C08B 1/10
Apparatus for the preparation of alkali cellulose
C08B1/10 (Apparatus for the preparation of alkali cellulose) appears on 13 US grants and 12 published applications in this corpus.
Search patents in C08B- Granted patents
- 13
- Published applications
- 12
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 3 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for pretreating refined cotton and method of use of same16 Jun 2026US 12,655,232 B2Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Methods for preparing alkali cellulose and cellulose ether11 Apr 2017US 9,617,350 B2Shin-Etsu Chemical Co., Ltd.
- Methods for preparing alkali cellulose and cellulose ether4 Apr 2017US 9,611,333 B2Shin-Etsu Chemical Co., Ltd.
- Methods for preparing alkali cellulose and cellulose ether3 Jan 2017US 9,534,061 B2Shin-Etsu Chemical Co., Ltd.
- Methods for preparing alkali cellulose and cellulose ether21 Jun 2016US 9,371,398 B2Shin-Etsu Chemical Co., Ltd.
- Device for pretreating refined cotton and method of use of same13 Jun 2024US 2024/0191001 A1Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Methods for preparing alkali cellulose and cellulose ether23 Aug 2012US 2012/0214980 A1Shin-Etsu Chemical Co., Ltd.
- Process for Improved Production of Alkali Cellulose and Cellulose Derivatives16 Feb 2012US 2012/0041187 A1Dow Global Technologies LLC
- Method for producing cellulose ether derivative9 Dec 2010US 2010/0311964 A1Kao Corporation
- Methods for preparing alkali cellulose and water-soluble cellulose ether2 Jul 2009US 2009/0165972 A1Shin-Etzu Chemical Co., Ltd.
Most cited
By later US patents
- Process for producing alkaline treated cellulosic fibers10US 6,896,810 B2Rayonier Products and Financial Services Company · 2005
- Process and apparatus for making alkali cellulose in sheet form7US 4,163,840 AFiber Associates, Inc. · 1979
- Process and apparatus for making alkali cellulose in sheet form5US 4,269,973 AFiber Associates, Inc. · 1981
- Methods for preparing alkali cellulose and cellulose ether1US 8,853,388 B2Shin-Etsu Chemical Co., Ltd. · 2014
- Process for improved production of alkali cellulose and cellulose derivatives1US 8,993,747 B2Dow Global Technologies LLC · 2015