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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 101
23/304 Alkaline earth metal and magnesium compounds 65
23/295G Gel 14
23/305R Heavy metal or aluminum compounds 30
23/296 Selective 78
23/295S Solar 19
23/300 With added material 116
23/299 With extraction 30


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7608145 Method and apparatus of growing silicon single crystal and silicon wafer fabricated thereby Oct. 27, 2009
7547425 Cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds Jun. 16, 2009
7540884 Method for performing the purifying separation of crystals out their suspension in a mother liquor Jun. 2, 2009
7527773 Rare earth oxide nanocrystals and methods of forming May. 5, 2009
7514043 Pre-filled crystallization plates and methods for making and using same Apr. 7, 2009
7500995 Method for production of nitrate-containing products from undercooling melts Mar. 10, 2009
7427382 Cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds Sep. 23, 2008
7357835 Production of crystalline materials by using high intensity ultrasound Apr. 15, 2008
7354615 Method for producing mixed crystal of disodium 5'-guanylate and disodium 5'-inosinate Apr. 8, 2008
7323016 Regulation of a wash column in a melt crystallization process Jan. 29, 2008
7291295 Method for precipitating finely divided solid particles Nov. 6, 2007
7288125 Crystal growing kit and method Oct. 30, 2007
7285259 Sintering resistant catalyst material and a method for the preparation thereof Oct. 23, 2007
7247175 Method of purifying a pesticide Jul. 24, 2007
7189328 Method for extraction of dissolved trace materials from solution Mar. 13, 2007
7122083 Apparatus and process used in growing crystals Oct. 17, 2006
7122642 Method for producing crystal polymorphs and crystal polymorphs produced thereby Oct. 17, 2006
7097671 Method of cleaning industrial gases Aug. 29, 2006
7056356 Process for producing crystals Jun. 6, 2006
7041144 Hydrodynamic cavitation crystallization process May. 9, 2006
7014705 Microfluidic device with diffusion between adjacent lumens Mar. 21, 2006
7001526 Optical isomer separation method Feb. 21, 2006
7001438 Method for performing submicroliter crystallization experiments with high experiment to experiment precision Feb. 21, 2006
6951575 Method for performing high density submicroliter crystallization experiments Oct. 4, 2005
6932845 Method for performing submicroliter crystallization experiments Aug. 23, 2005
6916371 Apparatus for growing stoichiometric lithium niobate and lithium tantalate single crystals and method of growing the same Jul. 12, 2005
6911056 Method for diffracting crystals formed by submicroliter crystallization experiments Jun. 28, 2005
6893474 Purification process May. 17, 2005
6872250 Microvolume crystallization method employing multiple lumens Mar. 29, 2005
6866688 Process to make high-purity wet salt Mar. 15, 2005
6855176 Emulsion crystallisation with recycle Feb. 15, 2005
6843851 Compositions comprising pentamantanes and processes for their separation Jan. 18, 2005
6821306 Method for producing mixed crystals of disodium 5'-guanylate and disodium 5'-inosinate Nov. 23, 2004
6797056 Microfluidic method employing delivery of plural different fluids to same lumen Sep. 28, 2004
6780206 Crystallization process for producing highly concentrated hydrogen peroxide Aug. 24, 2004
6759521 Polarization switching to control crystal form Jul. 6, 2004
6716959 Device and method for treating plastic material Apr. 6, 2004
6689334 Process for reducing or avoiding foam production during chemical and physical materials conversion processes Feb. 10, 2004
6676712 Process for the concentration of aqueous hydrogen peroxide by crystallization Jan. 13, 2004
6630006 Method for screening microcrystallizations for crystal formation Oct. 7, 2003
6576831 Multicrystalline silicon having a low proportion of active grain borders Jun. 10, 2003
6558434 Method for cooling by altering crystal field interaction May. 6, 2003
6541426 Method to produce pesticide suspension concentrates Apr. 1, 2003
6500216 Method and apparatus for desalinating sea water, natural salt and fresh water Dec. 31, 2002
6495189 Process for producing fat composition Dec. 17, 2002
6464736 Recrystallization process Oct. 15, 2002
6454853 Process for the purification of organic products by fractionated crystallization at a variable circulation rate Sep. 24, 2002
6426406 Method for using laser light to control crystal form Jul. 30, 2002
6383233 Separation process May. 7, 2002
6364914 Method of crystallization with the particle size distribution being controlled Apr. 2, 2002

1 2 3 4 5


 
 
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