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:
Jan. 14, 1992
Filed:
Sep. 11, 1989
Applicant:
Inventor:
Joseph B Culkin, Oakland, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2041823 ; 2041801 ; 204301 ;
Abstract
A method and apparatus for separating particles mixed with liquid utilizing a container for holding the same. The system also employs at least one separation membrane, which is permeable to the heterogeneous particles mixed with the liquid, divides the container into first and second separation chambers. A pump biases the flow of the particle liquid mixture from one side of the membrane to the other. Simultaneously, an electric field or potential is applied to the particle liquid mixture to bias flow of the same in the other direction.