C01F 7/0626
Processes making use of tube digestion only
C01F7/0626 (Processes making use of tube digestion only) appears on 4 US grants and 0 published applications in this corpus.
Search patents in C01F- Granted patents
- 4
- Published applications
- 0
- Assignees
- 3
- Inventors
- 4
- Latest grant
- 3 Mar 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the continuous production of alumina from bauxites containing monohydrates using the bayer process3 Mar 1987US 4,647,439 AAluminium Pechiney
- Arrangement for changing the temperature of fluids which form incrustations20 Mar 1979US 4,144,934 AVereinigte Aluminium-Werke Aktiengesellschaft
- Bauxite digestion by caustic alkali with improved heat transfer in tubular reactors20 Mar 1979US 4,145,398 AVereinigte Aluminium-Werke Aktiengesellschaft
- Method and arrangement for changing the temperature of fluids which form incrustations25 Oct 1977US 4,055,218 AVereinigte Aluminum-Werke Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Process for the continuous production of alumina from bauxites containing monohydrates using the bayer process4US 4,647,439 AAluminium Pechiney · 1987
- Bauxite digestion by caustic alkali with improved heat transfer in tubular reactors3US 4,145,398 AVereinigte Aluminium-Werke Aktiengesellschaft · 1979