C08B 3/04
Cellulose formate
C08B3/04 (Cellulose formate) appears on 17 US grants and 22 published applications in this corpus.
Search patents in C08B- Granted patents
- 17
- Published applications
- 22
- Assignees
- 7
- Inventors
- 45
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 7 |
| 2014 | 2 | 1 |
| 2015 | 5 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cellulose-containing materials9 Jan 2024US 11,866,519 B2Wool Research Organisation of New Zealand, Inc.
- Biodegradable polyester5 Sep 2023US 11,746,174 B2Industrial Technology Research Institute
- Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom27 Mar 2018US 9,926,384 B2Eastman Chemical Company
- Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material12 Apr 2016US 9,309,385 B2Oji Holdings Corporation
- Cellulose interpolymers and method of oxidation26 Jan 2016US 9,243,072 B2Eastman Chemical Company
- Esterification method of cellulose and preparation method of cellulose formate filament material3 Jul 2025US 2025/0215618 A1
- Cellulose-containing materials26 Oct 2023US 2023/0340161 A1
- Cellulose-containing materials2 Sep 2021US 2021/0269554 A1Wool Research Organisation of New Zealand, Inc.
- Biodegradable polyester10 Jun 2021US 2021/0171692 A1Industrial Technology Research Institute
- Crystalline cellulose gel-based cryptands, surface active agents, emulsions and vesicles5 Jan 2017US 2017/0000903 A1University of Saskatchewan
Most cited
By later US patents
- Cellulose interpolymers and method of oxidation30US 7,879,994 B2Eastman Chemical Company · 2011
- Cellulose solutions comprising tetraalkylammonium alkylphosphate and products produced therefrom20US 8,067,488 B2Eastman Chemical Company · 2011
- Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs16US 6,022,614 AMichelin Recherche et Technique S.A. · 2000
- Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom14US 8,354,525 B2Eastman Chemical Company · 2013
- Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material7US 9,309,385 B2Oji Holdings Corporation · 2016