C08J 2301/26
Cellulose ethers
C08J2301/26 (Cellulose ethers) appears on 149 US grants and 250 published applications in this corpus.
Search patents in C08J- Granted patents
- 149
- Published applications
- 250
- Assignees
- 152
- Inventors
- 609
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 6 |
| 2009 | 1 | 2 |
| 2010 | 1 | 6 |
| 2011 | 1 | 8 |
| 2012 | 3 | 11 |
| 2013 | 4 | 9 |
| 2014 | 3 | 11 |
| 2015 | 9 | 13 |
| 2016 | 10 | 14 |
| 2017 | 4 | 13 |
| 2018 | 10 | 18 |
| 2019 | 6 | 16 |
| 2020 | 16 | 18 |
| 2021 | 6 | 14 |
| 2022 | 7 | 14 |
| 2023 | 7 | 16 |
| 2024 | 14 | 19 |
| 2025 | 13 | 15 |
| 2026 | 4 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable polymeric compositions, methods of preparation and uses thereof12 May 2026US 12,624,173 B2B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Cellulose molded body and hydrogel, and method for producing the same28 Apr 2026US 12,612,493 B2Japan Agency for Marine-Earth Science and Technology
- Soft goods formed from a fiber liquid slurry having surface features, and methods for making the same24 Mar 2026US 12,583,981 B2Simplifyber, Inc.
- Natural packaging composition13 Jan 2026US 12,522,717 B2Method Products, PBC
- Binder composition23 Dec 2025US 12,502,879 B2Rockwool A/S
- High-strength agricultural foam10 Sep 2026US 2026/0265479 A1Brekland Incorporated
- High solids content carboxymethylcellulose solution3 Sep 2026US 2026/0258229 A1Nouryon Chemicals International B. V.
- Liquid plastisol compositions and water soluble plasticized articles prepared therefrom30 Jul 2026US 2026/0217921 A1Avient Corporation
- A production process for totally biodegradable biopolymer from jute23 Jul 2026US 2026/0209480 A1
- Marine biodegradable polymer particle groups and production method for same23 Jul 2026US 2026/0209481 A1Nisshinbo Holdings Inc.
Most cited
By later US patents
- Contact lens with a hydrophilic, polyelectrolyte complex coating and method for forming same124US 4,168,112 APolymer Technology Corporation · 1979
- Ionic ophthalmic solutions118US 4,321,261 APolymer Technology Corporation · 1982
- Grinding process for high viscosity cellulose ethers52US 4,820,813 AThe Dow Chemical Company · 1989
- Disposable degradable recyclable plastic articles and synthetic resin blends for making the same42US 5,367,003 A1994
- Microporous fast response gels and methods of use34US 6,030,442 AUniversity of Cincinnati · 2000