C08L 1/08
Cellulose derivatives
C08L1/08 (Cellulose derivatives) appears on 1,799 US grants and 2,373 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,799
- Published applications
- 2,373
- Assignees
- 1,017
- Inventors
- 4,970
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 15 | 0 |
| 1978 | 25 | 0 |
| 1979 | 19 | 0 |
| 1980 | 12 | 0 |
| 1981 | 9 | 0 |
| 1982 | 16 | 0 |
| 1983 | 12 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 14 | 0 |
| 1996 | 34 | 0 |
| 1997 | 37 | 0 |
| 1998 | 41 | 0 |
| 1999 | 27 | 0 |
| 2000 | 22 | 0 |
| 2001 | 26 | 5 |
| 2002 | 13 | 28 |
| 2003 | 24 | 32 |
| 2004 | 17 | 36 |
| 2005 | 20 | 50 |
| 2006 | 18 | 51 |
| 2007 | 17 | 58 |
| 2008 | 17 | 64 |
| 2009 | 21 | 95 |
| 2010 | 35 | 83 |
| 2011 | 35 | 83 |
| 2012 | 39 | 96 |
| 2013 | 54 | 113 |
| 2014 | 63 | 100 |
| 2015 | 83 | 120 |
| 2016 | 82 | 109 |
| 2017 | 89 | 80 |
| 2018 | 61 | 120 |
| 2019 | 71 | 160 |
| 2020 | 87 | 149 |
| 2021 | 100 | 136 |
| 2022 | 84 | 152 |
| 2023 | 96 | 123 |
| 2024 | 87 | 135 |
| 2025 | 86 | 116 |
| 2026 | 39 | 79 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable compositions and articles made from cellulose acetate29 Sep 2026US 12,747,333 B2Eastman Chemical Company
- 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
- Resin beads, method for producing resin beads, and product using resin beads1 Sep 2026US 12,723,133 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Cellulose ester compositions derived from recycled Cellulose ester content syngas25 Aug 2026US 12,715,938 B2Eastman Chemical Company
- Method for producing dried solid, and dried solid8 Oct 2026US 2026/0308365 A1Yokogawa Electric Corporation
- High-strength agricultural foam10 Sep 2026US 2026/0265479 A1Brekland Incorporated
- Cellulose ester polymer composition having low coefficient of friction10 Sep 2026US 2026/0265502 A1Lego A/S
- High solids content carboxymethylcellulose solution3 Sep 2026US 2026/0258229 A1Nouryon Chemicals International B. V.
- Amphiphilic cellulose derivatives, methods of making, and uses thereof27 Aug 2026US 2026/0250426 A1Purdue Research Foundation
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
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends177US 5,446,079 AEastman Chemical Company · 1995
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996