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Class Information
Number: 423/490
Name: Chemistry of inorganic compounds > Halogen or compound thereof > Binary fluorine containing compound > Alkali or alkaline earth metal containing
Description: Products and processes in which the other element of the binary compound is lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium or barium.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8709370 Method and system for producing fluoride gas and fluorine-doped glass or ceramics Apr. 29, 2014
8679318 Electrolyte supplement system in aluminium electrolysis process and method for preparing the same Mar. 25, 2014
8618008 Ca--La--F based transparent ceramic, Ca--La--F based transparent ceramic, optical element, optical system, and ceramic-forming composition Dec. 31, 2013
8562874 Method for preparation of well-dispersed, discrete nanoparticles by spray drying techniques Oct. 22, 2013
8303928 Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the same Nov. 6, 2012
8206679 Method for producing Ca-La-F based transparent ceramic, Ca-La-F based transparent ceramic, optical element, optical system, and ceramic-forming composition Jun. 26, 2012
7968074 Method for making low-stress large-volume crystals with reduced stress birefringence and more uniform refractive index and crystals made thereby Jun. 28, 2011
7955578 Method and apparatus for treating gas containing flourine-containing compounds Jun. 7, 2011
7947243 Boron nitride thin-film emitter and production method thereof, and electron emitting method using boron nitride thin-film emitter May. 24, 2011
7875752 Recovery method for catalysts, reagents and co-products Jan. 25, 2011
7875311 Magnesium aluminate transparent ceramic having low scattering and absorption loss Jan. 25, 2011
7837969 Method of making large-volume CaF.sub.2 single crystals for optical elements with an optic axis parallel to the (100)-or (110)-crystal axis and CaF.sub.2 single crystal made thereby Nov. 23, 2010
7837783 Fluorspar-based filler and method for making the same Nov. 23, 2010
7829058 Process for the purification of (hydro) halocarbons Nov. 9, 2010
7670579 Nanostructured bioactive materials prepared by dual nozzle spray drying techniques Mar. 2, 2010
7618488 Fluorspar-based filler and method for making the same Nov. 17, 2009
7618487 Fluorspar-based filler and method for making the same Nov. 17, 2009
7569206 Group III nitride compositions Aug. 4, 2009
7534412 Large-volume CaF.sub.2 single crystals with reduced scattering and improved laser stability, and uses thereof May. 19, 2009
7404943 Methods for solubilizing and recovering fluorinated compounds Jul. 29, 2008
7390335 Nanostructured bioactive materials prepared by spray drying techniques Jun. 24, 2008
7364715 As-grown single crystal of alkaline earth metal fluoride Apr. 29, 2008
7361325 Methods for making XF.cndot.nH.sub.2O.sub.2 compounds Apr. 22, 2008
7294291 Ceramicrete stabilization of U-and Pu-bearing materials Nov. 13, 2007
7175878 Cold antireflection layer deposition process Feb. 13, 2007
7063823 Depleted UF.sub.6 processing plant and method for processing depleted UF.sub.6 Jun. 20, 2006
7033563 Method for reducing oxygen component and carbon component in fluoride Apr. 25, 2006
7022303 Single-crystal-like materials Apr. 4, 2006
6989060 Calcium fluoride crystal and method and apparatus for using the same Jan. 24, 2006
6841141 System for in-situ generation of fluorine radicals and/or fluorine-containing interhalogen (XFn) compounds for use in cleaning semiconductor processing chambers Jan. 11, 2005
6806039 Photolithographic element blank calcium strontium fluoride UV transmitting mixed fluoride crystal with minimized spatial dispersion Oct. 19, 2004
6758977 Purification of phosphoric acid plant pond water Jul. 6, 2004
6723139 Method for recycling fine calcium fluoride powder Apr. 20, 2004
6676914 Phosphate acidulation utilizing HF acid Jan. 13, 2004
6669920 Below 160NM optical lithography crystal materials and methods of making Dec. 30, 2003
6666973 Method for fixing fluorine and phosphorus in waste water containing fluorophosphoric acid-derived compound to remove them Dec. 23, 2003
6649326 Photolithographic method and UV transmitting fluoride crystals with minimized spatial dispersion Nov. 18, 2003
6630117 Making a dispersion managing crystal Oct. 7, 2003
6596252 Recycling of spent pot linings Jul. 22, 2003
6592832 Method for producing highly pure lithium salts Jul. 15, 2003
6524546 Process for making calcium chlorides Feb. 25, 2003
6507020 Halide compound mass spectrometry method and mass spectrometry apparatus Jan. 14, 2003
6488769 Fluoride refining method and fluoride crystal manufacturing method, and optical part and aligner using same Dec. 3, 2002
6458333 Process for recycling alkali metal fluorides and/or difluorides Oct. 1, 2002
6451274 Depleted UF6 processing plant and method for processing depleted UF6 Sep. 17, 2002
6428764 Process for the production of calcium fluoride Aug. 6, 2002
6409978 Method of removing impurities from mineral concentrates Jun. 25, 2002
6355221 Process for removing soluble fluoride from a waste solution containing the same Mar. 12, 2002
6342312 Calcium fluoride crystal, optical article and exposure apparatus for photo-lithography using the same Jan. 29, 2002
6309618 Method for treating exhaust gas containing fluorine-containing interhalogen compound, and treating agent and treating apparatus Oct. 30, 2001

1 2 3 4

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