C08F 14/26
Tetrafluoroethene
C08F14/26 (Tetrafluoroethene) appears on 284 US grants and 376 published applications in this corpus.
Search patents in C08F- Granted patents
- 284
- Published applications
- 376
- Assignees
- 107
- Inventors
- 683
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 6 |
| 2003 | 7 | 4 |
| 2004 | 7 | 3 |
| 2005 | 0 | 5 |
| 2006 | 3 | 3 |
| 2007 | 3 | 9 |
| 2008 | 2 | 9 |
| 2009 | 2 | 9 |
| 2010 | 11 | 16 |
| 2011 | 9 | 7 |
| 2012 | 4 | 14 |
| 2013 | 4 | 17 |
| 2014 | 10 | 12 |
| 2015 | 19 | 17 |
| 2016 | 10 | 6 |
| 2017 | 10 | 11 |
| 2018 | 10 | 15 |
| 2019 | 6 | 18 |
| 2020 | 13 | 21 |
| 2021 | 10 | 26 |
| 2022 | 15 | 33 |
| 2023 | 23 | 32 |
| 2024 | 15 | 27 |
| 2025 | 20 | 29 |
| 2026 | 14 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing perfluoroelastomer aqueous dispersion, composition, crosslinkable composition, and crosslinked product22 Sep 2026US 12,742,025 B2Daikin Industries, Ltd.
- Processable tetrafluoroethylene copolymers1 Sep 2026US 12,723,151 B2Arkema Inc.
- Polytetrafluoroethylene aqueous dispersion16 Jun 2026US 12,655,315 B2Daikin Industries, Ltd.
- Electrophotographic member with surface layer comprising tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer, and fixing device, and electrophotographic image forming apparatus including electrophotographic member16 Jun 2026US 12,656,714 B2Canon Kabushiki Kaisha
- Composition, stretched body and method of manufacturing thereof2 Jun 2026US 12,643,964 B2Daikin Industries, Ltd.
- Polytetrafluoroethylene aqueous dispersion1 Oct 2026US 2026/0297370 A1Daikin Industries, Ltd.
- Fluorinated polymer, electrolyte membrane, membrane electrode assembly, water electrolyzer, hydrogen production method and fluorinated polymer production method10 Sep 2026US 2026/0265938 A1AGC Inc.
- Method of producing fluoropolymer3 Sep 2026US 2026/0258167 A1Daikin Industries, Ltd.
- Method for manufacturing fluoroelastomers6 Aug 2026US 2026/0226198 A1SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- High-temperature-resistant perfluoroether fluororubber and preparation method therefor6 Aug 2026US 2026/0226219 A1Zhonghao Chenguang Research Institute of Chemical Industry Co., Ltd.
Most cited
By later US patents
- Polymerization process131US 5,688,884 AE. I. Du Pont de Nemours and Company · 1997
- Polymerization of fluoromonomers107US 6,429,258 B1E. I. Du Pont de Nemours and Company · 2002
- Expandable functional TFE copolymer fine powder, the expandable functional products obtained therefrom and reaction of the expanded products106US 9,139,669 B2W. L. Gore & Associates, Inc. · 2015
- Polymerization of fluoromonomers91US 6,395,848 B1E. I. Du Pont de Nemours and Company · 2002
- Process for polymerizing tetrafluoroethylene in aqueous dispersion65US 4,016,345 AE. I. Du Pont de Nemours and Company · 1977