D01F 11/04
Chemical after-treatment of artificial filaments or the like during manufacture: of synthetic
Official title: of synthetic polymers
D01F11/04 (Chemical after-treatment of artificial filaments or the like during manufacture: of synthetic) appears on 194 US grants and 212 published applications in this corpus.
Search patents in D01F- Granted patents
- 194
- Published applications
- 212
- Assignees
- 174
- Inventors
- 697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 13 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 6 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 6 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 4 | 9 |
| 2012 | 3 | 11 |
| 2013 | 4 | 5 |
| 2014 | 5 | 12 |
| 2015 | 2 | 15 |
| 2016 | 8 | 9 |
| 2017 | 7 | 5 |
| 2018 | 9 | 22 |
| 2019 | 6 | 8 |
| 2020 | 8 | 17 |
| 2021 | 14 | 14 |
| 2022 | 5 | 12 |
| 2023 | 11 | 7 |
| 2024 | 11 | 15 |
| 2025 | 7 | 12 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polytetrafluoroethylene porous fiber and manufacturing and modifying process thereof6 Oct 2026US 12,753,532 B2Shandong University
- Polymer-derived ceramic fibers and methods of preparing the same14 Apr 2026US 12,600,676 B2Kansas State University Research Foundation
- Separation membrane and manufacturing method therefor3 Mar 2026US 12,564,817 B2Toray Industries, Inc.
- Manufacturing method for carbon fiber25 Nov 2025US 12,480,231 B2Formosa Plastics Corporation
- Synthetic fiber first processing agent, synthetic fiber processing agent, aqueous solution preparation method, synthetic fiber processing method, synthetic fibers, short fibers, spun yard and non-woven fabric26 Aug 2025US 12,398,508 B2Takemoto Yushi Kabushiki Kaisha
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Method of manufacturing fabric for clothes and fabric for clothes30 Jul 2026US 2026/0216991 A1Seiko Epson Corporation
- Antimicrobial fiber and unwoven fabric using same25 Jun 2026US 2026/0176799 A1ES Indorama Ventures Co., Ltd.
- Method for preparing ionogel fiber based on halogenometallate ionic liquid2 Apr 2026US 2026/0092401 A1Soochow University
- Preparation of ultrafine polyimide nanofiber membrane at high voltage and use of membrane in high-temperature filtration2 Apr 2026US 2026/0092402 A1University of South China
Most cited
By later US patents
- Hydrophilic polypropylene fibers having antimicrobial activity1,367US 6,762,339 B13M Innovative Properties Company · 2004
- Filtration membranes, and related nano and/or micro fibers, composites, methods and systems254US 10,532,330 B2California Institute of Technology · 2020
- Process for preparation of molecularly oriented, silane-crosslinked ultra-high-molecular-weight polyethylene molded article56US 4,902,460 AMitsui Petrochemical Industries, Ltd. · 1990
- Reinforcing fibrous material56US 5,001,008 AMitsui Petrochemical Industries, Ltd. · 1991
- Microporous polyurethane hydrogels, method and composites with natural and other synthetic fibers or films55US 3,939,105 AUnion Carbide Corporation · 1976