C08L 1/26
Cellulose ethers
C08L1/26 (Cellulose ethers) appears on 896 US grants and 1,112 published applications in this corpus.
Search patents in C08L- Granted patents
- 896
- Published applications
- 1,112
- Assignees
- 646
- Inventors
- 2,670
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 14 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 24 | 0 |
| 1997 | 25 | 0 |
| 1998 | 36 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 1 |
| 2002 | 4 | 18 |
| 2003 | 10 | 13 |
| 2004 | 6 | 21 |
| 2005 | 8 | 24 |
| 2006 | 8 | 27 |
| 2007 | 6 | 26 |
| 2008 | 7 | 29 |
| 2009 | 11 | 34 |
| 2010 | 14 | 32 |
| 2011 | 8 | 32 |
| 2012 | 18 | 43 |
| 2013 | 24 | 54 |
| 2014 | 30 | 55 |
| 2015 | 42 | 64 |
| 2016 | 44 | 53 |
| 2017 | 44 | 39 |
| 2018 | 37 | 63 |
| 2019 | 31 | 70 |
| 2020 | 45 | 69 |
| 2021 | 45 | 66 |
| 2022 | 47 | 74 |
| 2023 | 47 | 58 |
| 2024 | 40 | 53 |
| 2025 | 43 | 55 |
| 2026 | 17 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water based polyimide-powder coating composition and method for manufacturing composite separator for lithium secondary battery using same29 Sep 2026US 12,749,769 B2University Industry Foundation, Yonsei University Wonju Campus
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Marine-biodegradation accelerator11 Aug 2026US 12,703,793 B2Nisshinbo Holdings Inc.
- Ready-to-use esthetic compositions7 Jul 2026US 12,673,131 B2Galderma Holding SA
- Ampoule for implant storage having bi-directional humidity maintenance function2 Jun 2026US 12,642,635 B2Osstem Implant Co., Ltd.
- High-strength agricultural foam10 Sep 2026US 2026/0265479 A1Brekland Incorporated
- High solids content carboxymethylcellulose solution3 Sep 2026US 2026/0258229 A1Nouryon Chemicals International B. V.
- Modified carboxymethyl cellulose, their compositions and the uses thereof27 Aug 2026US 2026/0250428 A1ISP Investments Inc.
- Reactive gel material for sustained water-based reactions20 Aug 2026US 2026/0242632 A1
- Sealed gas materials prepared from bio-based raw materials6 Aug 2026US 2026/0226258 A1Aalto University Foundation sr
Most cited
By later US patents
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Sealing material for ostomy devices287US 4,231,369 AColoplast International A/S · 1980
- Hydrated hydroxyethyl cellulose compositions213US 4,496,468 ANL Industries, Inc. · 1985
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996