D21H 17/07
Nitrogen-containing compounds
D21H17/07 (Nitrogen-containing compounds) appears on 419 US grants and 253 published applications in this corpus.
Search patents in D21H- Granted patents
- 419
- Published applications
- 253
- Assignees
- 210
- Inventors
- 847
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 17 | 0 |
| 2000 | 26 | 0 |
| 2001 | 29 | 1 |
| 2002 | 14 | 9 |
| 2003 | 14 | 14 |
| 2004 | 14 | 9 |
| 2005 | 5 | 7 |
| 2006 | 5 | 12 |
| 2007 | 6 | 5 |
| 2008 | 4 | 15 |
| 2009 | 4 | 7 |
| 2010 | 5 | 3 |
| 2011 | 7 | 8 |
| 2012 | 4 | 9 |
| 2013 | 8 | 13 |
| 2014 | 14 | 10 |
| 2015 | 6 | 21 |
| 2016 | 8 | 15 |
| 2017 | 10 | 7 |
| 2018 | 4 | 11 |
| 2019 | 9 | 8 |
| 2020 | 8 | 11 |
| 2021 | 8 | 14 |
| 2022 | 9 | 7 |
| 2023 | 3 | 11 |
| 2024 | 8 | 8 |
| 2025 | 4 | 9 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amide compound25 Aug 2026US 12,715,948 B2Daikin Industries, Ltd.
- Softener concentrate, softener emulsion, method for producing softener emulsion and its use14 Jul 2026US 12,680,231 B2Kemira Oyj
- Durable tissue product14 Jul 2026US 12,680,233 B2Kimberly-Clark Worldwide, Inc.
- Composition for improving softness of tissue and/or towel products12 May 2026US 12,624,503 B2Solenis Technologies, L.P.
- Electrical insulation paper12 May 2026US 12,626,836 B2Ahlstrom Oyj
- Polyimide fibre paper1 Oct 2026US 2026/0297851 A1Dupont Electronics, Inc.
- Composition13 Aug 2026US 2026/0234413 A1Daikin Industries, Ltd.
- Composition23 Jul 2026US 2026/0210051 A1Daikin Industries, Ltd.
- Wet laid paper and paperboard products with high wet strength and method of making the same16 Jul 2026US 2026/0201642 A1First Quality Tissue, LLC
- Non-cationic softeners and methods of use18 Jun 2026US 2026/0167896 A1Ecolab USA Inc.
Most cited
By later US patents
- Diaper having a lotioned topsheet815US 5,643,588 AThe Procter & Gamble Company · 1997
- Absorbent article having a lotioned topsheet509US 5,968,025 AThe Procter & Gamble Company · 1999
- Diaper having a lotioned topsheet242US 6,118,041 AThe Procter & Gamble Company · 2000
- Absorbent article having a lotioned topsheet195US 6,586,652 B1The Procter & Gamble Company · 2003
- Diaper having a lotioned topsheet193US 6,627,787 B1The Procter & Gamble Company · 2003