C08B 11/22
Isolation
C08B11/22 (Isolation) appears on 13 US grants and 10 published applications in this corpus.
Search patents in C08B- Granted patents
- 13
- Published applications
- 10
- Assignees
- 10
- Inventors
- 49
- Latest grant
- 9 Mar 2021
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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing carboxymethyl cellulose or salt thereof, and binding agent for electrode9 Mar 2021US 10,941,218 B2Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Dissolution and processing of cellulose15 Jan 2019US 10,179,823 B2Convatec Technologies Inc.
- Process for recovering an esterified cellulose ether from a reaction product mixture7 Mar 2017US 9,587,037 B2Dow Global Technologies LLC
- Dissolution and processing of cellulose7 Jun 2016US 9,358,251 B2Convatec Technologies Inc.
- Process for producing cellulose derivatives of high bulk density, good flowability and improved dispersibility in cold water10 May 2016US 9,334,416 B2Dow Global Technologies LLC
- Method for producing cellulose ether27 Nov 2025US 2025/0361330 A1Shin-Etsu Chemical Co., Ltd.
- Method for producing carboxymethyl cellulose or salt thereof, and binding agent for electrode21 Feb 2019US 2019/0055323 A1Dai-Ichi Kogyo Seiyaku Co., Ltd.
- Dissolution and processing of cellulose1 Sep 2016US 2016/0251451 A1Convatec Technologies Inc.
- A process for recovering an esterified cellulose ether from a reaction product mixture4 Aug 2016US 2016/0222133 A1Dow Global Technologies LLC
- Silicon/germanium-based nanoparticle pastes with ultra low metal contamination26 Jun 2014US 2014/0179049 A1
Most cited
By later US patents
- Purification of aqueous reaction or washing medium containing cellulose ethers16US 5,482,634 AThe Dow Chemical Company · 1996
- Process for removing cellulose ethers from a cellulose ether suspension11US 4,954,268 A1990
- Process for producing methyl hydroxyalkyl cellulose ethers10US 5,360,902 AWolff Walsrode AG · 1994
- Dissolution and processing of cellulose7US 10,179,823 B2Convatec Technologies Inc. · 2019
- Process for preparing methylhydroxyalkylcellulose having a small number of coloured particles3US 8,197,699 B2Dow Global Technologies LLC · 2012