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Class Information
Number: 423/197
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Alkali metal (li, na, k, rb, or cs) > Forming insoluble substance in liquid > Halogenating
Description: Processes including the step of chemically forming a compound containing a halogen.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7547426 |
Production of lithium compounds directly from lithium containing brines |
Jun. 16, 2009 |
| 7449161 |
Production of lithium compounds directly from lithium containing brines |
Nov. 11, 2008 |
| 7041268 |
Process for recovery of sulphate of potash |
May. 9, 2006 |
| 7037481 |
Production of ultra pure salt |
May. 2, 2006 |
| 6890509 |
Process for recovery of low sodium salt from bittern |
May. 10, 2005 |
| 6776972 |
Recovery of common salt and marine chemicals from brine |
Aug. 17, 2004 |
| 6610262 |
Depletion mode SCR for low capacitance ESD input protection |
Aug. 26, 2003 |
| 6524546 |
Process for making calcium chlorides |
Feb. 25, 2003 |
| 6409980 |
Process and apparatus for treating foundry sludge to recover magnesium |
Jun. 25, 2002 |
| 6319482 |
Treatment of fly ASH/APC residues including lead salt recovery |
Nov. 20, 2001 |
| 5639559 |
Preparation of chlorite |
Jun. 17, 1997 |
| 5348689 |
Molten salt destruction of alkali and alkaline earth metals |
Sep. 20, 1994 |
| 5227143 |
Process for the removal of salts from aluminum dross |
Jul. 13, 1993 |
| 5221528 |
Process for the preparation of sodium chloride |
Jun. 22, 1993 |
| 4938934 |
Recovery of cesium chloride from pollucite ore |
Jul. 3, 1990 |
| 4777030 |
Process for recovery of silicon from a reaction mixture |
Oct. 11, 1988 |
| 4655828 |
Separation of metallic lithium |
Apr. 7, 1987 |
| 4610722 |
Process for metal recovery from steel plant dust |
Sep. 9, 1986 |
| 4504092 |
Treatment of carnallitic ores |
Mar. 12, 1985 |
| 4323436 |
Purification of aqueous solution of potassium chloride |
Apr. 6, 1982 |
| 4320104 |
Process for the production of hydrogen cyanide |
Mar. 16, 1982 |
| 4196140 |
Recovery of waste streams containing recoverable chlorine |
Apr. 1, 1980 |
| 4192853 |
Method for processing wastes resulting from production of phosphorus |
Mar. 11, 1980 |
| 4180547 |
Process for recovery of chemicals from saline water |
Dec. 25, 1979 |
| 4129642 |
Process for the production of potassium sulfate |
Dec. 12, 1978 |
| 4031184 |
Process for reclaiming cement kiln dust and recovering chemical values therefrom |
Jun. 21, 1977 |
| 4020240 |
Electrochemical cell with clovoborate salt in electrolyte and method of operation and composition of matter |
Apr. 26, 1977 |
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