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:
Aug. 01, 1978
Filed:
Apr. 11, 1977
Applicant:
Inventors:
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134-2 ; 134 / ; 134 / ; 4233 / ;
Abstract
A scale deposited from a raffinate in a purification of a wet process phosphoric acid with an organic solvent or a mixture of an organic solvent and a strong acid by an extraction method is contacted with a solution containing a strong base to react with iron and aluminum components in the scale.
Fujii, Sakumi. (1978). Method of removing scale caused by raffinate in a phosphoric acid (U.S. Patent No. 4104079). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4104079
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile