D01F 6/00
Monocomponent artificial filaments or the like of synthetic polymers
Official title: Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
D01F6/00 (Monocomponent artificial filaments or the like of synthetic polymers) appears on 5,783 US grants and 5,622 published applications in this corpus.
Search patents in D01F- Granted patents
- 5,783
- Published applications
- 5,622
- Assignees
- 1,995
- Inventors
- 12,934
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 82 | 0 |
| 1977 | 82 | 0 |
| 1978 | 82 | 0 |
| 1979 | 42 | 0 |
| 1980 | 60 | 0 |
| 1981 | 69 | 0 |
| 1982 | 53 | 0 |
| 1983 | 56 | 0 |
| 1984 | 54 | 0 |
| 1985 | 73 | 0 |
| 1986 | 47 | 0 |
| 1987 | 51 | 0 |
| 1988 | 49 | 0 |
| 1989 | 90 | 0 |
| 1990 | 92 | 0 |
| 1991 | 114 | 0 |
| 1992 | 137 | 0 |
| 1993 | 117 | 0 |
| 1994 | 120 | 0 |
| 1995 | 127 | 0 |
| 1996 | 138 | 0 |
| 1997 | 140 | 0 |
| 1998 | 137 | 0 |
| 1999 | 140 | 0 |
| 2000 | 132 | 0 |
| 2001 | 159 | 51 |
| 2002 | 130 | 126 |
| 2003 | 120 | 176 |
| 2004 | 135 | 184 |
| 2005 | 94 | 183 |
| 2006 | 85 | 168 |
| 2007 | 62 | 147 |
| 2008 | 61 | 154 |
| 2009 | 58 | 202 |
| 2010 | 99 | 250 |
| 2011 | 125 | 208 |
| 2012 | 109 | 197 |
| 2013 | 99 | 237 |
| 2014 | 128 | 216 |
| 2015 | 138 | 272 |
| 2016 | 145 | 235 |
| 2017 | 168 | 279 |
| 2018 | 171 | 284 |
| 2019 | 182 | 274 |
| 2020 | 197 | 315 |
| 2021 | 198 | 318 |
| 2022 | 144 | 269 |
| 2023 | 181 | 255 |
| 2024 | 218 | 278 |
| 2025 | 176 | 211 |
| 2026 | 117 | 133 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01F 6/58From homopolycondensation products2,526
- D01F 6/02From homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds1,620
- D01F 6/88From mixtures of polycondensation products as major constituent with other polymers or757
- D01F 6/78From copolycondensation products718
- D01F 6/44From mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds713
- D01F 6/28From copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds567
- D01F 6/96From other synthetic polymers52
Recent patents
- Polytetrafluoroethylene porous fiber and manufacturing and modifying process thereof6 Oct 2026US 12,753,532 B2Shandong University
- Method for preparing ultra-fine and uniform acrylamide-based polymer hydrogel filament and use thereof29 Sep 2026US 12,747,517 B2Beijing Taijieweiye Technology Co., Ltd
- Colored fiber, method for manufacturing colored fiber, and fiber product29 Sep 2026US 12,747,518 B2Kaneka Corporation
- Microporous polyethylene filaments29 Sep 2026US 12,747,519 B2W. L. Gore & Associates, Inc.
- Para-aramid staple fiber, aramid spun yarn and manufacturing method threof22 Sep 2026US 12,742,260 B2Kolon Industries, Inc.
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
- Roll-to-roll processing of hierarchically porous acrylic fibers through guided spinodal decomposition8 Oct 2026US 2026/0308812 A1
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
Most cited
By later US patents
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003
- Hydrophilic polypropylene fibers having antimicrobial activity1,367US 6,762,339 B13M Innovative Properties Company · 2004
- Composite prosthetic devices637US 10,010,395 B2Zeus Industrial Products, Inc. · 2018
- Method of forming an implantable device622US 9,352,071 B2Ethicon, Inc. · 2016
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004