D01F 11/00
Chemical after-treatment of artificial filaments or the like during manufacture
D01F11/00 (Chemical after-treatment of artificial filaments or the like during manufacture) appears on 957 US grants and 720 published applications in this corpus.
Search patents in D01F- Granted patents
- 957
- Published applications
- 720
- Assignees
- 584
- Inventors
- 2,476
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 15 | 0 |
| 1978 | 16 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 17 | 0 |
| 1986 | 15 | 0 |
| 1987 | 18 | 0 |
| 1988 | 14 | 0 |
| 1989 | 25 | 0 |
| 1990 | 36 | 0 |
| 1991 | 29 | 0 |
| 1992 | 32 | 0 |
| 1993 | 27 | 0 |
| 1994 | 41 | 0 |
| 1995 | 23 | 0 |
| 1996 | 36 | 0 |
| 1997 | 33 | 0 |
| 1998 | 22 | 0 |
| 1999 | 17 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 6 |
| 2002 | 9 | 22 |
| 2003 | 9 | 18 |
| 2004 | 9 | 13 |
| 2005 | 14 | 27 |
| 2006 | 8 | 24 |
| 2007 | 15 | 25 |
| 2008 | 9 | 25 |
| 2009 | 17 | 15 |
| 2010 | 13 | 20 |
| 2011 | 17 | 26 |
| 2012 | 13 | 25 |
| 2013 | 16 | 13 |
| 2014 | 12 | 30 |
| 2015 | 12 | 39 |
| 2016 | 23 | 28 |
| 2017 | 20 | 26 |
| 2018 | 28 | 49 |
| 2019 | 20 | 40 |
| 2020 | 25 | 52 |
| 2021 | 33 | 49 |
| 2022 | 23 | 28 |
| 2023 | 23 | 32 |
| 2024 | 34 | 36 |
| 2025 | 22 | 26 |
| 2026 | 17 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01F 11/10Chemical after-treatment of artificial filaments or the like during manufacture: of carbon649
- D01F 11/04Chemical after-treatment of artificial filaments or the like during manufacture: of synthetic194
- D01F 11/02Chemical after-treatment of artificial filaments or the like during manufacture: of cellulose72
Recent patents
- Polytetrafluoroethylene porous fiber and manufacturing and modifying process thereof6 Oct 2026US 12,753,532 B2Shandong University
- Carbon fiber bundle containing sizing agent and method for producing same15 Sep 2026US 12,735,813 B2Toray Industries, Inc.
- 2D nanomaterial fiber and method of fabricating the same21 Jul 2026US 12,686,955 B2Korea Advanced Institute of Science and Technology
- Hydration-responsive shape-memory keratin composite fibers and fabrication methods thereof14 Jul 2026US 12,678,336 B2City University of Hong Kong
- 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
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Composite carbon-fiber wire and method for manufacturing the same17 Sep 2026US 2026/0275585 A1Yi Shen Plastic Corp.
- Recyclable thread and textiles made thereof3 Sep 2026US 2026/0258582 A1J. & P. Coats Limited
- Cellulose acetate fibers in nonwoven fabrics20 Aug 2026US 2026/0242984 A1Eastman Chemical Company
- Carbon composite material20 Aug 2026US 2026/0245875 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Hydrophilic polypropylene fibers having antimicrobial activity1,367US 6,762,339 B13M Innovative Properties Company · 2004
- Carbide nanomaterials684US 6,190,634 B1President and Fellows of Harvard College · 2001
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Process for preparing carbon materials with diazonium salts and resultant carbon products257US 5,554,739 ACabot Corporation · 1996
- Filtration membranes, and related nano and/or micro fibers, composites, methods and systems254US 10,532,330 B2California Institute of Technology · 2020