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:
Feb. 10, 1981
Filed:
Oct. 22, 1979
Applicant:
Inventor:
Richard N Hill, Lakeland, FL (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423317 ; 4233 / ;
Abstract
Prevention of re-post precipitation in concentrated wet process phosphoric acid by heating the acid at 55.degree. to 85.degree. C. thereby to dissolve solids without substantial re-post precipitation.
Quick Actions:
Hill, Richard. (1981). Re-post precipitation control (U.S. Patent No. 4250154). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4250154
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile