D01F 6/50
Of polyalcohols, polyacetals or polyketals
Official title: of polyalcohols, polyacetals or polyketals
D01F6/50 (Of polyalcohols, polyacetals or polyketals) appears on 63 US grants and 86 published applications in this corpus.
Search patents in D01F- Granted patents
- 63
- Published applications
- 86
- Assignees
- 63
- Inventors
- 244
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 5 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 3 | 5 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 4 |
| 2013 | 3 | 7 |
| 2014 | 1 | 3 |
| 2015 | 5 | 7 |
| 2016 | 2 | 4 |
| 2017 | 3 | 5 |
| 2018 | 1 | 5 |
| 2019 | 4 | 3 |
| 2020 | 4 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 2 |
| 2023 | 1 | 8 |
| 2024 | 1 | 6 |
| 2025 | 7 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extruded polyvinyl alcohol fibres and fibrous products20 Jan 2026US 12,528,240 B2Aquapak IP Limited
- Electrospun film, method for manufacturing the same and use of such electrospun film30 Dec 2025US 12,509,799 B2City University of Hong Kong
- Scented antibacterial nanofibrous layer28 Oct 2025US 12,453,695 B2Amirkabir University of Technology
- Dissolvable fibrous web structure article comprising active agents16 Sep 2025US 12,416,103 B2
- High strength biomedical materials12 Aug 2025US 12,383,658 B2Access Vascular, Inc.
- Polyvinyl alcohol fiber and method for producing same27 Aug 2026US 2026/0250886 A1Kuraray Co., Ltd.
- High strength biomedical materials6 Aug 2026US 2026/0224782 A1Access Vascular, Inc.
- Antimicrobial photoactive nanofibrous polymer material19 Dec 2024US 2024/0415115 A1Lam-X A.S.
- Fiber, fiber sheet, method for producing fiber, and acidic gas adsorption device30 May 2024US 2024/0173693 A1Nitto Denko Corporation
- Extruded Polyvinyl Alcohol Fibres and Fibrous Products15 Feb 2024US 2024/0051210 A1Aquapak IP Limited
Most cited
By later US patents
- Porous fluoropolymeric fibrous sheet and method of manufacture100US 4,127,706 AImperial Chemical Industries PLC · 1978
- Water-responsive, biodegradable fibers comprising polylactide modified polylactide and polyvinyl alcohol, and method for making the fibers75US 5,945,480 AKimberly-Clark Worldwide, Inc. · 1999
- Fibers comprising starch and polymers48US 6,818,295 B2The Procter & Gamble Company · 2004
- Dissolvable fibrous web structure article comprising active agents36US 9,545,364 B2The Procter & Gamble Company · 2017
- Polyvinyl alcohol fiber for binding a fibrous sheet and a process for the preparation thereof34US 4,267,016 A1981