D06M 13/213
Perfluoroalkyl carboxylic acids
Official title: Perfluoroalkyl carboxylic acids; Anhydrides, halides or salts thereof
D06M13/213 (Perfluoroalkyl carboxylic acids) appears on 31 US grants and 9 published applications in this corpus.
Search patents in D06M- Granted patents
- 31
- Published applications
- 9
- Assignees
- 19
- Inventors
- 67
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Water-repellent woven or knitted article, production method for same, and garment15 Jul 2025US 12,359,368 B2Toray Industries, Inc.
- Product made of silk26 Feb 2019US 10,214,571 B2MorphoMed GmBH
- Surface coatings14 Nov 2017US 9,816,226 B2Europlasma NV
- Permanent hydrophobic and oleophotic modification for polymer surfaces and process of making same5 Jan 1999US 5,856,246 A
- Aqueous anti-soiling composition3 Feb 1998US 5,714,082 AMinnesota Mining and Manufacturing Company
- Elastic conductive fiber and method for preparing the same22 Aug 2024US 2024/0279869 A1Southern Taiwan University of Science and Technology
- Water-repellent woven or knitted article, production method for same, and garment24 Mar 2022US 2022/0090314 A1Toray Industries, Inc.
- Method of capturing heavy metals by a chemically functionalized surface19 Nov 2015US 2015/0328620 A1Surface Innovations Limited
- Surface Coatings24 Sep 2015US 2015/0267343 A1Europlasma NV
- Product Made of Silk27 Aug 2015US 2015/0239944 A1MorphoMed GmBH
Most cited
By later US patents
- Aqueous dispersions of perfluoroalkyl esters for treating textiles51US 4,029,585 AE. I. Du Pont de Nemours and Company · 1977
- Soil resistant yarn finish composition for synthetic organic polymer yarn40US 4,192,754 AAllied Chemical Corporation · 1980
- Textile treatments37US 4,401,780 AMinnesota Mining and Manufacturing Company · 1983
- Aqueous anti-soiling composition36US 5,714,082 AMinnesota Mining and Manufacturing Company · 1998
- Antistatic compositions and treatment35US 4,313,978 AMinnesota Mining and Manufacturing Company · 1982