C08B 1/06
Rendering cellulose suitable for etherification
Official title: Rendering cellulose suitable for etherification {(etherification per se C08B11/00)}
C08B1/06 (Rendering cellulose suitable for etherification) appears on 29 US grants and 44 published applications in this corpus.
Search patents in C08B- Granted patents
- 29
- Published applications
- 44
- Assignees
- 28
- Inventors
- 128
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 5 |
| 2014 | 4 | 8 |
| 2015 | 3 | 4 |
| 2016 | 7 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 2 |
| 2023 | 4 | 4 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cellulose derivatives12 Dec 2023US 11,840,585 B2Betulium Oy
- Nanomaterial of polyglycerol grafted cellulose nanocrystal dendrimer and preparation method thereof19 Sep 2023US 11,760,843 B2Jiangnan University
- High-viscosity lithium carboxymethyl cellulose and preparation method therefor and application thereof21 Mar 2023US 11,608,387 B2Chongqing Lihong Fine Chemicals Co., Ltd
- Carboxymethylated cellulose nanofibers28 Feb 2023US 11,591,412 B2Nippon Paper Industries Co., Ltd.
- Method for producing cellulose ether21 Jun 2022US 11,365,266 B2Shin-Etsu Chemical Co., Ltd.
- A production process for totally biodegradable biopolymer from jute23 Jul 2026US 2026/0209480 A1
- Hydroxyalkylalkyl cellulose for tableting and solid preparation comprising the same28 Sep 2023US 2023/0301920 A1Shin-Etsu Chemical Co., Ltd.
- Nanomaterial of polyglycerol grafted cellulose nanocrystal dendrimer and preparation method thereof20 Jul 2023US 2023/0227615 A1Jiangnan University
- Method for producing cationized cellulose and cationized cellulose19 Jan 2023US 2023/0014619 A1Kemira Oyj
- High-viscosity lithium carboxymethyl cellulose and preparation method therefor and application thereof5 Jan 2023US 2023/0002511 A1Chongqing Lihong Fine Chemicals Co., Ltd
Most cited
By later US patents
- Cellulose ethers and method of preparing the same121US 7,022,837 B2BKI Holding Corporation · 2006
- Process for activating polysaccharides, polysaccharides produced by this process, and use thereof54US 5,939,544 ARhodia Acetow GmbH · 1999
- Method of preparing polysaccharide ethers and apparatus15US 4,015,067 AThe Dow Chemical Company · 1977
- Method for reducing pulp to powder and process for the production of a cellulose ether11US 6,884,883 B1Shin-Etsu Chemical Co., Ltd. · 2005
- Process for the derivatization of cellulose10US 9,469,693 B2Re:Newcell Lux S.a.r.l · 2016