D21H 17/10
Phosphorus-containing compounds
D21H17/10 (Phosphorus-containing compounds) appears on 80 US grants and 66 published applications in this corpus.
Search patents in D21H- Granted patents
- 80
- Published applications
- 66
- Assignees
- 80
- Inventors
- 207
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 6 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 2 |
| 2009 | 3 | 1 |
| 2010 | 3 | 4 |
| 2011 | 1 | 4 |
| 2012 | 4 | 1 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 3 |
| 2022 | 3 | 2 |
| 2023 | 1 | 4 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wrapper paper with improved flame resistance21 Apr 2026US 12,604,924 B2delfortgroup AG
- Aqueous biodegradable-resin dispersion, production method therefor, and food-packaging paper obtained using aqueous biodegradable-resin dispersion7 Apr 2026US 12,595,626 B2Miyoshi Oil & Fat Co., Ltd.
- Heat-resistant wrapper paper for aerosol-generating articles14 Oct 2025US 12,442,137 B2delfortgroup AG
- Flame-resistant paper for radio wave absorber member and production method for same15 Jul 2025US 12,359,374 B2Toray Industries, Inc.
- Decay-resistant paper1 Oct 2024US 12,104,326 B2Nippon Beet Sugar Manufacturing Co., Ltd.
- Paper treatment agent, paper using same, and method for improving texture of paper13 Aug 2026US 2026/0234874 A1Miyoshi Oil & Fat Co., Ltd.
- Preparation method of biodegradable and antibacterial bamboo fiber-based paper straw9 Jul 2026US 2026/0193846 A1Northeast Forestry University
- Method for Producing Lignocellulose Nanofibrils From Phosphorylated Fibers28 Aug 2025US 2025/0270761 A1
- Citric acid-catalysed curran modified card board materials2 Jan 2025US 2025/0003152 A1Cellucomp Limited
- Softener concentrate, softener emulsion, method for producing softener emulsion and its use26 Sep 2024US 2024/0318383 A1Kemira Oyj
Most cited
By later US patents
- Crosslinked cellulose products and method for their preparation114US 5,225,047 AWeyerhaeuser Company · 1993
- Tissue products containing softeners and silicone glycol77US 5,552,020 AKimberly-Clark Corporation · 1996
- Apparatus for crosslinking individualized cellulose fibers48US 5,437,418 AWeyerhaeuser Company · 1995
- Tissue paper products prepared with an ion-paired softener48US 6,245,197 B1Fort James Corporation · 2001
- Fire retardant treated fluff pulp web and process for making same48US 8,685,206 B2International Paper Company · 2014