C08B 33/02
Esters
C08B33/02 (Esters) appears on 30 US grants and 30 published applications in this corpus.
Search patents in C08B- Granted patents
- 30
- Published applications
- 30
- Assignees
- 18
- Inventors
- 63
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 4 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 4 |
| 2017 | 2 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High amylose starch based capsules and method of making same15 Sep 2026US 12,734,497 B2V. Mane Fils
- Starch-derived clathrate-forming compositions16 Apr 2024US 11,959,114 B2
- Starch-derived clathrate-forming compositions23 May 2023US 11,655,491 B2
- Starch-derived clathrate-forming compositions10 May 2022US 11,326,195 B2
- Acylation process22 Jun 2021US 11,041,024 B2SOLVAY ACETOW GmbH
- Graft polymers, methods of making graft polymers, and uses thereof18 Sep 2025US 2025/0289920 A1
- Starch-derived clathrate-forming compositions21 Jul 2022US 2022/0228182 A1
- Starch-derived clathrate-forming compositions21 Jul 2022US 2022/0228183 A1
- High amylose starch based capsules and method of making same13 Jan 2022US 2022/0008885 A1V. Mane Fils
- Starch-derived clathrate-forming compositions17 Dec 2020US 2020/0392548 A1
Most cited
By later US patents
- Diester crosslinked polyglucan hydrogels and reticulated sponges thereof286US 4,002,173 AInternational Paper Company · 1977
- Articles including natural biodegradable polysaccharides and uses thereof31US 8,241,656 B2SurModics, Inc. · 2012
- Water-resistant starch materials for the production of cast sheets and thermoplastic materials29US 5,367,067 AEMS-Inventa AG · 1994
- Method of preparing biodegradable modified-starch moldable products and films15US 5,869,647 AEvercorn, Inc. · 1999
- Esterified starch composition13US 5,587,412 ANational Starch and Chemical Investment Holding Corporation · 1996