C08F 6/20
Concentration
C08F6/20 (Concentration) appears on 55 US grants and 61 published applications in this corpus.
Search patents in C08F- Granted patents
- 55
- Published applications
- 61
- Assignees
- 40
- Inventors
- 205
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 4 |
| 2006 | 2 | 6 |
| 2007 | 1 | 7 |
| 2008 | 1 | 4 |
| 2009 | 3 | 6 |
| 2010 | 7 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 5 |
| 2023 | 0 | 5 |
| 2024 | 0 | 0 |
| 2025 | 3 | 4 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluoropolymer powder23 Dec 2025US 12,503,560 B2Daikin Industries, Ltd.
- Process for making a fluoropolymer dispersion20 May 2025US 12,305,031 B2Arkema Inc.
- Process for producing aqueous fluoropolymer dispersion7 Jan 2025US 12,187,859 B2Daikin Industries, Ltd.
- Tetrafluoroethylene polymer dispersions stabilized with aliphatic non-ionic surfactants7 Dec 2021US 11,193,037 B23M Innovative Properties Company
- Method for producing methacrylate copolymer solution17 Aug 2021US 11,091,575 B2Kuraray Co., Ltd.
- Method for Producing Copolymer Having Improved Oil Retainability27 Aug 2026US 2026/0250429 A1Kuraray Co., Ltd.
- Aqueous dispersion of fluoroolefins, aqueous dispersion of copolymer of fluoroolefins, and method for manufacturing the same21 May 2026US 2026/0139150 A1Asahi Kasei Kabushiki Kaisha
- Aqueous dispersion of fluoroolefins, aqueous dispersion of copolymer of fluoroolefins, and method for manufacturing the same21 May 2026US 2026/0139151 A1Asahi Kasei Kabushiki Kaisha
- Method for producing fluoropolymer aqueous dispersion and fluoropolymer aqueous dispersion26 Mar 2026US 2026/0085137 A1Daikin Industries, Ltd.
- Method for producing fluoropolymer aqueous dispersion, fluoropolymer aqueous dispersion and coating composition29 May 2025US 2025/0171563 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Concentrated dispersions of fluorinated polymers and process for their preparation95US 4,369,266 AHoechst Aktiengesellschaft · 1983
- Process for purification and drying of polymer hydrogels49US 6,600,011 B2Genzyme Corporation · 2003
- Utrafiltration process for the recovery of polymeric latices from whitewater48US 5,171,767 ARohm and Haas Company · 1992
- Ultrafiltration process for the recovery of polymeric latices from whitewater47US 6,248,809 B1Rohm and Haas Company · 2001
- Preparation of concentrated, stable water-in-oil emulsions of water-soluble or water-swellable polymers45US 4,645,568 ABASF SE · 1987