D21H 17/14
Carboxylic acids
Official title: Carboxylic acids; Derivatives thereof
D21H17/14 (Carboxylic acids) appears on 475 US grants and 409 published applications in this corpus.
Search patents in D21H- Granted patents
- 475
- Published applications
- 409
- Assignees
- 274
- Inventors
- 1,146
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 20 | 0 |
| 2000 | 17 | 0 |
| 2001 | 26 | 1 |
| 2002 | 13 | 6 |
| 2003 | 16 | 10 |
| 2004 | 10 | 13 |
| 2005 | 4 | 11 |
| 2006 | 1 | 18 |
| 2007 | 3 | 13 |
| 2008 | 3 | 16 |
| 2009 | 4 | 13 |
| 2010 | 11 | 9 |
| 2011 | 10 | 10 |
| 2012 | 10 | 17 |
| 2013 | 10 | 11 |
| 2014 | 9 | 15 |
| 2015 | 9 | 24 |
| 2016 | 4 | 17 |
| 2017 | 17 | 12 |
| 2018 | 10 | 13 |
| 2019 | 13 | 17 |
| 2020 | 12 | 19 |
| 2021 | 16 | 20 |
| 2022 | 17 | 26 |
| 2023 | 10 | 29 |
| 2024 | 20 | 25 |
| 2025 | 15 | 24 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Moisture/oil resistant composite materials29 Sep 2026US 12,747,536 B2World Centric
- Process for producing and using fibrillated biodegradable microfibers7 Jul 2026US 12,674,278 B2
- Composition for improving softness of tissue and/or towel products12 May 2026US 12,624,503 B2Solenis Technologies, L.P.
- Aqueous emulsion and method for making it28 Apr 2026US 12,612,732 B2Kemira Oyj
- 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.
- Pulp sheet for fluff pulp, fluff mat, and absorbent article17 Sep 2026US 2026/0275639 A1Oji Holdings Corporation
- Dual emulsification of alkenyl succinic anhydride to improve sizing performance and stability20 Aug 2026US 2026/0243024 A1Kemira Oyj
- Composition13 Aug 2026US 2026/0234413 A1Daikin Industries, Ltd.
- Composition13 Aug 2026US 2026/0234871 A1Daikin Industries, Ltd.
- Packing material and manufacturing method of packing material13 Aug 2026US 2026/0234872 A1Sony Group Corporation
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