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:
Aug. 21, 1984
Filed:
Jul. 11, 1983
Applicant:
Inventor:
Anthony E Gross, Clarendon Hills, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209166 ; 252 61 ; 210704 ;
Abstract
A method of increasing the yield of coal undergoing a concentration treatment of froth flotation by using as the collector an alkyl phenol formaldehyde condensate product having 4-5 phenolic nuclei with the alkyl group of said phenol having between 4-15 carbon atoms.