C08G 63/66
Polyesters containing oxygen in the form of ether groups
Official title: Polyesters containing oxygen in the form of ether groups (C08G63/42, C08G63/58 take precedence)
C08G63/66 (Polyesters containing oxygen in the form of ether groups) appears on 2,075 US grants and 1,917 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,075
- Published applications
- 1,917
- Assignees
- 921
- Inventors
- 5,198
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 26 | 0 |
| 1978 | 51 | 0 |
| 1979 | 23 | 0 |
| 1980 | 33 | 0 |
| 1981 | 56 | 0 |
| 1982 | 33 | 0 |
| 1983 | 30 | 0 |
| 1984 | 31 | 0 |
| 1985 | 34 | 0 |
| 1986 | 24 | 0 |
| 1987 | 36 | 0 |
| 1988 | 24 | 0 |
| 1989 | 25 | 0 |
| 1990 | 29 | 0 |
| 1991 | 32 | 0 |
| 1992 | 35 | 0 |
| 1993 | 29 | 0 |
| 1994 | 26 | 0 |
| 1995 | 35 | 0 |
| 1996 | 51 | 0 |
| 1997 | 47 | 0 |
| 1998 | 46 | 0 |
| 1999 | 44 | 0 |
| 2000 | 42 | 0 |
| 2001 | 47 | 17 |
| 2002 | 43 | 39 |
| 2003 | 44 | 36 |
| 2004 | 27 | 51 |
| 2005 | 25 | 43 |
| 2006 | 29 | 39 |
| 2007 | 24 | 55 |
| 2008 | 10 | 35 |
| 2009 | 16 | 40 |
| 2010 | 23 | 47 |
| 2011 | 20 | 69 |
| 2012 | 38 | 54 |
| 2013 | 50 | 96 |
| 2014 | 53 | 59 |
| 2015 | 62 | 76 |
| 2016 | 64 | 69 |
| 2017 | 53 | 86 |
| 2018 | 52 | 59 |
| 2019 | 61 | 110 |
| 2020 | 60 | 103 |
| 2021 | 59 | 115 |
| 2022 | 59 | 128 |
| 2023 | 62 | 149 |
| 2024 | 86 | 154 |
| 2025 | 86 | 106 |
| 2026 | 60 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polyester copolymer having excellent strength, and product comprising the same6 Oct 2026US 12,753,276 B2SK Chemicals Co., Ltd.
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- Bio-based plasticiser for resins and blends containing said plasticiser8 Sep 2026US 12,729,270 B2Teknologiselskabet af 2025 ApS
- Polyesters1 Sep 2026US 12,723,131 B2The Procter & Gamble Company
- Copolyetherester1 Sep 2026US 12,723,153 B2Celanese Polymers Holding, Inc.
- Thermoplastic polyester elastomer resin and preparation method therefor8 Oct 2026US 2026/0308314 A1SK Chemicals Co., Ltd.
- Branched polyester composition for powder coatings8 Oct 2026US 2026/0308411 A1Arkema Quimica SAU (ES/ES)
- Oriented polyester film and manufacturing method therefor1 Oct 2026US 2026/0297248 A1SK Chemicals Co., Ltd.
- Electrophotographic photoreceptor, process cartridge, and image forming apparatus1 Oct 2026US 2026/0299445 A1KYOCERA Document Solutions Inc.
- Unsaturated polymer electrolytes, and methods for producing and using same in electrochemical applications1 Oct 2026US 2026/0302332 A1Hydro-Quebec
Most cited
By later US patents
- Elastomeric medical device1,893US 5,468,253 AEthicon, Inc. · 1995
- Elastomeric medical device1,455US 5,713,920 AEthicon, Inc. · 1998
- Injectable liquid copolymers for soft tissue repair and augmentation1,373US 5,824,333 AEthicon, Inc. · 1998
- Biodegradable injectable nanoparticles724US 5,543,158 AMassachusetts Institute of Technology · 1996
- Hydrogels of absorbable polyoxaesters413US 5,698,213 AEthicon, Inc. · 1997