C08L 27/16
Homopolymers or copolymers or vinylidene fluoride
C08L27/16 (Homopolymers or copolymers or vinylidene fluoride) appears on 625 US grants and 737 published applications in this corpus.
Search patents in C08L- Granted patents
- 625
- Published applications
- 737
- Assignees
- 361
- Inventors
- 1,813
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 5 |
| 2002 | 9 | 5 |
| 2003 | 16 | 26 |
| 2004 | 17 | 18 |
| 2005 | 8 | 26 |
| 2006 | 13 | 16 |
| 2007 | 8 | 27 |
| 2008 | 15 | 25 |
| 2009 | 8 | 28 |
| 2010 | 13 | 29 |
| 2011 | 16 | 30 |
| 2012 | 18 | 29 |
| 2013 | 25 | 20 |
| 2014 | 20 | 30 |
| 2015 | 20 | 26 |
| 2016 | 21 | 26 |
| 2017 | 9 | 23 |
| 2018 | 16 | 37 |
| 2019 | 19 | 50 |
| 2020 | 26 | 57 |
| 2021 | 37 | 42 |
| 2022 | 31 | 46 |
| 2023 | 36 | 43 |
| 2024 | 29 | 37 |
| 2025 | 26 | 20 |
| 2026 | 15 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Disentangled PVDF for high electromechanical efficiency thin films and fibers6 Oct 2026US 12,753,298 B2Meta Platforms Technologies, LLC
- Electrode mixture, secondary battery, and composition6 Oct 2026US 12,755,977 B2Daikin Fluorochemicals (China) Co., Ltd.
- Ultra-low temperature elastomeric fluoropolymer compositions and processes for preparing the same15 Sep 2026US 12,735,516 B2The Chemours Company Fc, LLC
- Processable tetrafluoroethylene copolymers1 Sep 2026US 12,723,151 B2Arkema Inc.
- Vinylidene fluoride polymer polymerization18 Aug 2026US 12,709,652 B2SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- In Situ Functionalized Symmetric Skinless Mixed Matrix Membrane Adsorbers with Embedded Polymeric Particles and Networks, and Related Compositions, Methods, and Systems1 Oct 2026US 2026/0297271 A1California Institute of Technology
- Method for preparing ultra-high molecular weight pvdf resin by using supercritical polymerization process24 Sep 2026US 2026/0286118 A1Ruyuan Dongyangguang Fluorine Resin Co., Ltd.
- Flexible pipe body27 Aug 2026US 2026/0251241 A1Baker Hughes Energy Technology UK Limited
- Method for manufacturing fluoroelastomers in aqueous emulsion without using fluorinated surfactants16 Jul 2026US 2026/0201095 A1SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- Binder for positive electrodes, positive electrode mixture, positive electrode, and nonaqueous electrolyte secondary battery11 Jun 2026US 2026/0163002 A1Kureha Corporation
Most cited
By later US patents
- Hydrophilic PVDF semipermeable membrane99US 4,810,384 ARhone-Poulenc Recherches · 1989
- Acid functional fluoropolymer membranes and method of manufacture94US 6,423,784 B13M Innovative Properties Company · 2002
- Polymer membranes on the basis of polyvinylidene fluoride, a process for the production thereof and their use81US 5,151,193 AFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 1992
- Process for extrusion72US 5,575,965 AUnion Carbide Chemicals & Plastics Technology Corporation · 1996
- Crosslinked latex polymer surfaces and methods thereof69US 5,736,250 AXerox Corporation · 1998