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:
Aug. 18, 2015
Filed:
Aug. 03, 2006
Applicants:
Kirit Patel, Bridgewater, NJ (US);
Donald H. White, Savage, MN (US);
Andrew Dahlgren, Chanhassen, MN (US);
Richard Brandimarte, Bensalem, PA (US);
Inventors:
Kirit Patel, Bridgewater, NJ (US);
Donald H. White, Savage, MN (US);
Andrew Dahlgren, Chanhassen, MN (US);
Richard Brandimarte, Bensalem, PA (US);
Assignee:
Donaldson Company, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/36 (2006.01); B01D 71/36 (2006.01); B01D 3/14 (2006.01); B01D 63/06 (2006.01); B01D 69/02 (2006.01); B01D 69/12 (2006.01); B01D 69/14 (2006.01); B01D 71/32 (2006.01); C02F 1/04 (2006.01); C02F 1/06 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
B01D 61/364 (2013.01); B01D 3/146 (2013.01); B01D 63/061 (2013.01); B01D 69/02 (2013.01); B01D 69/12 (2013.01); B01D 69/141 (2013.01); B01D 71/32 (2013.01); C02F 1/04 (2013.01); B01D 2325/02 (2013.01); C02F 1/06 (2013.01); C02F 2103/08 (2013.01);
Abstract
A microporous membrane for flash distillation comprising at least three layers having distinct properties is disclosed. Generally, the membranes contain outer layers of relatively small pore size, with an interior layer with relatively large pore size. The invention is also directed to a system for desalinization comprising a source of hot brine.