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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Brown; Richard A.
Address:
Trenton, NJ
No. of patents:
14
Patents:












Patent Number Title Of Patent Date Issued
T102906 Method of removing phosphorus impurities from yellowcake April 5, 1983
Phosphorus impurities are removed from yellowcake by dissolving it in hydrochloric or sulfuric acid to a U.sub.3 O.sub.8 assay of at least 150 g/l at a pH of 2; precipitating uranium peroxide with hydrogen peroxide while keeping the pH between 2.2 and 2.6 and recovering the uranium p
4727031 Nutrient for stimulating aerobic bacteria February 23, 1988
The present invention provides a composition of nutrients and a method using such a composition to stimulate the growth of aerobic bacteria, and particularly bacteria capable of biooxidizing contaminants in a subterranean formation.
4695658 Aryl carboxylate process September 22, 1987
A process for replacing an aromatic carbon-thallium bond with a carbon-oxygen bond. The process is particularly suitable for producing specific aromatic isomers by thallating an aromatic compound and replacing the thallium with a carboxylate group which can be further hydrolyzed if d
4610795 Peroxygen breaker systems for well completion fluids September 9, 1986
A hydraulic process has been developed and a process to treat subterranean formations whereby the medium can maintain for a period of time a sufficient viscosity to function as a hydraulic medium and optionally to support particulate matter. Subsequently, the viscosity of the medium
4594170 Method for liquifying chloride-based heavy brine well completion fluids June 10, 1986
The invention provides a method to liquify a heavy brine completion fluid containing chlorides. The combination of a persulfate and hydrogen peroxide was found to be more effective than either compound alone, or than a peroxygen plus an activator.
4591443 Method for decontaminating a permeable subterranean formation May 27, 1986
The present invention is a process to oxidize a contaminant in a permeable subterranean formation by introducing an aqueous treating solution into the formation which solution contains hydrogen peroxide and a compound to control the mobility of the aqueous solution by increasing the visc
4588506 Stimulation of biooxidation processes in subterranean formations May 13, 1986
The present invention is a process to stimulate the biooxidation of a contaminant in a subterranean formation by introducing an aqueous solution into the formation. The concentration of the hydrogen peroxide is increased thereby acclimating the biota to higher concentrations of hydro
4552675 Composition and method for treating a subterranean formation November 12, 1985
An aqueous composition has been developed to treat subterranean formations whereby the compositions can maintain for a period of time a sufficient viscosity to function as a hydraulic fluid and optionally to support particulate matter. Subsequently, the viscosity of the composition d
4552674 Composition and method for treating a subterranean formation November 12, 1985
An aqueous composition has been developed to treat subterranean formations whereby the compositions can maintain for a period of time a sufficient viscosity to function as a hydraulic fluid and optionally to support particulate matter. Subsequently, the viscosity of the composition d
4552668 Oxidation of sulfides in polymer-thickened aqueous solution November 12, 1985
A method for preferentially oxidizing sulfide in a viscous, aqueous solution of a hydratable polymeric material suitable for use in hydraulically treating subterranean formations.
4526762 Recovery of vanadium from acidic solutions thereof July 2, 1985
Vanadium is recovered from acidic solutions by oxidizing the vanadium with Caro's acid to the pentavalent state and obtaining the oxidized vanadium by solvent extraction.
4418051 Process for preparing thallium (III) November 29, 1983
A process for converting a thallium (I) compound to a thallium (III) compound comprising contacting an alkaline solution of the thallium (I) compound with gaseous oxygen and in the presence of a peroxygen compound.
4361487 Control of hydrogen sulfide emission from geothermal steam plants with hydrogen peroxide and sod November 30, 1982
Removing hydrogen sulfide from geothermal steam condensate is described whereby the hydrogen sulfide that is present in the condensate from a geothermal steam plant is oxidized with a peroxygen compound such as hydrogen peroxide in the presence of catalytic quantities of sodium vanad
4320097 Recovery of vanadium from acidic solutions thereof March 16, 1982
Vanadium is recovered from sulfuric acid leach liquor by oxidizing the vanadium with hydrogen peroxide in the presence of iron ions and extracting the oxidized vanadium with an amine solvent system.










 
 
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