C08L 1/22
Cellulose xanthate
C08L1/22 (Cellulose xanthate) appears on 25 US grants and 28 published applications in this corpus.
Search patents in C08L- Granted patents
- 25
- Published applications
- 28
- Assignees
- 29
- Inventors
- 110
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 4 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose17 Feb 2026US 12,553,185 B2Oji Holdings Corporation
- Non-painted thermoplastic resin composition comprising viscose rayon and capable of embodying marble pattern and molded article thereof7 Jan 2025US 12,187,889 B2Cepla Co., Ltd.
- Method of pulping cotton-based raw material26 Mar 2024US 11,939,405 B2Lenzing Aktiengesellschaft
- Fiber-reinforced resin composition24 May 2022US 11,338,475 B2Daicel Polymer Ltd.
- Resin composition containing cellulose xanthate fine fibers19 Oct 2021US 11,149,134 B2Rengo Co., Ltd.
- Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose9 Jul 2026US 2026/0193842 A1Oji Holdings Corporation
- Nanocellulose composition produced from a cotton-rich textile product and applications thereof11 Sep 2025US 2025/0282936 A1Harvest Nano Inc.
- Biocidal and photoluminescent treatment of viscose fibre immediately following the addition of carbon disulfide in the conversion of cellulose into viscose (xanthation)10 Jul 2025US 2025/0223728 A1Ancor TecnolóGica Canaria, S.L.
- Flame-retardant viscose and fabric19 Jun 2025US 2025/0197606 A1Hangzhou Anchuang Textile Co., Ltd.
- Additive-containing biopolymer compositions11 Jul 2024US 2024/0228771 A9Wacker Chemie AG
Most cited
By later US patents
- Rayon fibers containing starch11US 4,144,079 AAvtex Fibers Inc. · 1979
- Alloy rayon fibers of regenerated cellulose and copolymeric acrylic acid salts11US 4,399,255 AAvtex Fibers Inc. · 1983
- Cellulose ester/elastomer compositions11US 9,068,063 B2Eastman Chemical Company · 2015
- Regenerated cellulose containing cross linked sodium lignate or sodium lignosulfonate6US 4,215,212 AAkzona Incorporated · 1980
- Cross-linked cellulose sponge6US 5,690,996 ASepragen Corporation · 1997