C08G 63/916
Dicarboxylic acids and dihydroxy compounds
Official title: {Dicarboxylic acids and dihydroxy compounds}
C08G63/916 (Dicarboxylic acids and dihydroxy compounds) appears on 460 US grants and 609 published applications in this corpus.
Search patents in C08G- Granted patents
- 460
- Published applications
- 609
- Assignees
- 362
- Inventors
- 1,637
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 17 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 13 | 9 |
| 2003 | 11 | 8 |
| 2004 | 9 | 12 |
| 2005 | 8 | 17 |
| 2006 | 8 | 11 |
| 2007 | 5 | 15 |
| 2008 | 2 | 6 |
| 2009 | 2 | 16 |
| 2010 | 6 | 18 |
| 2011 | 11 | 14 |
| 2012 | 5 | 22 |
| 2013 | 14 | 40 |
| 2014 | 17 | 21 |
| 2015 | 26 | 22 |
| 2016 | 15 | 46 |
| 2017 | 30 | 31 |
| 2018 | 25 | 25 |
| 2019 | 22 | 26 |
| 2020 | 18 | 32 |
| 2021 | 19 | 32 |
| 2022 | 22 | 32 |
| 2023 | 16 | 38 |
| 2024 | 21 | 45 |
| 2025 | 17 | 39 |
| 2026 | 21 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Resin mixture, method of producing resin mixture, stretch blow molded product, and method of producing stretch blow molded product22 Sep 2026US 12,742,040 B2Canon Kabushiki Kaisha
- Battery, positive electrode plate, positive electrode slurry, and dispersant and preparation method thereof11 Aug 2026US 12,706,310 B2Contemporary Amperex Technology (Hong Kong) Limited
- Ester compound and resin composition7 Jul 2026US 12,674,019 B2Ajinomoto Co., Inc.
- Hydroxyl-terminated polyester resin, preparation method therefor and use thereof7 Jul 2026US 12,674,023 B2Kinte Materials Science and Technology Co., Ltd.
- Biodegradable composition and biodegradable film24 Sep 2026US 2026/0286046 A1LG Chem.Ltd.
- Biodegradable composition and biodegradable film24 Sep 2026US 2026/0286047 A1LG Chem.Ltd.
- Flame retardant copolyester compositions17 Sep 2026US 2026/0275101 A1Eastman Chemical Company
- Multivalent polyester based polyurethane acrylate or methacrylate oligomers formulated with different reactive diluents13 Aug 2026US 2026/0232541 A1Align Technology, Inc.
- Crosslinked polyester resin having disulfide bond30 Jul 2026US 2026/0217909 A1Toyobo Co., Ltd.
Most cited
By later US patents
- Aminoxyl-containing radical spin labeling in polymers and copolymers186US 5,516,881 ACornell Research Foundation, Inc. · 1996
- Toner processes180US 6,756,176 B2Xerox Corporation · 2004
- Increasing the molecular weight of polyesters59US 6,265,533 B1Ciba Specialty Chemicals Corporation · 2001
- Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same58US 6,395,341 B1Orient Chemical Industries, Ltd. · 2002
- Ester-modified dicarboxylate polymers58US 6,737,481 B1E. I. Du Pont de Nemours and Company · 2004