C01B 25/463
The extracting agent being a ketone or a mixture of ketones
Official title: {the extracting agent being a ketone or a mixture of ketones}
C01B25/463 (The extracting agent being a ketone or a mixture of ketones) appears on 7 US grants and 0 published applications in this corpus.
Search patents in C01B- Granted patents
- 7
- Published applications
- 0
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 30 Apr 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for recovering a uranium-containing concentrate and purified phosphoric acid from a wet process phosphoric acid containing uranium30 Apr 1985US 4,514,365 AStamicarbon B. V.
- Process for recovering a uranium-containing concentrate and purified phosphoric acid22 May 1984US 4,450,142 AStamicarbon B. V.
- Extraction18 Aug 1981US 4,284,606 ARTL Contactor Holding S.A.
- Process for purifying phosphoric acid7 Jul 1981US 4,277,455 AAlbright & Wilson Limited
- Purification and conversion of phosphoric acid to ammonium phosphates2 Dec 1980US 4,236,911 ATennessee Valley Authority
No published applications in this class yet.
Most cited
By later US patents
- Purification and conversion of phosphoric acid to ammonium phosphates14US 4,236,911 ATennessee Valley Authority · 1980
- Partial purification of wet-process phosphoric acid with acetone and ammonia12US 4,152,402 ATennessee Valley Authority · 1979
- Extraction7US 4,284,606 ARTL Contactor Holding S.A. · 1981
- Process for recovering a uranium-containing concentrate and purified phosphoric acid5US 4,450,142 AStamicarbon B. V. · 1984
- Process for recovering a uranium-containing concentrate and purified phosphoric acid from a wet process phosphoric acid containing uranium4US 4,514,365 AStamicarbon B. V. · 1985