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Class Information
Number: 252/372
Name: Compositions > Gaseous compositions
Description: Compositions which are gaseous, or processes of making them.

Sub-classes under this class:

Class Number Class Name Patents
252/373 Carbon-oxide and hydrogen containing 1,212
252/374 Nitrogen and hydrogen containing 46

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8603363 Compositions for extending ion source life and improving ion source performance during carbon implantation Dec. 10, 2013
8545724 Odorant for hydrogen based on acrylate and acetophenone Oct. 1, 2013
8425804 Process for evaporating a liquid fuel and a mixing chamber for performing this process Apr. 23, 2013
8361409 Systems and methods for producing aqueous solutions and gases having disinfecting properties and substantially eliminating impurities Jan. 29, 2013
8354043 Natural gas odorization Jan. 15, 2013
8206854 Hydrogen odorization Jun. 26, 2012
8038935 Treatment of odors using nanocrystalline metal oxides Oct. 18, 2011
8016911 Use of a protective gas composition for preventing oxidation or combustion of molten magnesium Sep. 13, 2011
7871826 Method for determining carbon content of a hydrocarbon-containing mixture Jan. 18, 2011
7850790 Reactive gases with concentrations of increased stability and processes for manufacturing same Dec. 14, 2010
7837806 Articles of manufacture containing increased stability low concentration gases and methods of making and using the same Nov. 23, 2010
7832550 Reactive gases with concentrations of increased stability and processes for manufacturing same Nov. 16, 2010
7794841 Articles of manufacture containing increased stability low concentration gases and methods of making and using the same Sep. 14, 2010
7708980 Nonflammable propellant blend May. 4, 2010
7501103 Tropospheric volume elements enriched with vital elements and/or protective substances Mar. 10, 2009
7388170 Preparing a protective gas mixture for arc joining Jun. 17, 2008
7338670 Use of an agent that restores tissue perfusion and oxygenation Mar. 4, 2008
7307234 Protective gas supply device for electric arc joining Dec. 11, 2007
7247293 Process and apparatus for the production of hydrogen and carbon dioxide from the gasification of raw materials Jul. 24, 2007
7229667 Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture comprising said compositions, and processes for manufacturing same Jun. 12, 2007
7211765 Shielding gas and arc-welding method May. 1, 2007
7108803 Gas odorization method Sep. 19, 2006
6991748 Process for the production of a shielding gas mixture Jan. 31, 2006
6963046 Process gas and method for laser welding Nov. 8, 2005
6847007 Process gas and laser machining method Jan. 25, 2005
6796369 Method and apparatus to prevent metal dusting Sep. 28, 2004
6770426 Supercritical compositions for removal of organic material and methods of using same Aug. 3, 2004
6752852 Apparatus for removing moisture from fluids comprising acid gases; methods of using same, and compositions Jun. 22, 2004
6735980 Recovery of krypton and xenon May. 18, 2004
6733732 Reactor for generating moisture May. 11, 2004
6685754 Method for the production of hydrogen-containing gaseous mixtures Feb. 3, 2004
6676855 Use of a blood-flow decrease preventing agent in conjunction with insufflating gas Jan. 13, 2004
6595291 Process of preparing a gas composition and use thereof Jul. 22, 2003
6537380 Fluorinated solvent compositions containing ozone Mar. 25, 2003
6468446 Generation of metal-carbonyl standards for the calibration of spectroscopic systems Oct. 22, 2002
6432357 Sterilizing gas compositions of ethylene oxide, pentafluoroethane and heptafluoropropane Aug. 13, 2002
6383413 Process for thinning of phosphine with air without danger of burning May. 7, 2002
6372700 Fluorinated solvent compositions containing ozone Apr. 16, 2002
6361715 Method for reducing the redox potential of substances Mar. 26, 2002
6334962 Low flow rate moisture supply process Jan. 1, 2002
6315965 Phosphine generator for producing phosphine-containing gas Nov. 13, 2001
6303156 Noninvasive method for increasing or decreasing the body temperature of a patient Oct. 16, 2001
6280701 Method for the treatment of a methanol reforming catalyst Aug. 28, 2001
6221280 Catalytic partial oxidation of hydrocarbon fuels to hydrogen and carbon monoxide Apr. 24, 2001
6207109 Sterilant gas mixtures of pentafluorodimethyl ether and ethylene oxide Mar. 27, 2001
6204427 Process and apparatus for the partitioning and thermal treatment of heterogeneous feedstock Mar. 20, 2001
6159395 Process and plant for reforming hydrocarbonaceous feedstock Dec. 12, 2000
6153167 Generation of metal-carbonyl standards for the calibration of spectroscopic systems Nov. 28, 2000
6126858 Ternary gaseous mixture Oct. 3, 2000
6099294 Method of regulating the oxidation of hydrogen in air, including the transition to combustion, the intensity of combustion, the transition from combustion to explosion and the intensity of exp Aug. 8, 2000

1 2 3 4

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