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Class Information
Number: 23/308S
Name: Chemistry: physical processes > Physical processes > Melting out > Sulfur
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5651896 |
Sulfur separation system with interface control |
Jul. 29, 1997 |
| 4939817 |
Process and device for separating a sulfur-lye suspension |
Jul. 10, 1990 |
| 4923482 |
Process for separating sulfur from ore |
May. 8, 1990 |
| 4876079 |
Separation of a mixture of sulfur and alkaline solution and apparatus therefor |
Oct. 24, 1989 |
| 4730369 |
Method and apparatus for melting and recovering sulfur in aqueous slurries |
Mar. 15, 1988 |
| 4497635 |
Sulfur remelting |
Feb. 5, 1985 |
| 4304570 |
Method of separation of sulfur from a scrubbing liquid |
Dec. 8, 1981 |
| 4215996 |
Controlling sulfur particle hardness |
Aug. 5, 1980 |
| 4206181 |
Pressure vessel for separating sulfur from an aqueous sulfur suspension |
Jun. 3, 1980 |
| 4158039 |
Pressure vessel for separating sulfur from an aqueous sulfur suspension |
Jun. 12, 1979 |
| 4111805 |
Separation of solvent from liquid sulfur |
Sep. 5, 1978 |
| 4027656 |
Sulphur melting apparatus and method |
Jun. 7, 1977 |
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