Y10S 71/03
Defluorination
Y10S71/03 (Defluorination) appears on 10 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 10
- Published applications
- 0
- Assignees
- 7
- Inventors
- 17
- Latest grant
- 23 Aug 1988
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Recovery of fluorine from waste gases23 Aug 1988US 4,765,822 AJames C. Barber and Associates, Inc.
- Process of producing defluorinated product from low BPL phosphate rock27 Dec 1983US 4,423,015 AOccidental Chemical Corporation
- Method of defluorinating phosphates20 Sep 1983US 4,405,575 A
- Water injection for control of fines for producing defluorinated phosphate rock granules27 May 1980US 4,205,049 AOlin Corporation
- Removal of fluorine during production of fertilizer27 Nov 1979US 4,175,944 AMobil Oil Corporation
No published applications in this class yet.
Most cited
By later US patents
- Preparation of monocalcium phosphate and phosphoric acid10US 4,160,657 APennzoil Company · 1979
- Alkaline decomposition process for producing calcined phosphate fertilizer7US 4,106,922 AKali-Chemie Aktiengesellschaft · 1978
- Recovery of fluorine from waste gases7US 4,765,822 AJames C. Barber and Associates, Inc. · 1988
- Defluorinated phosphate rock process using lime5US 4,101,636 AOlin Corporation · 1978
- Process for producing defluorinated phosphate rock granules2US 4,152,398 AOlin Corporation · 1979