D21H 19/60
Polyalkenylalcohols
Official title: Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
D21H19/60 (Polyalkenylalcohols) appears on 204 US grants and 246 published applications in this corpus.
Search patents in D21H- Granted patents
- 204
- Published applications
- 246
- Assignees
- 162
- Inventors
- 696
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 2 |
| 2004 | 0 | 5 |
| 2005 | 3 | 7 |
| 2006 | 1 | 4 |
| 2007 | 1 | 4 |
| 2008 | 4 | 9 |
| 2009 | 3 | 4 |
| 2010 | 2 | 9 |
| 2011 | 2 | 10 |
| 2012 | 2 | 14 |
| 2013 | 5 | 7 |
| 2014 | 5 | 13 |
| 2015 | 4 | 4 |
| 2016 | 6 | 8 |
| 2017 | 7 | 18 |
| 2018 | 11 | 14 |
| 2019 | 6 | 17 |
| 2020 | 11 | 11 |
| 2021 | 9 | 12 |
| 2022 | 12 | 16 |
| 2023 | 6 | 19 |
| 2024 | 11 | 17 |
| 2025 | 12 | 9 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas barrier film for packaging material25 Aug 2026US 12,715,668 B2Stora Enso OYJ
- Multi-layer flexible packaging material19 May 2026US 12,630,346 B2Societe des Produits Nestle S. A.
- Cellulosic structures for high barrier applications19 May 2026US 12,630,979 B2WestRock MWV, LLC
- Barrier recycled paperboard and method for manufacturing thereof5 May 2026US 12,618,198 B2WestRock MWV, LLC
- Gas barrier laminate and packaging body using the same28 Apr 2026US 12,612,231 B2Toppan Inc.
- Coated barrier paper17 Sep 2026US 2026/0275641 A1Billerud Aktiebolag (publ)
- Barrier recycled paperboard and method for manufacturing thereof10 Sep 2026US 2026/0266001 A1WestRock MWV, LLC
- Layered structure27 Aug 2026US 2026/0249600 A1Camm Solutions (Spain) R&D, S.L.U.
- Polymer coated paper and paperboard27 Aug 2026US 2026/0250054 A1Stora Enso OYJ
- Oxygen barrier material23 Jul 2026US 2026/0210052 A1Upm-Kymmene Corporation
Most cited
By later US patents
- Synthetic resin emulsion and its uses58US 4,350,788 ANippon Gohsei Kagaku Kogyo Kabushiki Kaisha · 1982
- Method for making coated and printed packaging material on a printing press55US 4,898,752 AWestvaco Corporation · 1990
- Production of porous, smooth, coated paper using high solids water-based coating compositions in blade coating apparatus35US 4,154,899 APotlatch Forests, Inc. · 1979
- Coated paper and methods for its preparation33US 5,985,076 AAsahi Glass Company, Limited · 1999
- Froth coating of paper products and process for forming same32US 4,279,964 AReichhold Chemicals, Inc. · 1981