B01J 47/015
Electron-exchangers
B01J47/015 (Electron-exchangers) appears on 13 US grants and 0 published applications in this corpus.
Search patents in B01J- Granted patents
- 13
- Published applications
- 0
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 27 Jan 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electrochemical separation utilizing metalloporphyrins and metallophthalocyanines27 Jan 1998US 5,711,867 ARennselaer Polytechnic Institute
- Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof28 Feb 1995US 5,393,724 ATosoh Corporation
- Magnetically stabilized fluidized particles in liquid media27 Jul 1993US 5,230,805 AAllied-Signal Inc.
- Deionization sorbent comprised of ion exchange resin and polymer binder and ferromagnetic substance12 Jan 1988US 4,719,242 AAllied-Signal Inc.
- Method for removing hydrogen sulfide from aqueous streams19 Jun 1984US 4,455,236 AGeneral Electric Company
No published applications in this class yet.
Most cited
By later US patents
- Method for removing hydrogen sulfide from aqueous streams24US 4,455,236 AGeneral Electric Company · 1984
- Redox resin process16US 3,976,571 ARhone-Poulenc Inc. · 1976
- Magnetically stabilized fluidized particles in liquid media14US 5,230,805 AAllied-Signal Inc. · 1993
- Process for removing oxidizable substance or reducible substance, composite containing metal oxide or hydroxide, and process for production thereof12US 5,393,724 ATosoh Corporation · 1995
- Borane reducing resins10US 4,311,812 ARohm and Haas Company · 1982