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:
Jun. 01, 1982
Filed:
Nov. 24, 1980
Applicant:
Inventors:
Michael J Thibodeau, Lakeland, FL (US);
James S Balcerski, Maplewood, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
4233 / ; 423320 ; 210778 ;
Abstract
An improved process for the filtration of phosphoric acid wherein the prefilt phosphoric acid produced from the 'wet process' is conditioned with a flocculant and a dispersant and thereafter filtered to concentrate the acid.