| |
 |
|
Class Information
Number: 423/163
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Alkaline earth metal (mg, ca, sr, or ba) > 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 |
| 6814947 |
Method for producing calcium compounds containing water of crystallization |
Nov. 9, 2004 |
| 6797249 |
Process for the preparation of amorphous silica |
Sep. 28, 2004 |
| 6692710 |
Method for obtaining magnesium by leaching a laterite material |
Feb. 17, 2004 |
| 6622523 |
Method of converting halogenated compounds to glass |
Sep. 23, 2003 |
| 6524546 |
Process for making calcium chlorides |
Feb. 25, 2003 |
| 6497850 |
Recovery of lithium compounds from brines |
Dec. 24, 2002 |
| 6425973 |
Treatment of solid containing material derived from effluent |
Jul. 30, 2002 |
| 6193945 |
Method of recovering calcium from waste material or contaminated natural calcic material |
Feb. 27, 2001 |
| 6143260 |
Method for removing magnesium from brine to yield lithium carbonate |
Nov. 7, 2000 |
| 6042794 |
Process for producing anhydrous MgCl.sub.2 |
Mar. 28, 2000 |
| 6001316 |
Method for treatment of waste material and recovering MgCl.sub.2 |
Dec. 14, 1999 |
| 5980854 |
Method for the production of a magnesium chloride solution |
Nov. 9, 1999 |
| 5939035 |
Process for treating spent potlining containing inorganic matter |
Aug. 17, 1999 |
| 5514359 |
Process for making anhydrous magnesium chloride |
May. 7, 1996 |
| 5362461 |
Method for recovering calcium fluoride from fluoroetchant |
Nov. 8, 1994 |
| 5350495 |
Method for separating impurities from an aqueous alkali metal chlorate electrolyte |
Sep. 27, 1994 |
| 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 |
| 5120514 |
Process for production of magnesium chloride |
Jun. 9, 1992 |
| 5112499 |
Process for treating pond water |
May. 12, 1992 |
| 5112584 |
Method for production of magnesium chloride |
May. 12, 1992 |
| 5106509 |
Process for the removal of fluoride from waste water |
Apr. 21, 1992 |
| 5102633 |
Method for reducing impurities in hexammine cobalt halide compounds |
Apr. 7, 1992 |
| 5091161 |
Production of pure magnesium chloride solution from siliceous magnesium minerals |
Feb. 25, 1992 |
| 5089094 |
Process for the electrolytic production of magnesium |
Feb. 18, 1992 |
| 4937065 |
Process for the chemical-thermal degradation of haolgenated hydrocarbons |
Jun. 26, 1990 |
| 4931229 |
Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellants |
Jun. 5, 1990 |
| 4879101 |
Method for producing a magnesia powder for use as an electrical insulating material |
Nov. 7, 1989 |
| 4838941 |
Magnesium cement |
Jun. 13, 1989 |
| 4800003 |
Production of magnesium metal from magnesium containing materials |
Jan. 24, 1989 |
| 4777030 |
Process for recovery of silicon from a reaction mixture |
Oct. 11, 1988 |
| 4743347 |
Production of pure MgCl.sub.2 solution suitable for the production of magnesium metal from an impure magnesite ore or concentrate |
May. 10, 1988 |
| 4666688 |
Method for recovery and conversion of strontium sulfate to strontium carbonate from low and medium grade celestite ores |
May. 19, 1987 |
| 4610722 |
Process for metal recovery from steel plant dust |
Sep. 9, 1986 |
| 4441993 |
Flotation process |
Apr. 10, 1984 |
| 4414185 |
Process for calcium fluoride production from industrial waste waters |
Nov. 8, 1983 |
| 4374810 |
Recovery of fluorine from pond water of wet process phosphoric acid plants and recycling of defluorinated water |
Feb. 22, 1983 |
| 4341752 |
Method for purification and concentration of MgCl.sub.2 -brines |
Jul. 27, 1982 |
| 4320012 |
Neutralization of phosphoric acid waste waters |
Mar. 16, 1982 |
| 4289736 |
Filtering of precipitating silica |
Sep. 15, 1981 |
| 4243643 |
Metallic ion removal from phosphoric acid |
Jan. 6, 1981 |
| 4226710 |
Process for purifying water containing fluoride ion |
Oct. 7, 1980 |
| 4201750 |
Processing of breunnerite to recover magnesium compounds |
May. 6, 1980 |
| 4200618 |
Preparation of magnesium chloride |
Apr. 29, 1980 |
| 4195070 |
Preparation of a MgCl.sub.2 solution for Nalco's MgCl.sub.2 process from MgSO.sub.4 and other MgSO.sub.4 salts |
Mar. 25, 1980 |
| 4171342 |
Recovery of calcium fluoride from phosphate operation waste water |
Oct. 16, 1979 |
| 4145282 |
Process for purifying waste water containing fluoride ion |
Mar. 20, 1979 |
| 4140747 |
Process for the production of potassium chloride and magnesium chloride from carnallite |
Feb. 20, 1979 |
| 4136199 |
Metallic ion removal from phosphoric acid |
Jan. 23, 1979 |
| 4120737 |
Manufacture of calcium sulphate alpha hemihydrate |
Oct. 17, 1978 |
|
|
|
