C08J 2301/14
Mixed esters
C08J2301/14 (Mixed esters) appears on 81 US grants and 118 published applications in this corpus.
Search patents in C08J- Granted patents
- 81
- Published applications
- 118
- Assignees
- 35
- Inventors
- 205
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 13 |
| 2009 | 3 | 13 |
| 2010 | 4 | 10 |
| 2011 | 4 | 3 |
| 2012 | 9 | 14 |
| 2013 | 3 | 5 |
| 2014 | 6 | 1 |
| 2015 | 5 | 3 |
| 2016 | 4 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 5 |
| 2020 | 1 | 9 |
| 2021 | 2 | 5 |
| 2022 | 4 | 5 |
| 2023 | 6 | 10 |
| 2024 | 8 | 7 |
| 2025 | 2 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Regioselectively substituted cellulose ester based negative birefringent compensation films having improved wavelength dispersion11 Aug 2026US 12,703,774 B2Eastman Chemical Company
- Thermally expandable cellulose-based microspheres having low expansion temperatures16 Jun 2026US 12,655,263 B2Nouryon Chemicals International B. V.
- Degradation of superabsorbent polymer via oxidative degradation5 May 2026US 12,617,922 B2The Procter & Gamble Company
- Biodegradable compositions and articles formed therefrom24 Mar 2026US 12,583,989 B2Eastman Chemical Company
- Biopolymer film and method of preparing the same19 Aug 2025US 12,391,966 B2School of Biotechnology, Rajiv Gandhi Proudyogiki Vishwavidyalay
- Articles of Manufacture Comprising Nanocellulose Elements7 May 2026US 2026/0125518 A1Soane Materials LLC
- Biodegradable cellulose ester microparticles and systems and methods for the production thereof29 Jan 2026US 2026/0027033 A1Eastman Chemical Company
- Hydroxypropyl methylcellulose acetate succinate and method for producing hydroxypropyl methylcellulose acetate succinate27 Nov 2025US 2025/0361327 A1Shin-Etsu Chemical Co., Ltd.
- Regioselectively substituted cellulose ester based negative birefringent compensation films having improved wavelength dispersion24 Oct 2024US 2024/0352224 A1Eastman Chemical Company
- Polymer foam, methods and use related thereto10 Oct 2024US 2024/0336756 A1Woodly Oy
Most cited
By later US patents
- Enteric coating for pharmaceutical dosage forms123US 4,518,433 AFMC Corporation · 1985
- Cellulose acetate propionate96US 5,977,347 ADaicel Chemical Industries, Ltd. · 1999
- Method of making a cellulose acetate butyrate pellicle34US 4,861,402 ADu Pont Tau Laboratories, Inc. · 1989
- Cellulose acetate propionate, solution thereof and cellulose acetate propionate film25US 5,856,468 ADaicel Chemical Industries, Ltd. · 1999
- Cellulose ester optical films19US 8,729,253 B2Eastman Chemical Company · 2014