D01F 6/02
From homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
Official title: from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
D01F6/02 (From homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,620 US grants and 1,655 published applications in this corpus.
Search patents in D01F- Granted patents
- 1,620
- Published applications
- 1,655
- Assignees
- 787
- Inventors
- 4,046
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 12 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 24 | 0 |
| 1982 | 14 | 0 |
| 1983 | 12 | 0 |
| 1984 | 25 | 0 |
| 1985 | 22 | 0 |
| 1986 | 17 | 0 |
| 1987 | 20 | 0 |
| 1988 | 8 | 0 |
| 1989 | 28 | 0 |
| 1990 | 24 | 0 |
| 1991 | 37 | 0 |
| 1992 | 29 | 0 |
| 1993 | 32 | 0 |
| 1994 | 31 | 0 |
| 1995 | 34 | 0 |
| 1996 | 33 | 0 |
| 1997 | 33 | 0 |
| 1998 | 39 | 0 |
| 1999 | 33 | 0 |
| 2000 | 40 | 0 |
| 2001 | 39 | 13 |
| 2002 | 23 | 30 |
| 2003 | 23 | 44 |
| 2004 | 35 | 52 |
| 2005 | 31 | 47 |
| 2006 | 25 | 46 |
| 2007 | 23 | 48 |
| 2008 | 14 | 32 |
| 2009 | 16 | 51 |
| 2010 | 20 | 65 |
| 2011 | 37 | 46 |
| 2012 | 22 | 50 |
| 2013 | 19 | 72 |
| 2014 | 34 | 71 |
| 2015 | 40 | 102 |
| 2016 | 43 | 80 |
| 2017 | 55 | 83 |
| 2018 | 49 | 94 |
| 2019 | 49 | 83 |
| 2020 | 61 | 97 |
| 2021 | 69 | 93 |
| 2022 | 46 | 80 |
| 2023 | 61 | 74 |
| 2024 | 75 | 96 |
| 2025 | 64 | 62 |
| 2026 | 38 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01F 6/04From polyolefins880
- D01F 6/18From polymers of unsaturated nitriles305
- D01F 6/08From polymers of halogenated hydrocarbons222
- D01F 6/14From polymers of unsaturated alcohols128
- D01F 6/16From polymers of unsaturated carboxylic acids or unsaturated organic esters57
- D01F 6/20From polymers of cyclic compounds with one carbon-to-carbon double bond in the55
- D01F 6/26From other polymers17
- D01F 6/24From polymers of aliphatic compounds with more than one carbon-to-carbon double bond5
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
- Microporous polyethylene filaments29 Sep 2026US 12,747,519 B2W. L. Gore & Associates, Inc.
- Polymer fibers for concrete reinforcement8 Sep 2026US 12,729,294 B2Sika Technology AG
- Elastomeric laminate(s) for absorbent article donning1 Sep 2026US 12,721,760 B2The Procter & Gamble Company
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Roll-to-roll processing of hierarchically porous acrylic fibers through guided spinodal decomposition8 Oct 2026US 2026/0308812 A1
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Methods and apparatuses for making elastomeric laminates24 Sep 2026US 2026/0283863 A1The Procter & Gamble Company
- Method of making polyacrylonitrile based carbon fibers and polyacrylonitrile based carbon fiber fabric24 Sep 2026US 2026/0286576 A1University of Kentucky Research Foundation
Most cited
By later US patents
- 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
- High tenacity, high modulus polyethylene and polypropylene fibers and intermediates therefore335US 4,413,110 AAllied Corporation · 1983
- Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure257US 4,482,516 AW. L. Gore & Associates, Inc. · 1984
- Isotactic propylene copolymers, their preparation and use180US 6,960,635 B2Dow Global Technologies LLC · 2005