C08G 18/4286
Prepared from a combination of hydroxycarboxylic acids and/or lactones with polycarboxylic acids
Official title: {prepared from a combination of hydroxycarboxylic acids and/or lactones with polycarboxylic acids or ester forming derivatives thereof and polyhydroxy compounds}
C08G18/4286 (Prepared from a combination of hydroxycarboxylic acids and/or lactones with polycarboxylic acids) appears on 86 US grants and 37 published applications in this corpus.
Search patents in C08G- Granted patents
- 86
- Published applications
- 37
- Assignees
- 46
- Inventors
- 216
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 11 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 4 | 4 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Biobased compositions17 Oct 2023US 11,787,918 B2Evoco Limited
- Crosslinking agent, preparation process and uses thereof, hydrogel and biodegradable cryogel comprising crosslinking agent3 Oct 2023US 11,773,205 B2National Taiwan University
- Biobased aqueous polyurethane dispersions20 Dec 2022US 11,530,332 B1Evoco Limited
- Polymer composition comprising an impact modifier and method of making the same19 Apr 2022US 11,306,175 B2Croda International PLC
- Azido-alkyne click and oxysilane hybrid compositions8 Mar 2022US 11,267,927 B2Covestro LLC
- A polyurethane foam composition comprising an aromatic polyester polyol compound and products made therefrom4 Jan 2024US 2024/0002578 A1Huntsman International LLC
- Aromatic polyester polyol compound4 Jan 2024US 2024/0002580 A1Huntsman International LLC
- Composition4 Jan 2024US 2024/0002715 A1LG Chem.Ltd.
- Biobased compositions18 Aug 2022US 2022/0259402 A1Evoco Limited
- Crosslinking agent, preparation process and uses thereof, hydrogel and biodegradable cryogel comprising crosslinking agent24 Feb 2022US 2022/0056192 A1National Taiwan University
Most cited
By later US patents
- Alternating (ABA)N polylactide block copolymers89US 5,202,413 AE. I. Du Pont de Nemours and Company · 1993
- Hydroxy-terminated polyhydroxyalkanoates77US 5,994,478 AMonsanto Company · 1999
- Biodegradable polymers, the preparation thereof, and the use thereof for producing biodegradable moldings70US 6,258,924 B1BASF SE · 2001
- Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldings57US 6,018,004 ABASF SE · 2000
- Hydroxy-terminated polyhydroxyalkanoates52US 6,156,852 AMonsanto Company · 2000