C08L 27/20
Homopolymers or copolymers of hexafluoropropene
C08L27/20 (Homopolymers or copolymers of hexafluoropropene) appears on 114 US grants and 161 published applications in this corpus.
Search patents in C08L- Granted patents
- 114
- Published applications
- 161
- Assignees
- 77
- Inventors
- 450
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 3 |
| 2014 | 1 | 6 |
| 2015 | 7 | 6 |
| 2016 | 6 | 7 |
| 2017 | 2 | 6 |
| 2018 | 1 | 12 |
| 2019 | 10 | 19 |
| 2020 | 10 | 22 |
| 2021 | 13 | 21 |
| 2022 | 10 | 18 |
| 2023 | 9 | 7 |
| 2024 | 10 | 8 |
| 2025 | 4 | 1 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer and elastomer compositions having carbon nanostructure additives and articles formed therefrom for use in EMI and RFI shielding and in pressure sensing seals having quantum tunneling composite effects22 Sep 2026US 12,742,065 B2Greene, Tweed Technologies, Inc.
- Melt processible fluororesin molded article16 Jun 2026US 12,654,381 B2Chemours-Mitsui Fluoroproducts Co., Ltd.
- Casing for livestock sensor and livestock sensor14 Apr 2026US 12,601,618 B2Daikin Industries, Ltd.
- Method for producing fluoropolymer24 Mar 2026US 12,583,947 B2Daikin Industries, Ltd.
- Curable fluoroelastomers having low swelling tendency27 Jan 2026US 12,534,612 B2Carl Freudenberg KG
- Fluorine resin material, laminate, tube, and tube manufacturing method13 Aug 2026US 2026/0234388 A1Daikin Industries, Ltd.
- Heat conductive sheet8 May 2025US 2025/0151239 A1Zeon Corporation
- Thermoplastic fluororesin tube14 Nov 2024US 2024/0376304 A1Gunze Limited
- Fluid Plasticizers Including Fluorinated Organic Compounds for Use in Curable Fluoropolymer Compositions and Fluoroelastomer Compositions, and Methods for Improving Processability and Low Temperature Use Properties of Such Compositions22 Aug 2024US 2024/0279431 A1Greene, Tweed Technologies, Inc.
- Flame-retardant cable and uses thereof25 Jul 2024US 2024/0249858 A1M. Holland Company
Most cited
By later US patents
- Fibrillated polymer compositions and methods of their manufacture118US 10,400,080 B2Sabic Global Technologies B.V. · 2019
- Extrudable thermoplastic hydrocarbon polymer composition65US 4,855,360 AMinnesota Mining and Manufacturing Company · 1989
- Fluoropolymer alloys61US 4,749,752 AShanghai Institute of Organic Chemistry, Academia Sinica · 1988
- Amorphous tetrafluoroethylene-hexafluoropropylene copolymers54US 5,663,255 AE. I. Du Pont de Nemours and Company · 1997
- Low-melting tetrafluoroethylene copolymer and its uses42US 5,464,904 AE. I. Du Pont de Nemours and Company · 1995