C08G 63/64
Polyesters containing both carboxylic ester groups and carbonate groups
C08G63/64 (Polyesters containing both carboxylic ester groups and carbonate groups) appears on 640 US grants and 398 published applications in this corpus.
Search patents in C08G- Granted patents
- 640
- Published applications
- 398
- Assignees
- 195
- Inventors
- 1,219
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 15 | 0 |
| 1982 | 14 | 0 |
| 1983 | 13 | 0 |
| 1984 | 20 | 0 |
| 1985 | 12 | 0 |
| 1986 | 19 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 12 | 0 |
| 1991 | 28 | 0 |
| 1992 | 15 | 0 |
| 1993 | 12 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 21 | 6 |
| 2002 | 15 | 11 |
| 2003 | 18 | 27 |
| 2004 | 20 | 23 |
| 2005 | 9 | 7 |
| 2006 | 16 | 14 |
| 2007 | 6 | 13 |
| 2008 | 8 | 10 |
| 2009 | 7 | 10 |
| 2010 | 18 | 11 |
| 2011 | 5 | 8 |
| 2012 | 7 | 9 |
| 2013 | 8 | 8 |
| 2014 | 6 | 20 |
| 2015 | 18 | 20 |
| 2016 | 17 | 13 |
| 2017 | 6 | 19 |
| 2018 | 14 | 19 |
| 2019 | 12 | 18 |
| 2020 | 18 | 21 |
| 2021 | 19 | 20 |
| 2022 | 13 | 19 |
| 2023 | 12 | 19 |
| 2024 | 13 | 20 |
| 2025 | 17 | 23 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric biomaterials derived from phenolic monomers and their medical uses7 Jul 2026US 12,674,024 B2Rutgers, The State University of New Jersey
- Immolative cell-penetrating complexes for nucleic acid delivery to the lung26 May 2026US 12,636,372 B2The Board of Trustees of the Leland Stanford Junior University
- Resin produced by polycondensation, and resin composition26 May 2026US 12,637,540 B2Mitsubishi Gas Chemical Company, Inc.
- Polycarbonate copolymer and method for preparing the same7 Apr 2026US 12,595,335 B2LG Chem.Ltd.
- Diaphragm for sound generating devices and preparation method thereof, and sound generating device31 Mar 2026US 12,593,188 B2Goertek Inc.
- Polyester carbonate resin composition, and optical lens and optical film using same24 Sep 2026US 2026/0286042 A1Mitsubishi Gas Chemical Company, Inc.
- Biodegradable composite material2 Jul 2026US 2026/0184918 A1Sogang University Research & Business Development Foundation
- Resin and Preparation Method Therefor11 Jun 2026US 2026/0159642 A1LG Chem.Ltd.
- Process for the production of a carbonate polyester (co)polymer11 Jun 2026US 2026/0159645 A1Avantium Knowledge Centre B.V.
- Polycarbonate composition, method for the manufacture thereof, and articles comprising the polycarbonate composition28 May 2026US 2026/0146128 A1Shpp Global Technologies B.V.
Most cited
By later US patents
- Elastomeric medical device1,893US 5,468,253 AEthicon, Inc. · 1995
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- 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
- Compliant tissue sealants370US 5,900,245 AFocal, Inc. · 1999