C08J 2301/32
Cellulose ether-esters
C08J2301/32 (Cellulose ether-esters) appears on 9 US grants and 13 published applications in this corpus.
Search patents in C08J- Granted patents
- 9
- Published applications
- 13
- Assignees
- 10
- Inventors
- 51
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Esterase and methods of use, thereof30 Jun 2026US 12,668,786 B2Danisco US Inc.
- Regioselectively substituted cellulose ester based C+ compensation films with improved wavelength dispersion18 Mar 2025US 12,252,603 B2Eastman Chemical Company
- Polymer material, film, circular polarizing plate, image display apparatus, and manufacturing method for film1 Dec 2020US 10,851,180 B2Kaneka Corporation
- Composition for hot melt extrusion and method for producing hot melt extrudate by using same12 May 2020US 10,646,573 B2Shin-Etsu Chemical Co., Ltd.
- Process for producing dispersion of esterified cellulose ether22 Oct 2019US 10,450,424 B2Dow Global Technologies LLC
- Esterase and methods of use, thereof17 Sep 2026US 2026/0275309 A1Danisco US Inc.
- Esterase and methods of use, thereof16 Nov 2023US 2023/0365947 A1Danisco US Inc.
- Regioselectively substituted cellulose ester based c+ compensation films with improved wavelength dispersion4 May 2023US 2023/0138841 A1Eastman Chemical Company
- Degradable hemostatic sponge and preparation method and use thereof, and degradable drug-loaded hemostatic sponge29 Sep 2022US 2022/0305169 A1Hangzhou Vitex Medical Device Co., Ltd
- Polymer material, film, circular polarizing plate, image display apparatus, and manufacturing method for film4 Oct 2018US 2018/0282438 A1Kaneka Corporation
Most cited
By later US patents
- Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle2US 6,893,493 B2Samsung Fine Chemicals Co., Ltd. · 2005
- Composition for hot-melt extrusion and method for producing hot-melt extrusion product using same1US 10,016,508 B2Shin-Etsu Chemical Co., Ltd. · 2018
- Regioselectively substituted cellulose ester based C+ compensation films with improved wavelength dispersion1US 12,252,603 B2Eastman Chemical Company · 2025