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Class Information
Number: 204/157.4
Name: Chemistry: electrical and wave energy > Processes and products > Processes of treating materials by wave energy > Process of preparing desired inorganic material
Description: Subject matter wherein an element of inorganic compound is produced by a chemical reaction brought about by wave energy.


Sub-classes under this class:

Class Number Class Name Patents
204/157.45 Boron, phosphorous or silicon containing product produced 73
204/157.47 Carbon containing product produced 94
204/157.48 Halogen containing product produced 67
204/157.52 Hydrogen containing product produced 108
204/157.46 Nitrogen containing product produced 85
204/157.5 Oxygen containing product produced 117
204/157.49 Sulfur containing product produced 59
204/157.44 Using ionizing radiation 118
204/157.41 Using laser 154
204/157.43 Using microwave energy 126
204/157.42 Using sonic or ultrasonic energy 67


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7238261 Photo-formed metal nanoparticles and aerogel materials comprising the same Jul. 3, 2007
6994774 High frequency energy application to petroleum feed processing Feb. 7, 2006
6884404 Method of manufacturing carbon nanotubes and/or fullerenes, and manufacturing apparatus for the same Apr. 26, 2005
6855301 Synthesis method for producing carbon clusters and structured carbon clusters produced thereby Feb. 15, 2005
6660132 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors Dec. 9, 2003
6627048 Reductive precipitation of metals photosensitized by tin and antimony porphyrins Sep. 30, 2003
6497795 Method and apparatus for decomposing gaseous aliphatic hydrocarbon halide compound Dec. 24, 2002
6409889 Method for the removal and recovery of inorganic pollutants from waste aqueous solutions and waste primary air sources Jun. 25, 2002
6376739 Process for treating damp residues containing polluting and/or toxic materials Apr. 23, 2002
6361660 Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparticle Mar. 26, 2002
6266978 Method for producing synthetic quartz glass for use in ArF excimer laser lithography Jul. 31, 2001
6261420 Process for producing amorphous material containing single crystal or polycrystal and material produced Jul. 17, 2001
6248217 Process for the enhanced capture of heavy metal emissions Jun. 19, 2001
6179971 Two stage process and catalyst for photocatalytic conversion of contaminants Jan. 30, 2001
6160031 Process for decomposing a polymer to its monomer or monomers Dec. 12, 2000
6080337 Iron oxide particles Jun. 27, 2000
6068698 P-type silicon macromolecule used in a transistor and process for manufacture of the macromolecule May. 30, 2000
6060031 Method for neutralizing acid gases from laser exhaust May. 9, 2000
6059936 Rapid annealing of powder phosphors May. 9, 2000
5980699 Method for preparing silicon nitride and silicon nitride composites Nov. 9, 1999
5939172 Metallic screen material having a strand or fibre structure, and method for manufacturing such a material Aug. 17, 1999
5850064 Method for photolytic liquid phase synthesis of silicon and germanium nanocrystalline materials Dec. 15, 1998
5839078 Waste processing method and apparatus Nov. 17, 1998
5770785 Apparatus and method for removing carbon dioxide contained in exhaust gas Jun. 23, 1998
5712461 Molecular sieve--photoactive semiconductor membranes and reactions employing the membranes Jan. 27, 1998
5709791 Method for producing oxygen and hydrogen Jan. 20, 1998
5698829 Photodegradation of toxic contaminants Dec. 16, 1997
5690794 Method of growing diamond from graphite Nov. 25, 1997
5688378 Photoassisted oxidation of species in solution Nov. 18, 1997
5612522 Adsorption and ion exchange zeolite gel media to improve the quality and carbonation of water Mar. 18, 1997
5585043 Method of coextracting neptunium and plutonium Dec. 17, 1996
5547655 Recovery and regeneration of sulfuric acid Aug. 20, 1996
5527985 Process for recycling waste sulfuric acid Jun. 18, 1996
5500192 Method of separating neptunium and plutonium Mar. 19, 1996
5480524 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines Jan. 2, 1996
5446186 Structure and synthesis of nitrophenyl-EGTA, a caged calcium, intermediates thereof and a method of producing a high photochemical yield of liberated calcium Aug. 29, 1995
5417823 Metal-nitrides prepared by photolytic/pyrolytic decomposition of metal-amides May. 23, 1995
5393955 Preparation of fullerenes and apparatus therefor Feb. 28, 1995
5382337 Process for oxidizing organic materials with hydrogen peroxide under conditions of irradiation in aqueous phase Jan. 17, 1995
5348631 Method and apparatus for synthesizing lead .beta.-diketonates Sep. 20, 1994
5336842 Process and device for cleaning polluted solids Aug. 9, 1994
5323413 Apparatus for the laser dissociation of molecules Jun. 21, 1994
5192618 Corrosion protection by FeMn by ion implantation Mar. 9, 1993
5178904 Process for forming deposited film from a group II through group VI metal hydrocarbon compound Jan. 12, 1993
5174877 Apparatus for photocatalytic treatment of liquids Dec. 29, 1992
5064517 Method for the preparation of fine particulate-metal-containing compound Nov. 12, 1991
5063083 Photolytic deposition of metal from solution onto a substrate Nov. 5, 1991
5024740 Mineral refinement by high RF energy application Jun. 18, 1991
4981562 Electrolytic recovery of mercury enriched in isotopic abundance Jan. 1, 1991
4943357 Photodegradation of metal chelate complexes Jul. 24, 1990

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