Freeport Minerals Company

Patent Applications and Registrations

Patent applications and USPTO patent grants for Freeport Minerals Company.The latest application filed is for "method for the recovery of gold using autoclaving".

Company Profile

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Freeport Minerals Company - New Orleans LA
Freeport Minerals Company - New York NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for the recovery of gold using autoclaving Grant 4,738,718 - Bakshani , et al. April 19, 1	1988-04-19
Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum Grant 4,710,366 - Astley , et al. December 1, 1	1987-12-01
Simultaneous leaching and electrodeposition of precious metals Grant 4,510,027 - Wiewiorowski , et al. April 9, 1	1985-04-09
Dielectric pipe coupling for use in high temperature, corrosive environments Grant 4,345,785 - Bradford August 24, 1	1982-08-24
Process for the recovery of gold from carbonaceous ores Grant 4,289,532 - Matson , et al. September 15, 1	1981-09-15
Sulfur mine bleedwater reuse system Grant 4,241,953 - Bradford , et al. December 30, 1	1980-12-30
Crud handling circuit Grant 4,190,633 - Smith , et al. February 26, 1	1980-02-26
Ferric iron removal from aluminum fluoride solutions Grant 4,172,879 - Miller , et al. October 30, 1	1979-10-30
Method and apparatus for utilizing accumulated underground water in the mining of subterranean sulphur Grant 4,157,847 - Williams , et al. June 12, 1	1979-06-12
Process for heating and chemically treating an aqueous process fluid Grant 4,156,545 - Blanchard, Jr. , et al. May 29, 1	1979-05-29
Apparatus and process for hydraulic mining Grant 4,035,023 - Cockrell July 12, 1	1977-07-12
Oxidation-resistant nickel and cobalt sulfides and method for preparing same Grant 3,975,507 - Matson August 17, 1	1976-08-17
Autoclave system for leaching sulfide concentrates Grant 3,961,908 - Touro June 8, 1	1976-06-08
Process for the manufacture of electrolytic copper Grant 3,917,519 - Fisher , et al. November 4, 1	1975-11-04
Reaction of fine media miller strach or protein with a polymer or polymerizable monomer Grant 3,891,580 - Morris , et al. June 24, 1	1975-06-24
Recovery Of Sulfur Dioxide From A Sulfur Dioxide-containing Aqueous Ammonium Phosphate Solution Grant 3,633,339 - Wiewiorowski , et al. January 11, 1	1972-01-11

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