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:
Dec. 21, 1976
Filed:
Aug. 08, 1975
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C04B / ;
U.S. Cl.
CPC ...
23262 ; 23287 ; 34 5 / ; 432 58 ;
Abstract
Apparatus comprising means for dispersing comminuted limestone in a stream of hot gas and calcining it to form quicklime; a calcining chamber into which comminuted gypsum and the stream of hot gas containing the quicklime are introduced wherein the gypsum is calcined and thoroughly mixed with the quicklime; a gas-solids separator for separating the calcined gypsum and quicklime from the gas stream; and hydration means for hydrating the quicklime and gypsum whereby any phosphoric acid in the gypsum reacts with the hydrated quicklime to form insoluble calcium phosphate.
Quick Actions:
Fukuda, Yoshiharu. (1976). Apparatus for treating by-product gypsum to be used as an inhibitor for (U.S. Patent No. 3998596). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3998596
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile