B32B 2329/04
Polyvinylalcohol
B32B2329/04 (Polyvinylalcohol) appears on 265 US grants and 246 published applications in this corpus.
Search patents in B32B- Granted patents
- 265
- Published applications
- 246
- Assignees
- 207
- Inventors
- 818
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 13 |
| 2003 | 7 | 5 |
| 2004 | 8 | 12 |
| 2005 | 3 | 14 |
| 2006 | 3 | 4 |
| 2007 | 1 | 6 |
| 2008 | 5 | 6 |
| 2009 | 1 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 4 | 0 |
| 2013 | 2 | 5 |
| 2014 | 4 | 11 |
| 2015 | 4 | 9 |
| 2016 | 3 | 3 |
| 2017 | 8 | 11 |
| 2018 | 3 | 15 |
| 2019 | 6 | 23 |
| 2020 | 16 | 14 |
| 2021 | 12 | 14 |
| 2022 | 10 | 11 |
| 2023 | 11 | 15 |
| 2024 | 10 | 14 |
| 2025 | 10 | 17 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet structure incorporating graphitic material, and method of manufacture26 May 2026US 12,636,860 B2Ora Graphene Audio Inc.
- Oxygen barrier coating as a separation layer coating26 May 2026US 12,636,865 B2Sun Chemical Corporation
- Light modulating device26 May 2026US 12,638,724 B2LG Chem.Ltd.
- Single-layer or multilayer polyester film having a permanent anti-fog coating and a transparency of at least 92 %21 Apr 2026US 12,606,680 B2Mitsubishi Polyester Film GmbH
- Functional and recyclable materials with electron beam crosslinking for various packaging applications24 Mar 2026US 12,583,212 B2Energy Sciences Inc.
- Laminate including release primer composition layers and method for separating laminate8 Oct 2026US 2026/0307366 A1Sakata Inx Corporation
- Layered structure27 Aug 2026US 2026/0249600 A1Camm Solutions (Spain) R&D, S.L.U.
- Multilayer deep-drawable packaging material2 Jul 2026US 2026/0184055 A1Felix Schoeller GmbH & Co. KG
- Functional And Recyclable Materials With Electron Beam Crosslinking For Various Packaging Applications18 Jun 2026US 2026/0166872 A1Energy Sciences Inc.
- Recyclable high barrier packaging films23 Apr 2026US 2026/0109824 A1
Most cited
By later US patents
- Prosthetic devices including elastin or elastin-based materials1,098US 5,990,379 AKenton W. Gregory & Sisters of Providence · 1999
- Multi-layer containers115US 5,676,267 APlastipak Packaging, Inc. · 1997
- Puncture resistant, heat-shrinkable films containing very low density polyethylene101US 4,863,769 AViskase Corporation · 1989
- Oxygen scavenging composition for multilayer preform and container101US 5,759,653 AContinental PET Technologies, Inc. · 1998
- Breathable, multilayered, clothlike barrier91US 4,828,556 AKimberly-Clark Corporation · 1989