Class 502/3 - TO BE USED AS A MELT

Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Composition intended to function in the liquid phase, and
No. of patents: 24
Last issue date: 08/12/2008

Number	Title	Issue Date
7410928	Highly active slurry catalyst composition The instant invention is directed to the preparation of a catalyst composition suitable for the hydroconversion of heavy oils. The catalyst composition is prepared by a series of steps, involving mixing a Group VIB metal oxide particularly molybdenum oxide and aqueo...	08/12/2008
7396799	Highly active slurry catalyst composition The instant invention is directed to the preparation of a slurry catalyst composition. The slurry catalyst composition is prepared in a series of steps, involving mixing a Group VIB metal oxide, particularly molybdenum and aqueous ammonia to form an aqueous mixture ...	07/08/2008
6992038	Zinc chloride-loaded support and method for producing the same The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous solution of zinc chloride. The problems include environmental destruction c...	01/31/2006
6921474	Chloride melt process for the separation and recovery of zinc Process for the production of ZnCl2 from a Zn bearing primary and/or secondary material comprising the steps of reacting the Zn bearing material with a chlorinating agent such as Cl2 to convert metals into chlorides and vaporising the volatile ...	07/26/2005
6218326	Supported molten-metal catalysts An entirely new class of catalysts called supported molten-metal catalysts, SMMC, which can replace some of the existing precious metal catalysts used in the production of fuels, commodity chemicals, and fine chemicals, as well as in combating pollution. ...	04/17/2001
5985778	Method and compositions for stabilization of heavy metals, acid gas removal and pH control in contaminated matrices A one-step method and compositions for stabilization of heavy metals, acid gas removal and pH control in hazardous and toxic solid, semi-solid, liquid and/or gaseous matrices using a mixture of reactive agents in a single product, for the broader purpose ...	11/16/1999
5719099	Method and compositions for stabilization of heavy metals, acid gas removal and ph control in contaminated matrices A one-step method and compositions for stabilization of heavy metals, acid gas removal and pH control in hazardous and toxic solid, semi-solid, liquid and/or gaseous matrices using a mixture of reactive agents in a single product, for the broader purpose ...	02/17/1998
5413975	Fixing large zeolite and zeolite-like molecular sieve crystals on moldings Large zeolite and zeolite-like molecular sieve crystals of from 3 to 500 μm are fixed on moldings by a process in which an adhesion promoter is used or the moldings are softened....	05/09/1995
5385689	Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom Scavenger compositions useful for purifying process gas streams, such as process gas streams, such as hydrogen, nitrogen, noble gases, diborane, and hydride gases from Groups IVA-VIA of the Periodic Table, such as arsine, phosphine, silane, germane, hydro...	01/31/1995
5340553	Method of removing oxygen from a controlled atmosphere A method is provided for removing residual amounts of oxygen and water vapor from the controlled atmosphere of an enclosed chamber. A small volume of high-purity silicon is heated in a crucible placed inside the chamber. The silicon is typically heated wi...	08/23/1994
4898845	Catalyst dispersed in supported molten salt A new method for the use of microcrystallites of various materials as catalysts. The materials include metals, metal alloys and mixtures, and intermetallic compounds all of which are used as heterogeneous catalysts on porous supports. The method is differ...	02/06/1990
4808563	Molybdenum-tungsten-containing catalyst for methane conversion process A catalyst is disclosed which comprises a molybdenum-tungsten-containing complex represented by the formula wherein M is selected from the group consisting of one or more metals selected from any of Groups IB, IIB, IVB, VB or VIII of the Periodic Table an...	02/28/1989
4257873	Hydrocracking with molten zinc chloride catalyst containing 2-12% ferrous chloride In a process for hydrocracking heavy aromatic polynuclear carbonaceous feedstocks to produce hydrocarbon fuels boiling below about 475° C. by contacting the feedstocks with hydrogen in the presence of a molten zinc chloride catalyst and thereafter separa...	03/24/1981
4257914	Method for the regeneration of spent molten zinc chloride In a process for regenerating spent molten zinc chloride which has been used in the hydrocracking of coal or ash-containing polynuclear aromatic hydrocarbonaceous materials derived therefrom and which contains zinc chloride, zinc oxide, zinc oxide complex...	03/24/1981
4193894	Catalyst for oxidation of sulfur dioxide A catalytic material for oxidation of sulfur dioxide to sulfur trioxide at any temperature above 300° C., comprising a catalyst which at reaction conditions is a melt including sulfatized vanadium ions as the active catalytic component and two different ...	03/18/1980
4162963	Method for producing hydrocarbon fuels and fuel gas from heavy polynuclear hydrocarbons by the use of molten metal halide catalysts In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal halide catalyst in a hydrocracking zone, thereafter separating...	07/31/1979
4161489	Conversion of mixtures of carbon oxides and hydrogen Mixtures of hydrogen with oxides of carbon, preferably with carbon monoxide, are converted to hydrocarbons at temperatures below about 500° C. by contact with a fused alkali metal formate or hydroxide or mixtures thereof which contains a hydrogenation ca...	07/17/1979
4136056	Regeneration of zinc chloride hydrocracking catalyst Improved rate of recovery of zinc values from the solids which are carried over by the effluent vapors from the oxidative vapor phase regeneration of spent zinc chloride catalyst is achieved by treatment of the solids with both hydrogen chloride and calci...	01/23/1979
4134826	Method for producing hydrocarbon fuels from heavy polynuclear hydrocarbons by use of molten metal halide catalyst In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal halide catalyst, thereafter separating at least a substantial ...	01/16/1979
4132628	Method for recovering hydrocarbons from molten metal halides In a process for hydrocracking heavy carbonaceous materials by contacting such carbonaceous materials with hydrogen in the presence of a molten metal halide catalyst to produce hydrocarbons having lower molecular weights and thereafter recovering the hydr...	01/02/1979
4092370	Process for producing tetrachloroethylene from tetrachloromethane using a molten salt catalyst Processes for producing tetrachloromethane and tetrachlorethylene are disclosed. Tetrachloromethane is produced by contacting a chlorinated feed material having two to four carbon atoms, and optionally including oxygen, hydrogen chloride or chlorine, with...	05/30/1978
3979332	High temperature methanation with molten salt-based catalyst systems The reaction of hydrogen and carbon oxides (carbon monoxide and carbon dioxide) to form methane at temperatures above 500°C is promoted by carrying out the reaction in the presence of a molten metal salt-based catalyst system comprising a molten metal sa...	09/07/1976
3965202	Production of trichloro-ethylene from waste C₂ chlorinated hydrocarbons All or a portion of chlorinated hydrocarbons convertible to trichloroethylene and/or perchloroethylene by chlorination, dehydrochlorination or dehydrogenation and optionally also dechloroination are recovered from a C2 chlorinated hydrocarbon w...	06/22/1976
3948759	Visbreaking a heavy hydrocarbon feedstock in a regenerable molten medium in the presence of hydrogen Heavy hydrocarbon feedstocks, such as atmospheric and vacuum residua, heavy crude oils and the like, are converted to predominantly liquid hydrocarbon products by contacting said feedstocks in the presence of hydrogen with a regenerable alkali metal carbo...	04/06/1976

PatentStorm

Quotables

PatentStorm News

Class 502/3 - TO BE USED AS A MELT