B01D 71/5221
Polyaryletherketone
Official title: {Polyaryletherketone}
B01D71/5221 (Polyaryletherketone) appears on 32 US grants and 38 published applications in this corpus.
Search patents in B01D- Granted patents
- 32
- Published applications
- 38
- Assignees
- 30
- Inventors
- 105
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 4 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 5 |
| 2021 | 1 | 0 |
| 2022 | 5 | 3 |
| 2023 | 3 | 5 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof19 May 2026US 12,630,706 B2Syensqo Specialty Polymers USA, LLC
- Resin wafer technologies with solution processable ionomers6 Jan 2026US 12,515,177 B2Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
- Polyarylene ether17 Sep 2024US 12,091,503 B2BASF SE
- Anionic membranes incorporating functional additives30 Apr 2024US 11,969,722 B2Ffi Ionix IP, Inc.
- Composite poly (aryl ether ketone) membranes, their preparation and use thereof17 Oct 2023US 11,786,871 B2Avanpore LLC
- Polyether Sulfone Copolymers and Articles Prepared Therefrom8 Oct 2026US 2026/0308326 A1Thermo Fisher Bioprocessing Inc.
- Membrane comprising a blend of polyarylethersulfone and polyaryletherketone and method for manufacturing thereof3 Sep 2026US 2026/0258241 A1Syensqo Specialty Polymers USA, LLC
- Graft polyarylether copolymers26 Mar 2026US 2026/0085142 A1Solvay Specialty Polymers USA, LLC
- Direct coating of anion exchange membranes with catalytically active material30 Oct 2025US 2025/0332550 A1Evonik Operations GmbH
- Anionic membranes incorporating functional additives17 Oct 2024US 2024/0342699 A1USA Fortescue IP, Inc.
Most cited
By later US patents
- Method for making semi-permeable polymer membranes81US 5,275,766 ACorning Incorporate · 1994
- Process for making a microporous membrane from a blend containing a poly(etheretherketone)-type polymer, an amorphous polymer, and a solvent47US 5,205,968 AThe Dow Chemical Company · 1993
- Sulphonated polyaryletherketones42US 4,268,650 AImperial Chemical Industries PLC · 1981
- Sulphonated polyarylethersulphone copolymers42US 4,273,903 AImperial Chemical Industries PLC · 1981
- Asymmetric semipermeable poly(aryletherketone) membranes and method of producing same21US 5,089,192 AIonics, Incorporated · 1992