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Attorney: Logan; Forrest E.


Number of patents: 38
Last date: June 04, 1985

NumberTitleIssue Date
4521392Process for blending phosphoric acids of differing impurity content
Phosphoric acids of significantly different content of soluble impurities, especially magnesium compounds, can be blended to produce a phosphoric acid with a decreased tendency for forming detrimental solids when converted to a liquid fertilizer or on sto...
06/04/1985
4515756Process for extracting tungsten or molybdenum from solution
A process for the recovery of molybdenum and/or tungsten from a solution which comprises the steps of passing said solution through a packed column containing an adsorbent; adsorbing tungsten and/or molybdenum on said adsorbent; passing a solution deplete...
05/07/1985
4468248Process for making titanium metal from titanium ore
In a process for the reduction of titanium salt comprising a halide of titanium to titanium metal by contacting said titanium salt in the molten state with a molten alloy and zinc to form a solution of titanium metal in zinc the improvement which comprise...
08/28/1984
4443421Process for removing particulate impurities from aqueous phosphoric acid
An emobodiment of a process for filtration of a slurry containing fine particles is a process comprising: (a) filtering phosphoric acid containing sludge-forming particulate impurities through a fabric filter whereby particulate impurities are separated f...
04/17/1984
4423814Separation or concentration of magnesium-bearing minerals by induced fluorescence
A method for the separation of magnesium-bearing ore particles containing an exposed magnesian-rich mineral on the surface from the lean ore particles containing a lesser surface area of the exposed magnesian mineral which comprises conditioning the ore w...
01/03/1984
4375553Process for producing benzene carboxylic acid salts from aromatic materials
This invention relates to a method of producing an aqueous solution which comprises soluble benzene carboxylic acid salts which is substantially free of soluble humic acid salts. A first aqueous solution (22) which comprises soluble humic acid salts and s...
03/01/1983
4373994Pyrolysis process and apparatus
This invention discloses a process and apparatus for pyrolyzing particulate coal by heating with a particulate solid heating media in a transport reactor. The invention tends to dampen fluctuations in the flow of heating media upstream of the pyrolysis zo...
02/15/1983
4359451Desulfurization of carbonaceous materials
Solid carbonaceous material, especially coal or coal char, is desulfurized by treatment with a limited amount of hydrogen to convert the organic sulfur to sulfide sulfur at an elevated temperature. The thusly formed sulfide sulfur is then removed from the...
11/16/1982
4359363Apparatus for entrained coal pyrolysis
This invention discloses a process and apparatus for pyrolyzing particulate coal by heating with a particulate solid heating media in a transport reactor. The invention tends to dampen fluctuations in the flow of heating media upstream of the pyrolysis zo...
11/16/1982
4358344Process for the production and recovery of fuel values from coal
A method of pyrolyzing and desulfurizing coal in a transport reactor to recover volatile fuel values and hydrogen by heating particulate coal entrained in a carrier gas substantially free of oxygen to a pyrolysis temperature in a zone within three seconds...
11/09/1982
4357228Recovery of hydrocarbon values from pyrolytic vapors
A process for producing light aromatics, intermediate coal liquids, tar acids, and heavy hydrocarbons from pyrolytic vapors produced by the pyrolysis of coal is described herein. Such pyrolytic vapors are contacted with a quench liquid which comprises a h...
11/02/1982
4356077Pyrolysis process
Pyrolytic vapors, produced by the pyrolysis of coal, are contacted with a quench liquid which comprises a hydrogen donor solvent to condense the pyrolytic vapors and form a liquid mixture which comprises pyrolytic condensate. The liquid mixture is separat...
10/26/1982
4345098Process for producing benzene carboxylic acid salts and their acids
A process for producing an isomerized benzene carboxylic acid salt by treating a mixture of an aromatic material, water, and a water soluble reagent comprising a Group Ia or IIa metal with oxygen under conditions sufficient to convert at least a portion o...
08/17/1982
4334959Mixing method and apparatus
Method of mixing particulate materials comprising contacting a primary source and a secondary source thereof whereby resulting mixture ensues; preferably at least one of the two sources has enough motion to insure good mixing and the particulate materials...
06/15/1982
4333018Wind energy conversion system with reaction torque for power control
A wind energy conversion system for converting wind energy into controlled wind turbine torque comprising a wind turbine with an essentially horizontally disposed shaft, a means, rotatably mounted to a chassis, for sensing and reacting to wind turbine tor...
06/01/1982
4324644Pyrolysis process for stabilizing volatile hydrocarbons utilizing a beneficially reactive gas
In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis in the presence of a capping agent, a carbon containing solid particulate source of heat and a bene...
04/13/1982
4324643Pyrolysis process for producing condensed stabilized hydrocarbons
In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis, preferably in the presence of a solid particulate source of heat and a transport gas in a transpor...
04/13/1982
4324642Pyrolysis process for producing condensed stabilized hydrocarbons utilizing a beneficially reactive gas
In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis, in the presence of a carbon containing solid particulate source of heat and a beneficially reactiv...
04/13/1982
4324641Pyrolysis process utilizing a beneficially reactive gas
