C08F 216/06
Polyvinyl alcohol
Official title: Polyvinyl alcohol {; Vinyl alcohol}
C08F216/06 (Polyvinyl alcohol) appears on 264 US grants and 420 published applications in this corpus.
Search patents in C08F- Granted patents
- 264
- Published applications
- 420
- Assignees
- 131
- Inventors
- 768
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 5 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 5 |
| 2009 | 2 | 2 |
| 2010 | 5 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 4 |
| 2013 | 0 | 6 |
| 2014 | 3 | 12 |
| 2015 | 7 | 15 |
| 2016 | 14 | 21 |
| 2017 | 14 | 15 |
| 2018 | 12 | 22 |
| 2019 | 12 | 29 |
| 2020 | 20 | 35 |
| 2021 | 26 | 40 |
| 2022 | 20 | 46 |
| 2023 | 25 | 55 |
| 2024 | 31 | 46 |
| 2025 | 33 | 25 |
| 2026 | 26 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ethylene-vinyl alcohol copolymer and aqueous solution using same22 Sep 2026US 12,742,029 B2Kuraray Co., Ltd.
- Aqueous dispersion, aqueous emulsion, coating agent, coated paper, multilayer structure, packing material, adhesive agent, and aqueous emulsion production method15 Sep 2026US 12,735,517 B2Kuraray Co., Ltd.
- Dye-containing water-soluble receptacle and method for producing a coloured aqueous alkali metal cyanide solution15 Sep 2026US 12,735,575 B2CyPlus GmbH
- Vinyl alcohol polymer, method for producing vinyl alcohol polymer, dispersant for suspension polymerization, dispersion aid for suspension polymerization, and method for producing vinyl polymer4 Aug 2026US 12,698,355 B2Kuraray Co., Ltd.
- Water soluble film and articles comprising same21 Jul 2026US 12,686,764 B2Monosol, LLC
- Vinyl alcohol polymer, vinyl-alcohol-polymer-containing aqueous solution, coating material, and cement admixture24 Sep 2026US 2026/0286025 A1Kuraray Co., Ltd.
- Composition comprising vinyl alcohol-based polymer, and method for separating vinyl alcohol-based polymer20 Aug 2026US 2026/0242569 A1Kuraray Co., Ltd.
- Poly(vinyl alcohol) resin, resin composition, ceramic green sheet, and ceramic capacitor13 Aug 2026US 2026/0234301 A1Sekisui Chemical Co., Ltd.
- Polyvinyl alcohol resin, water-soluble film, extrusion-molded article, filament, nonwoven fabric, container, method for producing water-soluble film, and aqueous solution6 Aug 2026US 2026/0226205 A1Kuraray Co., Ltd.
- Polyvinyl alcohol resin, film roll, and polyvinyl acetal resin6 Aug 2026US 2026/0226206 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Polyvinyl alcohol and gel containing the same44US 5,880,216 AKuraray Co., Ltd. · 1999
- Articles comprising water-soluble polyvinyl alcohol blend film and related methods16US 10,240,114 B2The Procter & Gamble Company · 2019
- Acetoacetic ester group-containing polyvinyl alcohol-based resin, resin composition, and uses thereof12US 8,664,333 B2The Nippon Synthetic Chemical Industry Co., Ltd. · 2014
- Modified polyvinyl alcohol and water-soluble film containing same12US 9,908,957 B2Kuraray Co., Ltd. · 2018
- Self-assembling colloidal carriers for protein delivery11US 6,616,944 B2Medinnova Gesellschaft fur Medizinsche Innovationen aus Adkademischer Forschung mbH · 2003