D21H 17/36
Polyalkenyalcohols
Official title: Polyalkenyalcohols; Polyalkenylethers; Polyalkenylesters
D21H17/36 (Polyalkenyalcohols) appears on 324 US grants and 333 published applications in this corpus.
Search patents in D21H- Granted patents
- 324
- Published applications
- 333
- Assignees
- 216
- Inventors
- 921
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 6 |
| 2003 | 5 | 5 |
| 2004 | 11 | 9 |
| 2005 | 1 | 7 |
| 2006 | 4 | 17 |
| 2007 | 5 | 6 |
| 2008 | 2 | 8 |
| 2009 | 3 | 14 |
| 2010 | 4 | 18 |
| 2011 | 7 | 16 |
| 2012 | 11 | 16 |
| 2013 | 13 | 18 |
| 2014 | 12 | 24 |
| 2015 | 9 | 15 |
| 2016 | 12 | 10 |
| 2017 | 12 | 15 |
| 2018 | 8 | 16 |
| 2019 | 15 | 15 |
| 2020 | 12 | 12 |
| 2021 | 11 | 13 |
| 2022 | 16 | 20 |
| 2023 | 9 | 18 |
| 2024 | 12 | 15 |
| 2025 | 10 | 12 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Composition, film or coating comprising microfibrillated cellulose and extractive from wood bark or cork wood14 Apr 2026US 12,600,839 B2Stora Enso OYJ
- Static mixer for electrical submersible pump (ESP) high gas/oil ratio (GOR) completions3 Mar 2026US 12,565,736 B2Saudi Arabian Oil Company
- Articles of manufacture comprising nanocellulose elements10 Feb 2026US 12,545,864 B2Soane Materials LLC
- Articles of manufacture comprising nanocellulose elements10 Feb 2026US 12,545,866 B2Soane Materials LLC
- Use of a paper substrate, the barrier-coated paper substrate, a laminated packaging material and packaging container comprising it17 Sep 2026US 2026/0275650 A1Tetra Laval Holdings & Finance S. A.
- Layered structure27 Aug 2026US 2026/0249600 A1Camm Solutions (Spain) R&D, S.L.U.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
- Biodegradable nonwoven sheets, a method of manufacturing the same and uses thereof6 Aug 2026US 2026/0223788 A1
- Cross-linked polyvinyl alcohol adhesives23 Apr 2026US 2026/0109131 A1The Procter & Gamble Company
Most cited
By later US patents
- Method for making soft layered tissues197US 5,494,554 AKimberly-Clark Corporation · 1996
- Creping adhesives containing polyvinyl alcohol and cationic polyamide resins175US 4,528,316 AKimberly-Clark Corporation · 1985
- Process for creping tissue paper117US 5,865,950 AThe Procter & Gamble Company · 1999
- Process for producing creped paper products113US 5,942,085 AThe Procter & Gamble Company · 1999
- Process for producing creped paper products and creping aid for use therewith106US 6,048,938 AThe Procter & Gamble Company · 2000