Kaisha · 1988
- Multiaxially oriented thermotropic polymer films and method of preparation36US 4,966,807 AFoster-Miller, Inc. · 1990
- Method for providing particulates of liquid crystal polymers and particulates produced therefrom28US 4,394,498 ACelanese Corporation · 1983
- Process for strengthening a shaped article of a polyester25US 4,247,514 AE. I. Du Pont de Nemours and Company · 1981
- Liquid crystalline polyester composition, method of producing the same and molded product manufactured from the same24US 8,778,222 B2Toray Industries, Inc. · 2014