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:
Nov. 02, 1993
Filed:
Apr. 16, 1992
Applicant:
Inventors:
Young S Ha, Billerica, MA (US);
Eileen D Surette, Revere, MA (US);
Martin J Weinstein, Salisbury, MA (US);
Assignee:
Amicon, Inc., Beverly, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210637 ; 210655 ; 210137 ; 21032165 ; 21050029 ;
Abstract
This invention relates to cross-flow filtration and more particularly towards disposable, compact cross-flow filters and filtration methods incorporating a novel pressure-balancing arrangement comprising a flexible wall which expands and contracts in response to fluid pulsations. The invention further relates to methods of fluid concentration employing such a device to a fluid concentration system, and to methods of making such a filtration device.