D21H 13/16
Polyalkenylalcohols
Official title: Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
D21H13/16 (Polyalkenylalcohols) appears on 79 US grants and 67 published applications in this corpus.
Search patents in D21H- Granted patents
- 79
- Published applications
- 67
- Assignees
- 69
- Inventors
- 219
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 0 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 1 | 1 |
| 2017 | 5 | 11 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 4 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fibrous structures different fibrous elements2 Dec 2025US 12,486,618 B2The Procter & Gamble Company
- Layered fibrous structures25 Nov 2025US 12,480,258 B2The Procter & Gamble Company
- Toilet tissue comprising a non-clingy surface9 Apr 2024US 11,952,727 B2The Procter & Gamble Company
- Fibrous structures comprising three or more regions12 Mar 2024US 11,926,969 B2The Procter & Gamble Company
- Multi-ply fibrous structures25 Jul 2023US 11,708,668 B2The Procter & Gamble Company
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Layered fibrous structures30 Apr 2026US 2026/0117467 A1The Procter & Gamble Company
- Layered fibrous structures30 Apr 2026US 2026/0117468 A1The Procter & Gamble Company
- Fibrous Structures and Methods for Making Same31 Aug 2023US 2023/0272585 A1The Procter & Gamble Company
- Sample pad for medical diagnosis kit, and production method therefor17 Aug 2023US 2023/0255528 A1Envioneer Co., Ltd
Most cited
By later US patents
- Cloth-like base sheet and method for making the same144US 6,315,864 B2Kimberly-Clark Worldwide, Inc. · 2001
- High water absorbent double-recreped fibrous webs112US 5,674,590 AKimberly-Clark Tissue Company · 1997
- Non-woven activated carbon fabric80US 4,565,727 AAmerican Cyanamid Company · 1986
- High gloss ultraviolet curable coating for porous substrates48US 5,800,884 AInternational Paper Company · 1998
- Synthetic paper47US 6,150,005 AInternational Paper Company · 2000