C08G 63/16
Dicarboxylic acids and dihydroxy compounds
C08G63/16 (Dicarboxylic acids and dihydroxy compounds) appears on 3,119 US grants and 3,403 published applications in this corpus.
Search patents in C08G- Granted patents
- 3,119
- Published applications
- 3,403
- Assignees
- 1,127
- Inventors
- 7,595
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 39 | 0 |
| 1978 | 66 | 0 |
| 1979 | 50 | 0 |
| 1980 | 50 | 0 |
| 1981 | 45 | 0 |
| 1982 | 38 | 0 |
| 1983 | 41 | 0 |
| 1984 | 35 | 0 |
| 1985 | 29 | 0 |
| 1986 | 26 | 0 |
| 1987 | 21 | 0 |
| 1988 | 16 | 0 |
| 1989 | 36 | 0 |
| 1990 | 51 | 0 |
| 1991 | 58 | 0 |
| 1992 | 51 | 0 |
| 1993 | 51 | 0 |
| 1994 | 63 | 0 |
| 1995 | 43 | 0 |
| 1996 | 47 | 0 |
| 1997 | 42 | 0 |
| 1998 | 51 | 0 |
| 1999 | 55 | 0 |
| 2000 | 54 | 0 |
| 2001 | 56 | 13 |
| 2002 | 59 | 50 |
| 2003 | 53 | 49 |
| 2004 | 42 | 77 |
| 2005 | 26 | 64 |
| 2006 | 51 | 114 |
| 2007 | 45 | 92 |
| 2008 | 37 | 64 |
| 2009 | 35 | 82 |
| 2010 | 51 | 83 |
| 2011 | 59 | 105 |
| 2012 | 46 | 77 |
| 2013 | 68 | 114 |
| 2014 | 75 | 97 |
| 2015 | 96 | 119 |
| 2016 | 90 | 115 |
| 2017 | 78 | 134 |
| 2018 | 74 | 146 |
| 2019 | 107 | 192 |
| 2020 | 118 | 217 |
| 2021 | 152 | 209 |
| 2022 | 107 | 227 |
| 2023 | 114 | 295 |
| 2024 | 145 | 255 |
| 2025 | 157 | 246 |
| 2026 | 96 | 167 |
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
- Release coating compositions and articles therefrom6 Oct 2026US 12,753,325 B23M Innovative Properties Company
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Method for preparing glutaryl-bridged bis-biogenic guanidine chelate and method for preparing polybutylene succinate22 Sep 2026US 12,742,039 B2Polytex Chemical Engineering Co., Ltd.
- 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
- 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.
- Branched polyester composition for powder coatings8 Oct 2026US 2026/0308411 A1Arkema Quimica SAU (ES/ES)
- Novel pet degrading enzyme and use thereof8 Oct 2026US 2026/0308546 A1Cj Cheiljedang Corporation
- 1,6-hexanediol composition and polymer1 Oct 2026US 2026/0297002 A1DIC Corporation
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