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:
Jan. 24, 1989
Filed:
May. 03, 1988
Applicant:
Inventors:
Ralph W Kaesler, Barrington, IL (US);
Donald G Robinson, Lakeland, FL (US);
Wayne L Moss, Columbia, SC (US);
Brian K Failon, Wheaton, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; B01D / ; B03D / ; C02F / ;
U.S. Cl.
CPC ...
4233 / ; 423320 ; 210734 ; 210778 ;
Abstract
Separation of gypsum from phosphoric acid liquor produced during the production of phosphoric acid from finely ground phosphate rock. These aids are characterized as containing sulfonate and acrylamide.
Kaesler, Ralph. (1989). Filtration aids for removal of calcium solids from aqueous phosphoric (U.S. Patent No. 4800071). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4800071
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile