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. 01, 1987
Filed:
Dec. 04, 1986
Applicant:
Inventors:
Anthony E Gross, St. Charles, IL (US);
Richard D Christie, Downers Grove, IL (US);
Thomas E Pinder, Fort Mill, SC (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209166 ; 252 61 ;
Abstract
An improved method for the froth flotation recovery and/or grade of vermiculite from vermiculite containing rock and clay. It uses a composition comprising oil and between 2-60% by weight of an alkyl phenol formaldehyde condensation product.