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:
Sep. 28, 1999
Filed:
Dec. 11, 1997
Applicant:
Inventors:
Samuel S Wang, Cheshire, CT (US);
Devarayasamudram R Nagaraj, Stamford, CT (US);
Assignee:
Cytec Technology Corp., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08T / ;
U.S. Cl.
CPC ...
526288 ;
Abstract
Novel depressants for depressing sulfide minerals during froth floatation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylamide, an allyl thiourea and a hydroxyalkyl(meth)acrylate.