In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated at an elevated temperature in a pretreatment zone with a first capping agent which is at treating conditions either ...
04/13/1982
4324640Pyrolysis process
In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated at an elevated temperature in a pretreatment zone with a first capping agent which is at treating conditions either ...
04/13/1982
4324639Pyrolysis process with feed pretreatment
In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated at an elevated temperature with a capping agent which is at treating conditions either a liquid or a gas. The treati...
04/13/1982
4324638Pyrolysis process for stabilizing volatile hydrocarbons
In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted and then subjected to pyrolysis in the presence of a capping agent, and preferably in the presence of a solid particulate source of...
04/13/1982
4324637Pyrolysis process with feed pretreatment utilizing a beneficially reactive gas
In a process for recovery of values contained in solid carbonaceous material, a solid carbonaceous material is comminuted and then treated in a pretreating zone at an elevated temperature with a capping agent which is at treating conditions either a liqui...
04/13/1982
4323365Dewatering of solid residues of carbonaceous materials
Process for removal of water from a mixture of water and certain solid residues of carbonaceous material, such as a coal char-water slurry, which comprises mixing the slurry with an acid, preferably hydrochloric acid, a surfactant, preferably water-immisc...
04/06/1982
4322222Process for the gasification of carbonaceous materials
Carbonaceous material is gasified in a first pyrolysis zone substantially in an absence of free oxygen by heating with a solid heating media. The carbonaceous material is conducted through the first pyrolysis zone in turbulent flow to provide for the rapi...
03/30/1982
4294977Process for producing aromatic carboxylic acids
A process for producing a carboxylic acid salt from carbonaceous material comprising treating a mixture of a carbonaceous material which is essentially free of minerals from oil shale, water, and a material containing minerals from oil shale with oxygen u...
10/13/1981
4270928Desulfurization of carbonaceous materials
Solid carbonaceous material, especially coal or coal char, is desulfurized by sequential treatment with steam, hydrogen, and steam. The partially desulfurized char from the first steam treatment zone is used to remove hydrogen sulfide from the effluent ga...
06/02/1981
4234388Removal of chlorine from pyrolytic oils
The gas stream obtained from the pyrolysis of solid organic wastes and containing chlorine in the form of hydrogen chloride is processed to obtain a substantially chlorine free pyrolytic oil. The gas stream is first contacted with a hydrocarbon immiscible with...
11/18/1980
4229185Process for the gasification of carbonaceous materials
Carbonaceous material is gasified in a first pyrolysis zone substantially in an absence of free oxygen by heating with a solid heating media. The carbonaceous material is conducted through the first pyrolysis zone in turbulent flow to provide for the rapi...
10/21/1980
4219308Torque control system for wind energy conversion devices
Automatic torque control of wind energy conversion devices is provided through the utilization of turbine reaction torque. In the preferred embodiment, the frame of the driven machine is arranged to be rotatable through a limited angle. As rated torque of...
08/26/1980
4188191Process for reducing the sulfur content of coal and coal char and the ignition temperature of coal char
This invention covers a process for reducing the sulfur content of coal and coal char and the ignition temperature of coal char. Coal is converted into char at temperatures not in excess of about 1600° F. The char is introduced into a caustic system whic...
02/12/1980
4163693Fluidizing a mixture of particulate coal and char
Method of mixing particulate materials comprising contacting a primary source and a secondary source thereof whereby resulting mixture ensues; preferably at least one of the two sources has enough motion to insure good mixing and the particulate materials...
08/07/1979
4146359Method for reacting nongaseous material with a gaseous reactant
This invention relates to a new and novel method and apparatus for reacting nongaseous material with a gaseous reactant comprising introducing a first stream containing a nongaseous material into a reaction zone; simultaneously introducing a second stream...
03/27/1979
4133867Counter-current process with a hydrodesulfurization of solid carbonaceous materials
Finely divided, sulfur bearing carbonaceous materials are carried by hydrogen in counter-current flow at elevated temperatures to the flow of relatively large, metal oxide, hydrogen sulfide accepting pellets. The sulfur contained in the carbonaceous mater...
01/09/1979
4108732Heating carbonaceous particulate material
A method for mixing a stream of particulate carbonaceous material with another stream of particulate material in a reaction zone maintained substantially free of free oxygen, which method is especially useful for mixing a stream of particulate agglomerati...
08/22/1978
4101263Method for heating nongaseous carbonaceous material
Nongaseous carbonaceous material is heated by a method comprising introducing tangentially a first stream containing a nongaseous carbonaceous material and carbon monoxide into a reaction zone; simultaneously and separately introducing a second stream con...
07/18/1978
4087514Process for desulfurizing char
A process for reducing the sulfur content of char by means of a basic molten bath of an alkali metal or alkaline earth metal salt of a hydroxyaryl or an alcohol....
05/02/1978
4054420Process for the desulfurization of carbonaceous fuels with aqueous caustic and oxygen
This invention covers a process for reducing the sulfur content of carbonaceous fuels by treatment at elevated temperatures in a system comprised of aqueous caustic and oxygen....
10/18/1977
 
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