C08J 2327/18
Homopolymers or copolymers of tetrafluoroethylene
C08J2327/18 (Homopolymers or copolymers of tetrafluoroethylene) appears on 1,026 US grants and 1,071 published applications in this corpus.
Search patents in C08J- Granted patents
- 1,026
- Published applications
- 1,071
- Assignees
- 427
- Inventors
- 2,304
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 10 | 0 |
| 1978 | 14 | 0 |
| 1979 | 14 | 0 |
| 1980 | 11 | 0 |
| 1981 | 13 | 0 |
| 1982 | 9 | 0 |
| 1983 | 15 | 0 |
| 1984 | 15 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 19 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 17 | 0 |
| 1993 | 13 | 0 |
| 1994 | 11 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 26 | 0 |
| 1998 | 25 | 0 |
| 1999 | 20 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 4 |
| 2002 | 14 | 16 |
| 2003 | 8 | 21 |
| 2004 | 13 | 19 |
| 2005 | 14 | 38 |
| 2006 | 9 | 26 |
| 2007 | 10 | 27 |
| 2008 | 8 | 23 |
| 2009 | 22 | 37 |
| 2010 | 18 | 47 |
| 2011 | 28 | 41 |
| 2012 | 23 | 38 |
| 2013 | 24 | 46 |
| 2014 | 33 | 33 |
| 2015 | 37 | 61 |
| 2016 | 33 | 51 |
| 2017 | 30 | 48 |
| 2018 | 29 | 44 |
| 2019 | 35 | 47 |
| 2020 | 42 | 66 |
| 2021 | 39 | 58 |
| 2022 | 37 | 53 |
| 2023 | 40 | 86 |
| 2024 | 46 | 53 |
| 2025 | 40 | 53 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluorine resin film and molded rubber body6 Oct 2026US 12,753,286 B2Daikyo Seiko, Ltd.
- Fluororesin film25 Aug 2026US 12,715,967 B2Junkosha Inc.
- Protective material and associated protective wear28 Jul 2026US 12,692,363 B2New Jersey Institute of Technology
- Method for manufacturing low-molecular-weight polytetrafluoroethylene23 Jun 2026US 12,662,562 B2SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- Polytetrafluoroethylene aqueous dispersion16 Jun 2026US 12,655,315 B2Daikin Industries, Ltd.
- Polytetrafluoroethylene aqueous dispersion1 Oct 2026US 2026/0297370 A1Daikin Industries, Ltd.
- Adhesive agent for resin, and laminate10 Sep 2026US 2026/0265595 A1Nihon Parkerizing Co., Ltd.
- Battery electrode and method of making the same3 Sep 2026US 2026/0260897 A1Specialty Operations France
- Fluoropolymer bioprocess bag30 Jul 2026US 2026/0216393 A1Daikin America, Inc.
- Method for producing fluoropolymer30 Jul 2026US 2026/0217871 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Process for producing porous products1,316US 3,953,566 AW. L. Gore & Associates, Inc. · 1976
- Porous products and process therefor909US 4,187,390 AW. L. Gore & Associates, Inc. · 1980
- Very highly stretched polytetrafluoroethylene and process therefor330US 3,962,153 AW. L. Gore & Associates, Inc. · 1976
- Porpous PTFE film and a manufacturing method therefor264US 5,476,589 AW. L. Gore & Associates, Inc. · 1995
- Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure257US 4,482,516 AW. L. Gore & Associates, Inc. · 1984