C08G 63/68
Polyesters containing atoms other than carbon, hydrogen and oxygen
Official title: Polyesters containing atoms other than carbon, hydrogen and oxygen (C08G63/64 takes precedence)
C08G63/68 (Polyesters containing atoms other than carbon, hydrogen and oxygen) appears on 2,480 US grants and 1,611 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,480
- Published applications
- 1,611
- Assignees
- 966
- Inventors
- 5,405
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 72 | 0 |
| 1977 | 75 | 0 |
| 1978 | 112 | 0 |
| 1979 | 71 | 0 |
| 1980 | 49 | 0 |
| 1981 | 67 | 0 |
| 1982 | 43 | 0 |
| 1983 | 43 | 0 |
| 1984 | 50 | 0 |
| 1985 | 42 | 0 |
| 1986 | 43 | 0 |
| 1987 | 32 | 0 |
| 1988 | 38 | 0 |
| 1989 | 53 | 0 |
| 1990 | 49 | 0 |
| 1991 | 56 | 0 |
| 1992 | 58 | 0 |
| 1993 | 59 | 0 |
| 1994 | 63 | 0 |
| 1995 | 51 | 0 |
| 1996 | 59 | 0 |
| 1997 | 56 | 0 |
| 1998 | 53 | 0 |
| 1999 | 30 | 0 |
| 2000 | 30 | 0 |
| 2001 | 39 | 9 |
| 2002 | 34 | 39 |
| 2003 | 45 | 52 |
| 2004 | 25 | 55 |
| 2005 | 29 | 55 |
| 2006 | 34 | 53 |
| 2007 | 30 | 48 |
| 2008 | 28 | 44 |
| 2009 | 23 | 47 |
| 2010 | 28 | 48 |
| 2011 | 27 | 47 |
| 2012 | 40 | 51 |
| 2013 | 48 | 80 |
| 2014 | 56 | 77 |
| 2015 | 69 | 61 |
| 2016 | 49 | 73 |
| 2017 | 54 | 68 |
| 2018 | 53 | 66 |
| 2019 | 51 | 85 |
| 2020 | 65 | 82 |
| 2021 | 58 | 80 |
| 2022 | 47 | 78 |
| 2023 | 48 | 98 |
| 2024 | 45 | 94 |
| 2025 | 58 | 69 |
| 2026 | 43 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Release coating compositions and articles therefrom6 Oct 2026US 12,753,325 B23M Innovative Properties Company
- EUV resist underlayer film-forming composition6 Oct 2026US 12,754,479 B2Nissan Chemical Corporation
- Polymer and composition from renewable source29 Sep 2026US 12,747,319 B2Åbo Akademi University
- Bioresorbable,stereochemically defined elastomers and methods of making and using same15 Sep 2026US 12,735,530 B2The University of Akron
- Bio-based plasticiser for resins and blends containing said plasticiser8 Sep 2026US 12,729,270 B2Teknologiselskabet af 2025 ApS
- Bioresorbable, stereochemically defined elastomers and methods of making and using same8 Oct 2026US 2026/0308315 A1Duke University
- Low residual momomer glycol aromatic polyester polyols24 Sep 2026US 2026/0286036 A1Stepan Company
- Fabric and home care composition comprising a polyester17 Sep 2026US 2026/0275244 A1The Procter & Gamble Company
- Cavity forming composition27 Aug 2026US 2026/0250517 A1Nissan Chemical Corporation
- Sulfur-containing heterocyclic compounds and thermoplastic resins20 Aug 2026US 2026/0242539 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Hydrogels of absorbable polyoxaesters containing amines or amido groups336US 5,700,583 AEthicon, Inc. · 1997
- Poly(alkylene oxide) amino acid copolymers and drug carriers and charged copolymers based thereon304US 5,219,564 AEnzon, Inc. · 1993
- Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide)299US 5,658,995 ARutgers, The State University · 1997
- Biodegradable, anionic polymers derived from the amino acid L-tyrosine283US 6,120,491 AThe State University of Rutgers · 2000