C09K 23/48
Cellulose ethers
C09K23/48 (Cellulose ethers) appears on 3 US grants and 6 published applications in this corpus.
Search patents in C09K- Granted patents
- 3
- Published applications
- 6
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 11 Jul 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of depolymerised carboxylated celluloses for dispersing and grinding mineral materials11 Jul 2017US 9,700,863 B2Coatex
- Use of cellulose mixed ethers as additives for earth pressure shields15 Sep 1998US 5,808,052 AWolff Walsrode AG
- Water-soluble sulfoethyl cellulose ethers of very high solution quality and a process for their production11 Jan 1994US 5,278,304 ABayer Aktiengesellschaft
- Carbon nanotube dispersion liquid26 Jun 2025US 2025/0206616 A1Kabushiki Kaisha F.C.C.
- Water-soluble foaming agent for making bubble solution and method for preparing same3 Apr 2025US 2025/0109336 A1Taizhou Sunup Tech. Co., Ltd.
- Janus-type spherical cellulose nanoparticles19 Dec 2024US 2024/0417487 A1AUT Ventures Limited
- Emulsified dispersion liquid27 Feb 2020US 2020/0061563 A1BeRyu Co., Ltd.
- Foam formula and dispensing apparatus28 Dec 2017US 2017/0368564 A1
Most cited
By later US patents