The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 1996
Filed:
Sep. 15, 1994
Robert F Benson, St. Petersburg, FL (US);
Dean F Martin, Tampa, FL (US);
University of South Florida, Tampa, FL (US);
Abstract
This invention relates to the extraction of carbonates of magnesium and/or calcium with a strong hydrogen form cation-exchange resin from a phosphate rock composition in an aqueous slurry, wherein the phosphate rock and the resins have been classified to different non-overlapping particle sizes and separating the slurry into the leached composition and the loaded ion exchange resin; and recovering the calcium and magnesium, and regenerating the ion exchange resin for further use in the process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile