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Class Information
Number: 23/303
Name: Chemistry: physical processes > Physical processes > Crystallization > Alkali metal and ammonium compounds > Common salt
Description: Processes in which the substance being crystallized is sodium chloride.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7186394 |
Retarding agents for preparing purified brine |
Mar. 6, 2007 |
| 7014832 |
Simultaneous recovery of potassium chloride and KCL enriched edible salt |
Mar. 21, 2006 |
| 6896807 |
Capacitor electrolyte recovery |
May. 24, 2005 |
| 6890509 |
Process for recovery of low sodium salt from bittern |
May. 10, 2005 |
| 6649027 |
Water reclamation system |
Nov. 18, 2003 |
| 6500216 |
Method and apparatus for desalinating sea water, natural salt and fresh water |
Dec. 31, 2002 |
| 6478828 |
Process for the crystallization of an inorganic substance |
Nov. 12, 2002 |
| 6267789 |
Method for enriching raw salt |
Jul. 31, 2001 |
| 6210803 |
Method for the production of a granulate for hemodialysis |
Apr. 3, 2001 |
| 6027607 |
Salt extraction process and device |
Feb. 22, 2000 |
| 5984981 |
Salt making method and apparatus |
Nov. 16, 1999 |
| 5846501 |
Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate |
Dec. 8, 1998 |
| 5769906 |
Process for recovering the salt constituents from hardening-shop salt baths |
Jun. 23, 1998 |
| 5651796 |
Method for producing low bulk density hollow fine powder of alkali metal compound |
Jul. 29, 1997 |
| 5478515 |
Salt block release agents |
Dec. 26, 1995 |
| 5474581 |
Method for producing an aqueous sodium chloride solution and use thereof |
Dec. 12, 1995 |
| 5447543 |
Process for crystallizing inorganic salts |
Sep. 5, 1995 |
| 5395559 |
Granulated ammonium nitrate products |
Mar. 7, 1995 |
| 5366514 |
Salt plant evaporation |
Nov. 22, 1994 |
| 5330618 |
Process for separating dissolved solids from a liquid using an anti-solvent and multiple effect evaporators |
Jul. 19, 1994 |
| 5300123 |
Method of reforming soluble salts to effect purification and increase crystal size thereof |
Apr. 5, 1994 |
| 5296000 |
Process and equipment for crystallizing an inorganic substance |
Mar. 22, 1994 |
| 5221528 |
Process for the preparation of sodium chloride |
Jun. 22, 1993 |
| 5169406 |
Method and a device for preparing brine |
Dec. 8, 1992 |
| 5021079 |
Sodium chloride in novel crystal form and aqueous solution containing the same |
Jun. 4, 1991 |
| 4950310 |
Process for the preparation of crystalline sheet sodium silicates |
Aug. 21, 1990 |
| 4797981 |
Process for the production of salt |
Jan. 17, 1989 |
| 4747917 |
Scale-free process for purifying concentrated alkali metal halide brines containing sulfate ions as an impurity |
May. 31, 1988 |
| 4655941 |
Method of preparing mixed electrolyte powder for bicarbonate dialysis and powder mixture formed |
Apr. 7, 1987 |
| 4563340 |
Process for the secondary obtention of sodium carbonate from FLP waste liquor |
Jan. 7, 1986 |
| 4548614 |
Solvent precipitation of salt |
Oct. 22, 1985 |
| 4547197 |
Treatment of brine elutriate |
Oct. 15, 1985 |
| 4541832 |
Process for producing high purity sodium chloride from potassium mineral flotation tailings |
Sep. 17, 1985 |
| 4533536 |
Process for the manufacture of potassium sulphate by treating solutions containing magnesium chloride and potassium chloride |
Aug. 6, 1985 |
| 4334886 |
Method of manufacturing table salt |
Jun. 15, 1982 |
| 4306880 |
Recovering by-products from sea water brines and the like |
Dec. 22, 1981 |
| 4276117 |
Process of treating potassium chloride brine by evaporation and crystallization |
Jun. 30, 1981 |
| 4224035 |
Method of separating salts from solution |
Sep. 23, 1980 |
| 4210421 |
Method for reducing kcl tailings loss from evaporation |
Jul. 1, 1980 |
| 4088451 |
Concentration of underground brines in situ by solar evaporation |
May. 9, 1978 |
| 4087253 |
Method of obtaining caustic soda from a sodium chloride liquor containing sulphate ions recovered from an electrolytic cell |
May. 2, 1978 |
| 4072472 |
Production of high purity salt from high sulfate salt deposits |
Feb. 7, 1978 |
| 4065270 |
Process for purifying sodium hydroxide |
Dec. 27, 1977 |
| 4026676 |
Process for producing salt having a reduced calcium sulfate content |
May. 31, 1977 |
| 3986923 |
Removal of dissolved salts from sulphide liquors |
Oct. 19, 1976 |
| 3981818 |
Crystalline materials |
Sep. 21, 1976 |
| 3977835 |
Cooling process for selective salt crystallization |
Aug. 31, 1976 |
| 3967930 |
Separation of complex potassium salts from brine evaporites |
Jul. 6, 1976 |
| 3966539 |
Process for extracting dissolved salts from water |
Jun. 29, 1976 |
| 3966541 |
Concentration of underground brines in situ by solar evaporation |
Jun. 29, 1976 |
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