B01D 2323/20
Plasticizers
B01D2323/20 (Plasticizers) appears on 61 US grants and 78 published applications in this corpus.
Search patents in B01D- Granted patents
- 61
- Published applications
- 78
- Assignees
- 53
- Inventors
- 208
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 7 |
| 2007 | 1 | 6 |
| 2008 | 5 | 4 |
| 2009 | 2 | 8 |
| 2010 | 3 | 2 |
| 2011 | 5 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 6 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 7 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 6 |
| 2024 | 7 | 7 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter structure and substrate treating system including filter structure12 May 2026US 12,628,601 B2Samsung Electronics Co., Ltd.
- Degassers, degassing systems and the methods of using them18 Feb 2025US 12,226,715 B2Versum Materials US, LLC
- Microporous polyolefin membranes from bespoke solvents24 Dec 2024US 12,172,137 B2Amtek Research International LLC
- Household water purifier3 Dec 2024US 12,157,680 B2YUNDA H&H TECH (Tianjin) CO., LTD.
- Device for cross flow filtration2 Jul 2024US 12,023,157 B2Mann+Hummel GmbH
- Microporous membrane, and preparation method therefor and application thereof6 Aug 2026US 2026/0229711 A1Shenzhen Senior Technology Material Co., Ltd.
- Separation membrane and manufacturing method therefor26 Feb 2026US 2026/0054229 A1Toray Industries, Inc.
- Polyolefin microporous membrane, method for manufacturing the microporous membrane, and separator including the microporous membrane3 Jul 2025US 2025/0219252 A1SK ie technology Co., Ltd.
- Porous hollow fiber membrane and method for producing porous hollow fiber membrane22 May 2025US 2025/0161883 A1Asahi Kasei Kabushiki Kaisha
- Cellulose nanofiber (cnf) stabilized membranes and methods of making thereof17 Oct 2024US 2024/0342665 A1University of Maine System Board of Trustees
Most cited
By later US patents
- Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions92US 5,356,728 AAmoco Corporation · 1994
- Process of manufacturing a microporous sheet material60US 4,237,083 AEvans Products Company · 1980
- 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
- Shutdown separators with improved properties28US 6,949,315 B12005
- Porous poly(aryl ether ketone) membranes, processes for their preparation and use thereof27US 6,887,408 B2Porogen Corporation · 2005