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Class Information
Number: 23/295R
Name: Chemistry: physical processes > Physical processes > Crystallization
Description:










Sub-classes under this class:

Class Number Class Name Patents
23/302R Alkali metal and ammonium compounds 112
23/304 Alkaline earth metal and magnesium compounds 76
23/295G Gel 14
23/305R Heavy metal or aluminum compounds 34
23/296 Selective 92
23/295S Solar 22
23/300 With added material 131
23/299 With extraction 38


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8663342 Process for producing nitrogen-containing composition Mar. 4, 2014
8658123 Method for producing a coarse-grained ammonium sulfate product via crystallization and installation for operating the method Feb. 25, 2014
8636973 Method of producing pharmacologically pure crystals Jan. 28, 2014
8603192 Selective salt recovery from mixed salt brine Dec. 10, 2013
8580036 Method and apparatus for refining a molten material Nov. 12, 2013
8475540 Multi-stage system for reaction and melt coalescence and separation Jul. 2, 2013
8460401 Method of atomization Jun. 11, 2013
8454926 Method and system for separation of solute from an aqueous solution Jun. 4, 2013
8425625 Crystallization method and crystallization apparatus Apr. 23, 2013
8425626 Method for processing molasses Apr. 23, 2013
8414662 Salt brine capillary crystallization Apr. 9, 2013
8414858 Method for solid state crystal growth Apr. 9, 2013
8414843 Forced-circulation crystallizer Apr. 9, 2013
8394153 Apparatus for producing nitrate granules Mar. 12, 2013
8388702 Convective dissolution of salts in situ ponds Mar. 5, 2013
8372162 Method of producing sodium carbonate decahydrate Feb. 12, 2013
8366793 Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products Feb. 5, 2013
8357211 ADR salt pill design and crystal growth process for hydrated magnetic salts Jan. 22, 2013
8353969 Methods for crystallization by controlled evaporation Jan. 15, 2013
8337571 Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite Dec. 25, 2012
8333809 Method of purifying ionic liquids Dec. 18, 2012
8323359 Multi-stage crystallization apparatus and method Dec. 4, 2012
8288022 Perovskite phosphor film Oct. 16, 2012
8282690 Process for the preparation of solar salt having high purity and whiteness Oct. 9, 2012
8252120 Washing apparatus, a method of purifying a wash material and use of the washing apparatus Aug. 28, 2012
8241371 Method of creating crystalline substances Aug. 14, 2012
8236066 Method and configuration for melting silicon Aug. 7, 2012
8222475 Method for treating radioactive waste water Jul. 17, 2012
8178066 Method for stabilizing calcium phosphates fine particles, method for manufacturing calcium phosphates fine particles by using the method, and use thereof May. 15, 2012
8172911 Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates May. 8, 2012
8163039 Fluoride drying method Apr. 24, 2012
8152864 Method for production of high purity copper sulfate Apr. 10, 2012
8080196 Method and apparatus to achieve crystallization of polymers utilizing multiple processing systems Dec. 20, 2011
8052763 Method for removing dissolved solids from aqueous waste streams Nov. 8, 2011
8034312 Purification of phosphoric acid rich streams Oct. 11, 2011
8021441 Method of vaporizing solid organometallic compound Sep. 20, 2011
7993416 Pre-filled crystallization plates and methods for making and using same Aug. 9, 2011
7981388 Process for the purification of lithium salts Jul. 19, 2011
7972390 Methods for controlling crystal growth, crystallization, structures and phases in materials and systems Jul. 5, 2011
7927385 Processing of fine silicon powder to produce bulk silicon Apr. 19, 2011
7901466 Method for preparing a suspension containing phosphate Mar. 8, 2011
7901467 Process for treatment of metal surfaces Mar. 8, 2011
7892298 Method for producing high purity caustic potash Feb. 22, 2011
7887603 High purity copper sulfate and method for production thereof Feb. 15, 2011
7883551 Process for carrying out crystallization Feb. 8, 2011
7879115 Method for using a static electric field to induce crystallization and to control crystal form Feb. 1, 2011
7875086 Separation of fullerene C.sub.60 and C.sub.70 using crystallization Jan. 25, 2011
7846216 Method for making colloidal nanocrystals Dec. 7, 2010
7824565 Urea composition having reduced compressibility, cake formation and dust formation, and process for its preparation Nov. 2, 2010
7771493 Process for crystallising amorphous plastic granulates Aug. 10, 2010

1 2 3 4 5 6










 
 
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