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Class Information
Number: 23/304
Name: Chemistry: physical processes > Physical processes > Crystallization > Alkaline earth metal and magnesium compounds
Description: Processes in which the substance being crystallized is a compound of an alkaline earth metal or magnesium.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621968 |
Process for producing low sodium sea salt from seawater |
Nov. 24, 2009 |
| 7247284 |
Method and apparatus for regeneration of flue gas scrubber caustic solutions |
Jul. 24, 2007 |
| 7127913 |
Crystallisation of materials from aqueous solutions |
Oct. 31, 2006 |
| 7014832 |
Simultaneous recovery of potassium chloride and KCL enriched edible salt |
Mar. 21, 2006 |
| 6884269 |
Continuous method for manufacture of uniform size flake or powder |
Apr. 26, 2005 |
| 6881231 |
Reduction in mineral salt deposition |
Apr. 19, 2005 |
| 6723139 |
Method for recycling fine calcium fluoride powder |
Apr. 20, 2004 |
| 6660049 |
Process for control of crystallization of inorganics from aqueous solutions |
Dec. 9, 2003 |
| 6340373 |
Process for recovering and treating of aqueous solutions |
Jan. 22, 2002 |
| 6221322 |
Strontium nitrate and method for manufacturing same |
Apr. 24, 2001 |
| 6210803 |
Method for the production of a granulate for hemodialysis |
Apr. 3, 2001 |
| 5882361 |
Method for producing calcium chloride scales |
Mar. 16, 1999 |
| 5853686 |
Calcium carbonates of altered crystal habit or morphology and methods for producing same |
Dec. 29, 1998 |
| 5769906 |
Process for recovering the salt constituents from hardening-shop salt baths |
Jun. 23, 1998 |
| 5762901 |
Stabilized magnesium hydroxide slurry |
Jun. 9, 1998 |
| 5716419 |
Process for crystallization of mineral salts |
Feb. 10, 1998 |
| 5618511 |
Process for producing ammonium sulfate from flue-gas scrubber waste liquor |
Apr. 8, 1997 |
| 5607655 |
Olefin polymerization catalyst and precursor therefor |
Mar. 4, 1997 |
| 5575923 |
Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities |
Nov. 19, 1996 |
| 5514357 |
Stabilized magnesium hydroxide slurry |
May. 7, 1996 |
| 5514201 |
Microelement deficiency corrector for farmland and process for preparation thereof |
May. 7, 1996 |
| 5455018 |
Magnesium chloride particulates having unique morphology and olefin polymerization catalysts supported thereon |
Oct. 3, 1995 |
| 5447543 |
Process for crystallizing inorganic salts |
Sep. 5, 1995 |
| 5439662 |
Process for making MgCl.sub.2 MgO with narrow granulometric distribution, catalytic components containing the same, process of using such supports to polymerize olefins, and resultant polyolef |
Aug. 8, 1995 |
| 5296002 |
Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
Mar. 22, 1994 |
| 5281242 |
Method for recovering magnesium sulfate products from mixtures of epsomite and halite |
Jan. 25, 1994 |
| 5269818 |
Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof |
Dec. 14, 1993 |
| 5217565 |
Contactless heater floating zone refining and crystal growth |
Jun. 8, 1993 |
| 5211922 |
Process for the recovery of values from secondary aluminum dross |
May. 18, 1993 |
| 5198200 |
Process for the recovery of values from secondary aluminum dross |
Mar. 30, 1993 |
| 5173284 |
Process for preparation of purified calcium sulfate in an aqueous medium |
Dec. 22, 1992 |
| 5173088 |
Process for preparing crystals of anhydrous sodium sulfide |
Dec. 22, 1992 |
| 5106600 |
Process for producing tabular acicular gypsum crystals |
Apr. 21, 1992 |
| 5084254 |
Natural calcium carbonate ores |
Jan. 28, 1992 |
| 4851208 |
Process for the manufacture of spherical particles of metal compounds of group II of the periodic table |
Jul. 25, 1989 |
| 4723962 |
Process for recovering lithium from salt brines |
Feb. 9, 1988 |
| 4685935 |
Process for producing pure magnesium sulphite |
Aug. 11, 1987 |
| 4569677 |
Process for separating off calcium nitrate tetrahydrate by crystallization |
Feb. 11, 1986 |
| 4568352 |
Alkali metal nitrate purification |
Feb. 4, 1986 |
| 4533536 |
Process for the manufacture of potassium sulphate by treating solutions containing magnesium chloride and potassium chloride |
Aug. 6, 1985 |
| 4533360 |
Method of obtaining magnesium sulphate from mixtures of salts |
Aug. 6, 1985 |
| 4511485 |
Nonpolluting salts and method of making same |
Apr. 16, 1985 |
| 4477323 |
Method for recovering zinc from a sulfidic zinc source |
Oct. 16, 1984 |
| 4474737 |
Process of purification of magnesic raw material |
Oct. 2, 1984 |
| 4435183 |
Process for rapid dewatering and drying of calcium sulfate hemihydrate |
Mar. 6, 1984 |
| 4348372 |
Process for the recovery of calcium chloride from calcium hypochlorite process effluents |
Sep. 7, 1982 |
| 4348371 |
Process for the recovery of calcium salts from calcium hypochlorite process effluents |
Sep. 7, 1982 |
| 4341752 |
Method for purification and concentration of MgCl.sub.2 -brines |
Jul. 27, 1982 |
| 4333737 |
Reclamation of materials from photoflash cartridges |
Jun. 8, 1982 |
| 4315667 |
Fiber for optical transmission having single crystal core |
Feb. 16, 1982 |
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