B01J 49/45
Of amphoteric ion-exchangers
Official title: of amphoteric ion-exchangers
B01J49/45 (Of amphoteric ion-exchangers) appears on 11 US grants and 5 published applications in this corpus.
Search patents in B01J- Granted patents
- 11
- Published applications
- 5
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 19 Jun 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 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 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process, method and plant for recovering scandium19 Jun 2018US 10,000,825 B2Clean TeQ Pty Ltd
- Ampholytic polymeric system25 Jul 2017US 9,714,313 B2Afira IPR B.V.
- Process for separating a charged species from an aqueous system26 Feb 2013US 8,382,989 B2Afira IPR B.V.
- Method of making thermally regenerable salt sorbent resins13 Nov 2007US 7,294,654 B2Novation Environmental Technologies, Inc.
- Ion exchange resin29 May 1984US 4,451,581 ACommonwealth Scientific and Industrial Research Organization
- A Process, Method and Plant for Recovering Scandium29 Oct 2015US 2015/0307966 A1Clean TeQ Pty Ltd
- Ampholytic polymeric system10 Jul 2014US 2014/0190893 A1Afira IPR B.V.
- Process for separating a charged species from an aqueous system23 Sep 2010US 2010/0237019 A1Dolphys Technologies B.V.
- Amphoteric ion exchangers for the adsorption of oxo anions18 Oct 2007US 2007/0241056 A1
- Method of making thermally regenerable salt sorbent resins20 Oct 2005US 2005/0234141 A1Novation Environmental Technologies, Inc.
Most cited
By later US patents
- Ion exchange processes and products21US 4,246,355 AICI Australia Limited · 1981
- Process for the polymerization of polyallylamines in the presence of a mineral acid solution17US 4,121,986 ACommonwealth Scientific and Industrial Research Organization · 1978
- Process for demineralizing saline solutions15US 4,206,051 ACommonwealth Scientific and Industrial Research Organization · 1980
- Purification of saline solutions15US 4,378,439 AICI Australia Limited · 1983
- Ion exchange products and processes using crosslinked allylamine copolymers6US 4,167,610 AICI Australia Limited · 1979