C09J 167/04
Polyesters derived from hydroxycarboxylic acids
Official title: Polyesters derived from hydroxycarboxylic acids, e.g. lactones (C09J167/06 takes precedence)
C09J167/04 (Polyesters derived from hydroxycarboxylic acids) appears on 147 US grants and 160 published applications in this corpus.
Search patents in C09J- Granted patents
- 147
- Published applications
- 160
- Assignees
- 105
- Inventors
- 402
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 0 | 2 |
| 2010 | 3 | 3 |
| 2011 | 4 | 5 |
| 2012 | 2 | 9 |
| 2013 | 5 | 7 |
| 2014 | 7 | 6 |
| 2015 | 5 | 13 |
| 2016 | 8 | 9 |
| 2017 | 11 | 14 |
| 2018 | 8 | 8 |
| 2019 | 11 | 5 |
| 2020 | 11 | 9 |
| 2021 | 1 | 12 |
| 2022 | 1 | 3 |
| 2023 | 5 | 12 |
| 2024 | 8 | 8 |
| 2025 | 7 | 12 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aromatic polyester and method for producing same6 Oct 2026US 12,753,274 B2Toyobo Co., Ltd.
- Biodegradable polyester solution and use thereof10 Mar 2026US 12,570,790 B2Kaneka Corporation
- Compostable hot melt adhesive10 Feb 2026US 12,545,821 B2Bostik SA
- Poly(3-hydroxyacid) polymers from long-chain epoxides and their uses related to hot melt adhesives7 Oct 2025US 12,435,180 B2Bostik SA
- Adhesive composition and method for preparing same23 Sep 2025US 12,421,432 B2Korea Advanced Institute of Science and Technology
- Adhesive agent for resin, and laminate10 Sep 2026US 2026/0265595 A1Nihon Parkerizing Co., Ltd.
- Method for manufacturing biodegradable hot melt adhesive27 Aug 2026US 2026/0250565 A1Tex Year Industries Inc.
- Composition for hot melt adhesive, and method for producing layered product6 Aug 2026US 2026/0226327 A1Kaneka Corporation
- Adhesive resin composition26 Mar 2026US 2026/0085184 A1Kuraray Co., Ltd.
- Heat-sealable adhesive composition and uses thereof19 Mar 2026US 2026/0078282 A1
Most cited
By later US patents
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Blends of polyactic acid312US 5,216,050 ABioPak Technology, Ltd. · 1993
- Degradable polymer composition271US 5,502,158 AEcopol, LLC · 1996
- Degradable polymer composition231US 5,834,582 AChronopol, Inc. · 1998
- Degradation control of environmentally degradable disposable materials223US 6,323,307 B1Cargill Dow Polymers, LLC · 2001