B01J 41/09
Organic material
B01J41/09 (Organic material) appears on 41 US grants and 45 published applications in this corpus.
Search patents in B01J- Granted patents
- 41
- Published applications
- 45
- Assignees
- 47
- Inventors
- 134
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 5 | 8 |
| 2021 | 3 | 2 |
| 2022 | 2 | 5 |
| 2023 | 3 | 2 |
| 2024 | 3 | 4 |
| 2025 | 4 | 4 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anion exchange polymers and membranes for electrolysis23 Dec 2025US 12,503,548 B2Uop LLC
- Separation media, devices and applications thereof7 Oct 2025US 12,434,232 B2The University of North Carolina at Charlotte
- Monovalent anion selective ion exchange membrane9 Sep 2025US 12,410,290 B2Toray Advanced Materials Korea Inc.
- Sorption agent, method of making a sorption agent and barrier system17 Jun 2025US 12,330,136 B2National Technology & Engineering Solutions of Sandia, LLC
- Anion exchange ionomer with a poyarylene backbone and anion exchange membrane incorporating same31 Dec 2024US 12,180,346 B2
- Ceramic ion exchange materials with hydrophobic groups3 Sep 2026US 2026/0257217 A1Membrion, Inc.
- Anion exchange polymer comprising 4-x-quinuclidinium structure, method for preparing same, and anion exchange membrane comprising same27 Aug 2026US 2026/0249282 A1Hd Hyundai Oilbank Co., Ltd.
- Water treatment apparatus and control method of water treatment apparatus20 Aug 2026US 2026/0242258 A1Samsung Electronics Co., Ltd.
- Anion Exchange Ionomer With A Poyarylene Backbone and Anion Exchange Membrane Incorporating Same30 Apr 2026US 2026/0117034 A1USA Fortescue IP, Inc.
- Purification of biological particles29 Jan 2026US 2026/0028597 A1Cytiva BioProcess R&D AB
Most cited
By later US patents
- Strong anion exchange composition and methods44US 4,430,496 AVarian Associates, Inc. · 1984
- Emulsion copolymer cation exchange resins42US 4,380,590 ARohm and Haas Company · 1983
- Method for anion-exchange adsorption and anion-exchangers19US 6,702,943 B1Amersham Biosciences AB · 2004
- Process for the selective absorption of anions15US 5,187,200 A1993
- Porous substances having ion exchange properties13US 3,969,261 ARhone-Progil · 1976