C08G 63/18
The acids or hydroxy compounds containing carbocyclic rings
Official title: the acids or hydroxy compounds containing carbocyclic rings
C08G63/18 (The acids or hydroxy compounds containing carbocyclic rings) appears on 2,317 US grants and 2,764 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,317
- Published applications
- 2,764
- Assignees
- 886
- Inventors
- 5,814
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 26 | 0 |
| 1978 | 40 | 0 |
| 1979 | 27 | 0 |
| 1980 | 34 | 0 |
| 1981 | 29 | 0 |
| 1982 | 30 | 0 |
| 1983 | 33 | 0 |
| 1984 | 27 | 0 |
| 1985 | 22 | 0 |
| 1986 | 19 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 25 | 0 |
| 1990 | 37 | 0 |
| 1991 | 40 | 0 |
| 1992 | 40 | 0 |
| 1993 | 35 | 0 |
| 1994 | 31 | 0 |
| 1995 | 24 | 0 |
| 1996 | 24 | 0 |
| 1997 | 26 | 0 |
| 1998 | 38 | 0 |
| 1999 | 34 | 0 |
| 2000 | 37 | 0 |
| 2001 | 37 | 9 |
| 2002 | 45 | 38 |
| 2003 | 36 | 34 |
| 2004 | 30 | 53 |
| 2005 | 20 | 46 |
| 2006 | 40 | 101 |
| 2007 | 33 | 67 |
| 2008 | 28 | 39 |
| 2009 | 27 | 59 |
| 2010 | 43 | 60 |
| 2011 | 45 | 73 |
| 2012 | 29 | 52 |
| 2013 | 42 | 93 |
| 2014 | 53 | 74 |
| 2015 | 78 | 92 |
| 2016 | 66 | 85 |
| 2017 | 55 | 105 |
| 2018 | 61 | 120 |
| 2019 | 86 | 165 |
| 2020 | 92 | 186 |
| 2021 | 131 | 182 |
| 2022 | 92 | 195 |
| 2023 | 90 | 261 |
| 2024 | 125 | 221 |
| 2025 | 140 | 218 |
| 2026 | 78 | 136 |
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
- 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
- Acrylic polyester resin and an aqueous coating composition containing the same15 Sep 2026US 12,735,524 B2PPG Industries Ohio, Inc.
- Polyester resin15 Sep 2026US 12,735,529 B2TOYOBO MC Corporation
- Manufacturing method of polyethylene furandicarboxylate8 Oct 2026US 2026/0308316 A1Nan Ya Plastics Corporation
- Novel pet degrading enzyme and use thereof8 Oct 2026US 2026/0308546 A1Cj Cheiljedang Corporation
- Polyethylene terephthalate produced from used tires1 Oct 2026US 2026/0297247 A1
- Oriented polyester film and manufacturing method therefor1 Oct 2026US 2026/0297248 A1SK Chemicals Co., Ltd.
- Titanate compounds as catalysts in a method for producing polyester24 Sep 2026US 2026/0286045 A1Equipolymers GmbH
Most cited
By later US patents
- Absorbable pharmaceutical compositions based on isomorphic copolyoxalates281US 4,130,639 AEthicon, Inc. · 1978
- Isomorphic copolyoxalates and sutures thereof232US 4,208,511 AEthicon, Inc. · 1980
- Modified copolyesters and improved multilayer reflective films161US 6,352,761 B13M Innovative Properties Company · 2002
- Thermally stable, rigid dibasic acids137US 4,096,341 AE. I. Du Pont de Nemours and Company · 1978
- Process for preparing copolyesters of terephthalic acid ethylene glycol and 1 4-cyclohexanedimethanol exhibiting a neutral hue high clarity and increased brightness137US 5,681,918 AEastman Chemical Company · 1997