B01J 41/13
Obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
Official title: obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
B01J41/13 (Obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds) appears on 158 US grants and 228 published applications in this corpus.
Search patents in B01J- Granted patents
- 158
- Published applications
- 228
- Assignees
- 167
- Inventors
- 513
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 0 | 8 |
| 2014 | 4 | 8 |
| 2015 | 11 | 12 |
| 2016 | 10 | 17 |
| 2017 | 12 | 20 |
| 2018 | 14 | 14 |
| 2019 | 10 | 12 |
| 2020 | 15 | 22 |
| 2021 | 9 | 14 |
| 2022 | 7 | 16 |
| 2023 | 10 | 13 |
| 2024 | 16 | 13 |
| 2025 | 12 | 18 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Structured organic films containing imidazolium having cationic charge functionality and methods thereof21 Jul 2026US 12,686,743 B2Genesee Valley Innovations, LLC
- Physically reinforced structured organic film (SOF) anion exchange membranes (AEMs)12 May 2026US 12,623,212 B2Xerox Corporation
- Method for producing anion exchange resin and method for producing electrolyte membrane12 May 2026US 12,624,157 B2Takahata Precision Co., Ltd.
- Polymers for use as anion exchange membranes5 May 2026US 12,617,889 B1Envision Energy USA Ltd.
- Ion selective membranes for organic electrochemical processes14 Apr 2026US 12,600,858 B2University of Virginia Patent Foundation
- Porous organic materials for iodine remediation in water10 Sep 2026US 2026/0265085 A1
- Amino-group-containing fiber, method of producing amino-group-containing fiber, product using amino-group-containing fiber, formed body, carbon dioxide sorbent including formed body, method of using carbon dioxide sorbent, and carbon dioxide separation/capture device30 Jul 2026US 2026/0216697 A1Toyobo Co., Ltd.
- Polymer and manufacturing method thereof and material for anion exchange comprising the same30 Jul 2026US 2026/0217915 A1Hanwha Solutions Corporation
- Polyimide Membranes with Tunable Functionalization for Selective Removal of Per- and Polyfluoroalkyl Substances (PFAS)23 Jul 2026US 2026/0208122 A1Polykala Technologies, LLC
- Poly(aryl piperidinium) copolymer ionomer grafted with propargyl group, cross-linked anion-exchange membrane, and method for preparing same11 Jun 2026US 2026/0159628 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
Most cited
By later US patents
- Sulfonamide bonded hydrophilic coatings58US 5,389,449 APerSeptive Biosystems, Inc. · 1995
- Materials and methods for the purification of polyelectrolytes, particularly nucleic acids49US 6,562,573 B22003
- Positively charged membrane47US 6,780,327 B1Pall Corporation · 2004
- Positively charged membrane34US 6,851,561 B2Pall Corporation · 2005
- Positively charged membrane23US 7,396,465 B2Pall Corporation · 2008