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:
Sep. 24, 2013
Filed:
Oct. 22, 2009
Applicants:
Ilyess H. Romdhane, Woodbury, MN (US);
Mikhail S. Mezhirov, Newton, MA (US);
Inventors:
Ilyess H. Romdhane, Woodbury, MN (US);
Mikhail S. Mezhirov, Newton, MA (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present disclosure describes a method for forming microporous membranes. More specifically, vapor induced phase separation techniques are used for forming multizone microporous membranes having improved material throughput.