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Class Information
Number: 423/266
Name: Chemistry of inorganic compounds > With additive > For stabilizing crystal size or shape
Description: Products or processes in which the compound or nonmetallic element has a crystalline form and the substance serves to attain a desired crystal shape or size or to prevent change of the desired shape or size.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4562058 Process for crystallizing potassium sulfate Dec. 31, 1985
4560544 Process for the preparation of acicular .alpha.-FeOOH for magnetic recording materials Dec. 24, 1985
4559214 Particulate calcium carbonate Dec. 17, 1985
4552736 Potassium fluoride stabilized ammonium nitrate Nov. 12, 1985
4545967 Stabilized lanthanum sulphur compounds Oct. 8, 1985
4537699 Process for improving the rheological properties of a suspension of precipitated silica Aug. 27, 1985
4520116 Transparent aluminum oxynitride and method of manufacture May. 28, 1985
4520114 Production of metastable tetragonal zirconia May. 28, 1985
4501818 Process for the preparation of ceramic powders Feb. 26, 1985
4495164 Process for producing acicular magnetite or acicular maghemite Jan. 22, 1985
4491529 Heat accumulating agent Jan. 1, 1985
4489183 Stabilization of red phosphorus Dec. 18, 1984
4485180 High frequency dielectric ceramic compositions Nov. 27, 1984
4481300 Aluminum oxynitride having improved optical characteristics and method of manufacture Nov. 6, 1984
4478599 Method of continuously controlling crystal fines formation Oct. 23, 1984
4451383 Recyclable hot pad May. 29, 1984
4438083 Process for preparing magnesium nitrate hexahydrate and for thermally stabilizing ammonium nitrate using magnesium nitrate hexahydrate Mar. 20, 1984
4374102 Polymers for controlling soda ash crystal formation Feb. 15, 1983
4367207 Process for the preparation of finely divided precipitated calcium carbonate Jan. 4, 1983
4365011 Process for preparing pieces composed of solid electrolyte based on stabilized zircon and to pieces obtained by this process Dec. 21, 1982
4361491 Supercooled fluids and methods of producing such supercooled fluids Nov. 30, 1982
4360598 Zirconia ceramics and a method of producing the same Nov. 23, 1982
4337238 Method of growth of primary anhydrite crystals under moderate conditions Jun. 29, 1982
4331556 Heat storage material May. 25, 1982
4279655 Partially stabilized zirconia ceramics Jul. 21, 1981
4268490 Processes of making prilled ammonium nitrate compositions May. 19, 1981
4267879 Method for forming Glauber's salt crystals of reduced size by including a fluorine-containing surfactant May. 19, 1981
4247526 Method for preparing dicalcium phosphate dihydrate with improved stability Jan. 27, 1981
4244931 Dicalcium phosphate dihydrate with improved stability Jan. 13, 1981
4241000 Process for producing polycrystalline cubic aluminum oxynitride Dec. 23, 1980
4233283 Method for manufacture of iron oxide flakes Nov. 11, 1980
4220630 Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability Sep. 2, 1980
4211759 High-density sodium perborate and method of preparation Jul. 8, 1980
4205051 Stabilized zirconia for oxygen ion-conductive solid electrolyte May. 27, 1980
4202871 Production of acicular ferric oxide May. 13, 1980
4201756 Granular calcium hypochlorite coated with an inorganic salt May. 6, 1980
4196172 Hemihydrate type phosphoric acid process Apr. 1, 1980
4183908 Crystalline calcium sulfate dihydrate and process for making same Jan. 15, 1980
4153469 Monocrystals based on stabilized zirconium or hafnium dioxide and method of production thereof May. 8, 1979
4140748 Hemihydrate type phosphoric acid process with crystal modifier Feb. 20, 1979
4132554 Method for producing a sintered compact of boron nitride with high density form Jan. 2, 1979
4115134 Transparent yttria ceramics and method for producing same Sep. 19, 1978
4105758 Oral compositions containing an anticalculus agent Aug. 8, 1978
4048087 Crystallizing solution and method of preparation thereof Sep. 13, 1977
4044103 Storage-stable sodium chlorite Aug. 23, 1977
4036653 Amorphous silicon nitride composition containing carbon, and vapor phase process Jul. 19, 1977
4031190 High strength halide alloys Jun. 21, 1977
4016090 Stable bleaching composition Apr. 5, 1977
4006095 Stable hydrocarbon solutions of aluminum hydride Feb. 1, 1977
3989872 Plasma spray powders Nov. 2, 1976

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