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:
May. 23, 2000
Filed:
Jul. 30, 1999
Applicant:
Inventors:
Assignee:
Whatman Inc., Haverhill, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C02F / ;
U.S. Cl.
CPC ...
210776 ; 210779 ; 210784 ; 210799 ; 210804 ; 210805 ; 210806 ; 210167 ; 210D / ;
Abstract
An oil-water separation method to separate oil-contaminated water into clean, filtered water for use. The method comprises filtering prefiltered, coalesced oil-water in an oleophobic depth-type filter.