C09J 129/04
Polyvinyl alcohol
Official title: Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
C09J129/04 (Polyvinyl alcohol) appears on 199 US grants and 248 published applications in this corpus.
Search patents in C09J- Granted patents
- 199
- Published applications
- 248
- Assignees
- 172
- Inventors
- 596
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 0 | 2 |
| 2004 | 2 | 5 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 2 | 6 |
| 2008 | 1 | 4 |
| 2009 | 2 | 9 |
| 2010 | 7 | 4 |
| 2011 | 2 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 11 |
| 2014 | 6 | 11 |
| 2015 | 11 | 9 |
| 2016 | 7 | 14 |
| 2017 | 9 | 13 |
| 2018 | 11 | 14 |
| 2019 | 9 | 12 |
| 2020 | 9 | 23 |
| 2021 | 12 | 17 |
| 2022 | 11 | 23 |
| 2023 | 12 | 9 |
| 2024 | 10 | 15 |
| 2025 | 13 | 19 |
| 2026 | 9 | 10 |
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.
- Self-healing metal-ligand polymeric materials25 Aug 2026US 12,716,017 B2The Regents of the University of Michigan
- Composition, coating, film, and base material14 Jul 2026US 12,679,965 B2Kuraray Co., Ltd.
- Creping adhesive, powder for use as creping adhesive, method for producing creping adhesive, and toilet paper, tissue paper, paper towel, kitchen paper, or napkin base paper26 May 2026US 12,637,596 B2Kuraray Co., Ltd.
- Water activated adhesive mixture5 May 2026US 12,617,982 B2Johns Manville
- Fluid-activated biodegradable bioluminescent glowing apparatus, compositions, kits, methods, and systems27 Aug 2026US 2026/0251271 A1Nyoka Design Corp.
- Polyvinyl alcohol resin, film roll, and polyvinyl acetal resin6 Aug 2026US 2026/0226206 A1Sekisui Chemical Co., Ltd.
- Water activated adhesive mixture23 Jul 2026US 2026/0209574 A1Johns Manville
- Self-stick insulation and methods16 Jul 2026US 2026/0201219 A1Johns Manville
- Adhesion-reducing agent composition for adhesive film work14 May 2026US 2026/0132312 A1CCI Corporation
Most cited
By later US patents
- Creping adhesives containing polyvinyl alcohol and cationic polyamide resins175US 4,528,316 AKimberly-Clark Corporation · 1985
- Support structures and deposition techniques for 3D printing120US 9,469,057 B23D Systems, Inc. · 2016
- Paper product comprising adhesively joined plies88US 5,858,554 AThe Procter & Gamble Company · 1999
- Adhesive composition consisting of polyvinylalcohol solution or polyvinylacetate latex modified with hydrophobic solution of isocyanate compound58US 3,931,088 AAsahi Corporation · 1976
- Resin composition comprising water-soluble polyamide and vinyl alcohol-based polymer48US 4,365,041 AUnitika Ltd. · 1982