C08F 6/16
Purification
C08F6/16 (Purification) appears on 124 US grants and 145 published applications in this corpus.
Search patents in C08F- Granted patents
- 124
- Published applications
- 145
- Assignees
- 64
- Inventors
- 345
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 5 | 5 |
| 2005 | 2 | 8 |
| 2006 | 4 | 17 |
| 2007 | 5 | 10 |
| 2008 | 2 | 5 |
| 2009 | 5 | 11 |
| 2010 | 14 | 8 |
| 2011 | 3 | 3 |
| 2012 | 6 | 3 |
| 2013 | 3 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 6 |
| 2016 | 3 | 4 |
| 2017 | 4 | 2 |
| 2018 | 4 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 3 |
| 2021 | 4 | 6 |
| 2022 | 1 | 8 |
| 2023 | 2 | 8 |
| 2024 | 5 | 2 |
| 2025 | 3 | 8 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrophilic compound removal method and odor removal method28 Apr 2026US 12,611,480 B2Daikin Industries, Ltd.
- Method for producing resin composition, and resin composition28 Apr 2026US 12,612,514 B2Kaneka Corporation
- Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition3 Feb 2026US 12,540,203 B2Daikin Industries, Ltd.
- Method for producing fluoropolymer powder23 Dec 2025US 12,503,560 B2Daikin Industries, Ltd.
- Composition for polymerizing vinyl chloride-based polymer and method for preparing vinyl chloride-based polymer using same15 Jul 2025US 12,359,006 B2LG Chem.Ltd.
- Method for producing fluoropolymer aqueous dispersion and fluoropolymer aqueous dispersion25 Jun 2026US 2026/0176458 A1Daikin Industries, Ltd.
- Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition21 May 2026US 2026/0139079 A1Daikin Industries, Ltd.
- Process synthesizing sustainable aviation fuel compositions2 Apr 2026US 2026/0092023 A1Visolis, Inc.
- Process for synthesizing polymer compositions from starting materials comprising a double bond2 Apr 2026US 2026/0092130 A1Visolis, Inc.
- Compositions for fuel blending made by a sustainable process, and sustainable fuel compositions therefrom2 Apr 2026US 2026/0092228 A1Visolis, Inc.
Most cited
By later US patents
- Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant103US 7,041,728 B23M Innovative Properties Company · 2006
- Aqueous dispersions of fluoropolymers82US 6,833,403 B13M Innovative Properties Company · 2004
- Recovery of fluorinated emulsifying acids from basic anion exchangers76US 4,282,162 AHoechst Aktiengesellschaft · 1981
- Method of making an aqueous dispersion of fluoropolymers58US 6,794,550 B23M Innovative Properties Company · 2004
- Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions43US 6,825,250 B23M Innovative Properties Company · 2004