D01F 6/14
From polymers of unsaturated alcohols
Official title: from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
D01F6/14 (From polymers of unsaturated alcohols) appears on 128 US grants and 136 published applications in this corpus.
Search patents in D01F- Granted patents
- 128
- Published applications
- 136
- Assignees
- 93
- Inventors
- 414
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 2 | 5 |
| 2005 | 2 | 5 |
| 2006 | 4 | 6 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 3 | 6 |
| 2011 | 4 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 9 |
| 2014 | 1 | 6 |
| 2015 | 3 | 10 |
| 2016 | 3 | 2 |
| 2017 | 7 | 14 |
| 2018 | 6 | 8 |
| 2019 | 5 | 5 |
| 2020 | 6 | 12 |
| 2021 | 6 | 6 |
| 2022 | 3 | 4 |
| 2023 | 7 | 6 |
| 2024 | 2 | 7 |
| 2025 | 5 | 3 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for cutting hollow fiber membranes30 Jun 2026US 12,667,811 B2Gambro Lundia AB
- Water disintegrable, foam producing article for use as a toilet bowl cleaner12 May 2026US 12,624,319 B2The Procter & Gamble Company
- Manufacturing method for colored nonwoven fabric24 Mar 2026US 12,584,244 B2Kao Corporation
- Extruded polyvinyl alcohol fibres and fibrous products20 Jan 2026US 12,528,240 B2Aquapak IP Limited
- Fibrous structures different fibrous elements2 Dec 2025US 12,486,618 B2The Procter & Gamble Company
- Fibrous polymer material and fibrous gel material3 Sep 2026US 2026/0258205 A1Gellycle Co., Ltd.
- Polyvinyl alcohol fiber and method for producing same27 Aug 2026US 2026/0250886 A1Kuraray Co., Ltd.
- Polyvinyl alcohol resin, water-soluble film, extrusion-molded article, filament, nonwoven fabric, container, method for producing water-soluble film, and aqueous solution13 Aug 2026US 2026/0234302 A1Kuraray Co., Ltd.
- High strength biomedical materials6 Aug 2026US 2026/0224782 A1Access Vascular, Inc.
- Dual-conductive fiber network structure material and preparation method and application thereof16 Jul 2026US 2026/0198830 A1Shenzhen Second People's Hospital (Shenzhen Institute of Translational Medicine)
Most cited
By later US patents
- Water soluble polyvinyl alcohol-based fiber77US 5,455,114 AKuraray Co., Ltd. · 1995
- Polyvinyl alcohol fibers, and nonwoven fabric comprising them73US 7,892,992 B2Kuraray Co., Ltd. · 2011
- Novel polyvinyl alcohol compositions and products prepared therefrom68US 4,851,168 ADow Corning Corporation · 1989
- Nonwoven web of poly(vinyl alcohol) fibers67US 5,342,335 AKimberly-Clark Corporation · 1994
- Method of preparing high strength and modulus polyvinyl alcohol fibers65US 4,440,711 AAllied Corporation · 1984