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:
Oct. 14, 1980
Filed:
Jul. 18, 1978
Applicant:
Inventors:
John H Chapman, Sandersville, GA (US);
David Anderson, Elizabeth, NJ (US);
Assignee:
Yara Engineering Corporation, Springfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
75 / ; 106 72 ;
Abstract
A method of beneficiating highly discolored clays to produce a clay of acceptable quality to the paper industry is provided by passing a deflocculated clay suspension through a high intensity magnetic separator, thereafter selectively flocculating the clay from the suspension and recovering the flocculated clay be removing the supernatant liquid.
Quick Actions:
Chapman, John. (1980). Methods of clay benefication (U.S. Patent No. 4227920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4227920
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile