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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 82
204/157.47 Carbon containing product produced 123
204/157.48 Halogen containing product produced 71
204/157.52 Hydrogen containing product produced 127
204/157.46 Nitrogen containing product produced 91
204/157.5 Oxygen containing product produced 137
204/157.49 Sulfur containing product produced 62
204/157.44 Using ionizing radiation 133
204/157.41 Using laser 172
204/157.43 Using microwave energy 160
204/157.42 Using sonic or ultrasonic energy 80

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8685360 Method for the production of diamond Apr. 1, 2014
8673259 Apparatus and method for substrate and gas heating during chemical vapor deposition nanotube synthesis Mar. 18, 2014
8562793 Method and apparatus for microwave reduction of organic compounds Oct. 22, 2013
8377413 Method for preparing mayenite-containing oxide and method for preparing electroconductive mayenite-containing oxide Feb. 19, 2013
8372249 Photoreduction processing method of three-dimensional metal nanostructure Feb. 12, 2013
8303922 Method for exfoliation of hexagonal boron nitride Nov. 6, 2012
8268133 Method and apparatus for microwave reduction of organic compounds Sep. 18, 2012
8262868 Spectral chemistry Sep. 11, 2012
8246714 Production of metal and metal-alloy nanoparticles with high repetition rate ultrafast pulsed laser ablation in liquids Aug. 21, 2012
8241392 Gas phase method for producing nanometric particles Aug. 14, 2012
8217293 Process and system for producing nuclear spin polarized xenon gas Jul. 10, 2012
8206674 Boron nitride nanotubes Jun. 26, 2012
8048275 Method of solubilizing carbon nanomaterial Nov. 1, 2011
8021448 Method and system for producing a hydrogen enriched fuel using microwave assisted methane plasma decomposition on catalyst Sep. 20, 2011
8021522 Reverse piezoelectric method for production of silane Sep. 20, 2011
7927465 Method and apparatus for microwave reduction of organic compounds Apr. 19, 2011
7879748 Method for producing a catalyst and the catalyst made therefrom Feb. 1, 2011
7833925 Method of preparing metal nanoparticles Nov. 16, 2010
7767063 Photo-formed metal nanoparticles and aerogel materials comprising the same Aug. 3, 2010
7736472 Method and device for generating ultra-high pressure Jun. 15, 2010
7727927 Method of making tungsten-containing fuel cell catalysts Jun. 1, 2010
7658899 Production method of nanoparticle Feb. 9, 2010
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
6059936 Rapid annealing of powder phosphors May. 9, 2000
6060031 Method for neutralizing acid gases from laser exhaust 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

1 2 3

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