C08L 1/14
Mixed esters
Official title: Mixed esters, e.g. cellulose acetate-butyrate
C08L1/14 (Mixed esters) appears on 302 US grants and 439 published applications in this corpus.
Search patents in C08L- Granted patents
- 302
- Published applications
- 439
- Assignees
- 121
- Inventors
- 668
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 5 |
| 2004 | 2 | 4 |
| 2005 | 3 | 10 |
| 2006 | 3 | 13 |
| 2007 | 6 | 12 |
| 2008 | 5 | 16 |
| 2009 | 8 | 33 |
| 2010 | 8 | 22 |
| 2011 | 10 | 23 |
| 2012 | 13 | 22 |
| 2013 | 14 | 29 |
| 2014 | 14 | 11 |
| 2015 | 20 | 7 |
| 2016 | 11 | 24 |
| 2017 | 17 | 6 |
| 2018 | 5 | 14 |
| 2019 | 16 | 44 |
| 2020 | 14 | 41 |
| 2021 | 26 | 15 |
| 2022 | 7 | 20 |
| 2023 | 19 | 21 |
| 2024 | 15 | 23 |
| 2025 | 11 | 14 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Regioselectively substituted cellulose ester based negative birefringent compensation films having improved wavelength dispersion11 Aug 2026US 12,703,774 B2Eastman Chemical Company
- Water-borne luster coating composition and coated plate12 May 2026US 12,624,230 B2Nippon Paint Automotive Coatings Co., Ltd.
- Biodegradable compositions and articles formed therefrom24 Mar 2026US 12,583,989 B2Eastman Chemical Company
- Cellulose ester polymer composition having low coefficient of friction10 Sep 2026US 2026/0265502 A1Lego A/S
- Amphiphilic cellulose derivatives, methods of making, and uses thereof27 Aug 2026US 2026/0250426 A1Purdue Research Foundation
- Method of manufacturing an aqueous dispersion18 Jun 2026US 2026/0167803 A1
- Yellow and magenta donor formulations for increased red vividness16 Apr 2026US 2026/0103599 A1Kodak Alaris Inc.
- Cellulose ester mineral particle compositions and methods of reducing the molecular weight the cellulose ester in the compositions thereof9 Apr 2026US 2026/0098103 A1Eastman Chemical Company
Most cited
By later US patents
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends177US 5,446,079 AEastman Chemical Company · 1995
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends161US 5,292,783 AEastman Kodak Company · 1994
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends154US 5,599,858 AEastman Chemical Company · 1997
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends129US 5,580,911 AEastman Chemical Company · 1996
- Aliphatic-aromatic copolyesters and cellulose ester/polymer blends118US 5,559,171 AEastman Chemical Company · 1996