C08J 2367/04
Polyesters derived from hydroxy carboxylic acids
Official title: Polyesters derived from hydroxy carboxylic acids, e.g. lactones (C08J2367/06 takes precedence)
C08J2367/04 (Polyesters derived from hydroxy carboxylic acids) appears on 1,031 US grants and 1,521 published applications in this corpus.
Search patents in C08J- Granted patents
- 1,031
- Published applications
- 1,521
- Assignees
- 712
- Inventors
- 3,250
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 6 | 0 |
| 1995 | 14 | 0 |
| 1996 | 19 | 0 |
| 1997 | 10 | 0 |
| 1998 | 24 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 17 | 3 |
| 2002 | 6 | 15 |
| 2003 | 12 | 14 |
| 2004 | 10 | 10 |
| 2005 | 9 | 21 |
| 2006 | 10 | 20 |
| 2007 | 11 | 32 |
| 2008 | 8 | 32 |
| 2009 | 11 | 48 |
| 2010 | 22 | 51 |
| 2011 | 26 | 65 |
| 2012 | 29 | 63 |
| 2013 | 44 | 65 |
| 2014 | 43 | 74 |
| 2015 | 41 | 83 |
| 2016 | 60 | 103 |
| 2017 | 51 | 66 |
| 2018 | 59 | 73 |
| 2019 | 51 | 62 |
| 2020 | 62 | 84 |
| 2021 | 49 | 85 |
| 2022 | 58 | 92 |
| 2023 | 43 | 95 |
| 2024 | 64 | 115 |
| 2025 | 58 | 75 |
| 2026 | 45 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Water soluble polymer blend compositions15 Sep 2026US 12,735,546 B2Interfacial Consultants LLC
- Rubber particles, composite particles and production methods thereof15 Sep 2026US 12,735,572 B2Shin-Etsu Chemical Co., Ltd.
- Bio-based polymer compositions and methods of making and using thereof8 Sep 2026US 12,729,302 B2Ohio State Innovation Foundation
- PLGA microparticles, a sustained release formulation thereof and a production method thereof25 Aug 2026US 12,714,673 B2M. Technique Co., Ltd.
- Pellet and production method therefor8 Oct 2026US 2026/0308310 A1Sumitomo Chemical Company, Limited
- Processes and systems for preparing cellular or viral membranes and nanoparticles8 Oct 2026US 2026/0308337 A1Arytha Biosciences, LLC
- Thermoplastic collagen compositions comprising polyesters8 Oct 2026US 2026/0308379 A1
- Recyclable, Biodegradable, and Industrially Compostable Extruded Foams, and Methods of Manufacturing the Same1 Oct 2026US 2026/0297279 A1O2 Partners, LLC
- Masterbatch of highly loaded amorphous pha dispersed in amorphous or semi-crystalline polymer and method of producing the same1 Oct 2026US 2026/0297323 A1Cj Cheiljedang Corporation
Most cited
By later US patents
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making789US 7,446,131 B1The United States of America as represented by the Secretary of Agriculture · 2008
- Biodegradable injectable nanoparticles724US 5,543,158 AMassachusetts Institute of Technology · 1996
- Hard tissue bone cements and substitutes355US 5,679,723 AEthicon, Inc. · 1997