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. 05, 1991
Filed:
Feb. 13, 1989
Applicant:
Inventor:
Andrew J Sharpe, Jr, Comfort, WV (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210710 ; 106465 ; 106487 ; 209-5 ; 210728 ; 210734 ; 210735 ; 210778 ; 501148 ; 524447 ;
Abstract
Finely divided aqueous mineral slurries such as kaolin clay and calcium carbonate are dewatered, filtered and prepared for shipment by and with the addition of an effective amount (preferably 0.01 to 4.0 pounds per ton of solids) of melamine/formaldehyde polymer.
Sharpe, Jr, Andrew. (1991). Melamine-formaldehyde resins in the flocculation of high solids mineral (U.S. Patent No. 4990263). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4990263
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile