| |
 |
|
Class Information
Number: 423/178
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Alkaline earth metal (mg, ca, sr, or ba) > Mixture contains halogen or sulfur
Description: Processes wherein the original mixture contains a halogen or sulfur.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7595037 |
Method and apparatus for hydration of a particulate or pulverulent material containing CaO, hydrated product, and use of hydrated product |
Sep. 29, 2009 |
| 7553465 |
Cerium oxide powder and cerium oxide dispersion |
Jun. 30, 2009 |
| 7014832 |
Simultaneous recovery of potassium chloride and KCL enriched edible salt |
Mar. 21, 2006 |
| 6776972 |
Recovery of common salt and marine chemicals from brine |
Aug. 17, 2004 |
| 6622523 |
Method of converting halogenated compounds to glass |
Sep. 23, 2003 |
| 6482371 |
Process for separation of heavy metals and halogen from waste material or residue |
Nov. 19, 2002 |
| 6476287 |
Sulfite treatment of spent industrial wastes |
Nov. 5, 2002 |
| 6319482 |
Treatment of fly ASH/APC residues including lead salt recovery |
Nov. 20, 2001 |
| 5881359 |
Metal and fluorine values recovery from fluoride salt matrices |
Mar. 9, 1999 |
| 5851500 |
Removal of uranium contamination from magnesium fluoride slag |
Dec. 22, 1998 |
| 5516496 |
Metal and fluorine values recovery from fluoride salt matrices |
May. 14, 1996 |
| 5409680 |
Purification of aqueous alkali metal chlorate solutions |
Apr. 25, 1995 |
| 5324501 |
Method for the preparation of low-chloride plaster products from calcium-containing residues of flue-gas purification plants |
Jun. 28, 1994 |
| 5312604 |
Work-up of waste materials from barium or strontium sulfide leaching |
May. 17, 1994 |
| 5246687 |
Solid-state preparation of high purity barium sulfate |
Sep. 21, 1993 |
| 5120514 |
Process for production of magnesium chloride |
Jun. 9, 1992 |
| 5110474 |
Method for liquid chromatographic extraction of strontium from acid solutions |
May. 5, 1992 |
| 5089094 |
Process for the electrolytic production of magnesium |
Feb. 18, 1992 |
| 5066474 |
Method for sulfur dioxide production from calcium sulfate by entrained high-temperature slagging reduction |
Nov. 19, 1991 |
| 5055281 |
Process for the preparation of calcium fluosilicate as a raw material for obtaining calcium fluoride and pure fluosilicic acid |
Oct. 8, 1991 |
| 4956157 |
Process for separating salts in seawater |
Sep. 11, 1990 |
| 4946658 |
Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
Aug. 7, 1990 |
| 4874599 |
Magnesium fluoride recovery method |
Oct. 17, 1989 |
| 4838941 |
Magnesium cement |
Jun. 13, 1989 |
| 4734272 |
Phospho-gypsum recovery process |
Mar. 29, 1988 |
| 4698219 |
Treatment of waste from iron ore reduction |
Oct. 6, 1987 |
| 4608238 |
Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid |
Aug. 26, 1986 |
| 4584118 |
Metal trithiocarbonates as depressants |
Apr. 22, 1986 |
| 4564507 |
Reductive decontamination of magnesium fluoride |
Jan. 14, 1986 |
| 4563339 |
Process for the preparation of magnesium chloride for use as an electrolyte in electrolytic production of magnesium metal |
Jan. 7, 1986 |
| 4560812 |
Recovery of glycerine from saline waters |
Dec. 24, 1985 |
| 4526761 |
Apparatus for chlorination of molten magnesium chloride salts |
Jul. 2, 1985 |
| 4504092 |
Treatment of carnallitic ores |
Mar. 12, 1985 |
| 4503018 |
Desulfurization of phosphogypsum |
Mar. 5, 1985 |
| 4483827 |
Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
Nov. 20, 1984 |
| 4462976 |
Method for the treatment of chloride-containing waste waters |
Jul. 31, 1984 |
| 4415543 |
Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid |
Nov. 15, 1983 |
| 4379718 |
Process for separating solid particulates from a melt |
Apr. 12, 1983 |
| 4341752 |
Method for purification and concentration of MgCl.sub.2 -brines |
Jul. 27, 1982 |
| 4312842 |
Process of manufacture of phosphoric acid with recovery of co-products |
Jan. 26, 1982 |
| 4248839 |
Chlorination of impure magnesium chloride melt |
Feb. 3, 1981 |
| 4224291 |
Method of dehydrating carnallite |
Sep. 23, 1980 |
| 4180546 |
Process for removing phosphorus from phosphorus-containing fluorite |
Dec. 25, 1979 |
| 4171342 |
Recovery of calcium fluoride from phosphate operation waste water |
Oct. 16, 1979 |
| 4144311 |
Purifying salts containing organic pollutants |
Mar. 13, 1979 |
| 4144312 |
Desulfurization of fluorite ores |
Mar. 13, 1979 |
| 4076602 |
Method of producing magnesium metal and chlorine from MgCl.sub.2 containing brine |
Feb. 28, 1978 |
| 4056599 |
Process for the recovery of magnesium chloride hydrate and potassium chloride from carnallite and bischofite |
Nov. 1, 1977 |
| 3980536 |
Process for producing magnesium metal from magnesium chloride brines |
Sep. 14, 1976 |
| 3953574 |
Process for purifying molten magnesium chloride |
Apr. 27, 1976 |
|
|
|
