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Class Information
Number: 423/432
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Oxygen containing > Carbonate or bicarbonate > Alkaline earth metal containing (mg, ca, sr, or ba) > By reacting oxide or hydroxide of the metal
Description: Processes which include the step of reacting an oxide or a hydroxide that contains the metal of the carbonate product.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5399329 Hydrotalcite-like materials having a sheet-like morphology and process for production thereof Mar. 21, 1995
5376343 Production of purified calcium carbonate Dec. 27, 1994
5364610 Process for preparation of high opacity precipitated calcium carbonate by reacting sodium carbonate with calcium hydroxide Nov. 15, 1994
5362457 Direct synthesis of anion substituted hydrotalcite Nov. 8, 1994
5342600 Precipitated calcium carbonate Aug. 30, 1994
5332564 Process for production of rhombic shaped precipitated calcium carbonate Jul. 26, 1994
5296002 Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof Mar. 22, 1994
5292495 Porous particles of calcium carbonate and method for the preparation thereof Mar. 8, 1994
5290353 Vaterite and production method Mar. 1, 1994
5275651 Monodisperse vaterite type calcium carbonate, its manufacturing method and method of controlling growth of particles and shape thereof Jan. 4, 1994
5269818 Rhombohedral calcium carbonate and accelerated heat-aging process for the production thereof Dec. 14, 1993
5250279 Method for the manufacture of hydrotalcite Oct. 5, 1993
5232678 Precipitated calcium carbonate Aug. 3, 1993
5207997 Process for producing an inorganic barium-containing solids composition May. 4, 1993
5164172 Process for producing aragonite crystal form calcium carbonate with acicular shape Nov. 17, 1992
5120521 Method of producing colored precipitated calcium carbonate Jun. 9, 1992
5092929 Process of treating residues obtained by purification of exhaust gas Mar. 3, 1992
5075093 Calcium carbonate in a platelet-like particulate form and a method for the preparation thereof Dec. 24, 1991
5059407 Liquid carbon dioxide injection in exothermic chemical reactions Oct. 22, 1991
5047119 Method of stabilizing white liquor flow in the causticizing of green liquor from a kraft paper plant Sep. 10, 1991
5007964 Calcium carbonate, calcium carbonate pigment, process for preparing same, coating composition for information recording paper and information recording paper Apr. 16, 1991
4927618 Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate May. 22, 1990
4900533 Alkaline earth metal carbonates Feb. 13, 1990
4894217 Process for causticizing of an aqueous solution containing alkali carbonate Jan. 16, 1990
4888160 Process for producing calcium carbonate and products thereof Dec. 19, 1989
4824654 Process of producing needle-shaped calcium carbonate particles Apr. 25, 1989
4797379 Electrode structure and method of making same Jan. 10, 1989
4762590 Causticizing process Aug. 9, 1988
4760138 Carbonating agents and their preparation Jul. 26, 1988
4714603 Spherically shaped precipitated calcium carbonate, its preparation and use Dec. 22, 1987
4668342 Recausticizing kraft green liquor May. 26, 1987
4627888 Causticizing method Dec. 9, 1986
4626426 Process for the manufacture of caustic soda Dec. 2, 1986
4559214 Particulate calcium carbonate Dec. 17, 1985
4451443 Causticization method May. 29, 1984
4370307 Preparation of pure magnesian values Jan. 25, 1983
4367207 Process for the preparation of finely divided precipitated calcium carbonate Jan. 4, 1983
4351814 Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof Sep. 28, 1982
4244933 Calcium carbonate particles and processes for preparing same Jan. 13, 1981
4237147 Stabilized amorphous calcium carbonate Dec. 2, 1980
4229309 Magnesium-containing dispersions Oct. 21, 1980
4219360 Production of bone china Aug. 26, 1980
4210626 Manufacture of magnesium carbonate and calcium sulphate from brine mud Jul. 1, 1980
4192758 Overbased magnesium sulfonate process Mar. 11, 1980
4157379 Process for producing chain structured corpuscular calcium carbonate Jun. 5, 1979
4140602 Method for obtaining carbon dioxide from the atmosphere and for production of fuels Feb. 20, 1979
4133894 Process for preparing precipitated calcium carbonate Jan. 9, 1979
4124688 Process for preparing cubic crystals of calcium carbonate Nov. 7, 1978
4018877 Production of calcium carbonate Apr. 19, 1977
4017391 Water treatment system Apr. 12, 1977

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