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:
Apr. 03, 1990
Filed:
Feb. 23, 1989
Applicant:
Inventor:
Ti-Hua Chin, Voorhees, NJ (US);
Assignee:
BP America Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209164 ; 209168 ; 209 10 ; 210703 ; 210776 ;
Abstract
An improved apparatus and method for froth flotation of particulate matter is disclosed wherein ridges or ribs are provided on the froth discharge surface of the apparatus.