D01F 2/00
Monocomponent artificial filaments or the like of cellulose or cellulose derivatives
Official title: Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
D01F2/00 (Monocomponent artificial filaments or the like of cellulose or cellulose derivatives) appears on 945 US grants and 953 published applications in this corpus.
Search patents in D01F- Granted patents
- 945
- Published applications
- 953
- Assignees
- 467
- Inventors
- 2,194
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 14 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 32 | 0 |
| 1997 | 34 | 0 |
| 1998 | 30 | 0 |
| 1999 | 38 | 0 |
| 2000 | 31 | 0 |
| 2001 | 24 | 5 |
| 2002 | 18 | 25 |
| 2003 | 25 | 24 |
| 2004 | 25 | 17 |
| 2005 | 12 | 27 |
| 2006 | 17 | 19 |
| 2007 | 8 | 17 |
| 2008 | 7 | 29 |
| 2009 | 8 | 28 |
| 2010 | 13 | 27 |
| 2011 | 10 | 34 |
| 2012 | 19 | 35 |
| 2013 | 20 | 32 |
| 2014 | 16 | 50 |
| 2015 | 26 | 45 |
| 2016 | 27 | 53 |
| 2017 | 21 | 39 |
| 2018 | 33 | 42 |
| 2019 | 45 | 50 |
| 2020 | 27 | 74 |
| 2021 | 42 | 56 |
| 2022 | 34 | 50 |
| 2023 | 36 | 54 |
| 2024 | 44 | 43 |
| 2025 | 29 | 42 |
| 2026 | 19 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Super-tough cellulose aerogel fiber as well as preparation method and use thereof14 Jul 2026US 12,680,198 B2Suzhou Institute of Nano-Tech and Nano-Bionics (Sinano) , Chinese Academy of Sciences
- Methods for recycling cotton and polyester fibers from waste textiles16 Jun 2026US 12,655,268 B2Circ, LLC
- Hydrophobic cellulosic fiber16 Jun 2026US 12,655,543 B2Grasim Industries Limited
- Alginate-based fibers and uses thereof2 Jun 2026US 12,644,206 B2Fashion Institute of Technology
- Man-made cellulose fiber1 Oct 2026US 2026/0297813 A1Kelheim Fibres GmbH
- Lyocell material, cigarette filter, and respective manufacturing methods therefor10 Sep 2026US 2026/0262712 A1Kolon Industries, Inc.
- Cellulose acetate filaments having a cross-sectional shape with a specific surface area index20 Aug 2026US 2026/0240230 A1Acetate International LLC
- Cellulose acetate filaments having a cross-sectional shape with a specific surface area index20 Aug 2026US 2026/0240231 A1Acetate International LLC
- Durable and breathable textile fabric and process for manufacturing the same20 Aug 2026US 2026/0242983 A1UndrDog, LLC
Most cited
By later US patents
- Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article231US 4,416,698 AAkzona Incorporated · 1983
- Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent228US 4,246,221 AAkzona Incorporated · 1981
- Dissolution and processing of cellulose using ionic liquids152US 6,824,599 B2University of Alabama · 2004
- Lyocell fibers and process for their preparation138US 6,235,392 B1Weyerhaeuser Company · 2001
- Process for the manufacture of lyocell fibre135US 5,725,821 ACourtaulds Fibres (Holdings) Limited · 1998