B29K 2031/04
Polymers of vinyl acetate
Official title: {Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate}
B29K2031/04 (Polymers of vinyl acetate) appears on 195 US grants and 178 published applications in this corpus.
Search patents in B29K- Granted patents
- 195
- Published applications
- 178
- Assignees
- 157
- Inventors
- 567
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 1 |
| 2003 | 6 | 10 |
| 2004 | 4 | 5 |
| 2005 | 3 | 6 |
| 2006 | 3 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 11 |
| 2009 | 0 | 6 |
| 2010 | 3 | 10 |
| 2011 | 2 | 10 |
| 2012 | 3 | 4 |
| 2013 | 6 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 8 |
| 2016 | 4 | 15 |
| 2017 | 7 | 6 |
| 2018 | 13 | 11 |
| 2019 | 6 | 10 |
| 2020 | 6 | 12 |
| 2021 | 9 | 9 |
| 2022 | 8 | 7 |
| 2023 | 6 | 4 |
| 2024 | 8 | 11 |
| 2025 | 3 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-porosity nanofiber nonwovens as a support structure for stromal tissue28 Jul 2026US 12,691,203 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Cylindrical brush and method of manufacture7 Apr 2026US 12,594,703 B2Tcnv, LLC
- Maintaining suitable sealability and hot tack strengths of acrylic- and acetate-based coatings when using base films containing HCR to improve their water-vapor barriers13 Jan 2026US 12,521,969 B2JFE Innovation Center SRL
- Runner protection tube for steel casting and manufacturing method thereof12 Aug 2025US 12,384,086 B2Temc Metal & Chemical Corp.
- Water-soluble film and package10 Jun 2025US 12,325,569 B2Kuraray Co., Ltd.
- Cylindrical brush and method of manufacture13 Aug 2026US 2026/0233446 A1Tcnv, LLC
- Deployment device for an insertable and methods of use and manufacture14 May 2026US 2026/0130789 A1
- Water-soluble film and water-soluble unit dose article made therefrom30 Apr 2026US 2026/0115974 A1The Procter & Gamble Company
- Modified straw waste composite board and preparation method thereof22 Jan 2026US 2026/0021644 A1Shenzhen Haoxiqi Consulting Management Co., Ltd.
- Poly(vinyl ester) polymer processing aids for polyolefins11 Dec 2025US 2025/0376583 A1Ingenia Polymers International S.A.
Most cited
By later US patents
- Elastomeric cushioning devices for products and objects188US 4,287,250 A1981
- Thermoset adhesive having susceptor particles therein114US 6,045,648 AMinnesta Mining and Manufacturing Company · 2000
- Method for preparing an electrokinetic element108US 7,666,287 B2LifeScan, Inc. · 2010
- Skin barrier composition comprising an irradiated crosslinked ethylene-vinyl acetate copolymer and polyisobutylene93US 4,477,325 AHollister Incorporated · 1984
- Covering panel92US 8,544,232 B2Parcolys N.V. · 2013