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. 19, 1989
Filed:
Sep. 14, 1987
Applicant:
Inventor:
Kevin E Kinzer, St. Paul, MN (US);
Assignee:
Minnesota Minning and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210490 ; 21050033 ; 21050036 ; 21050035 ; 2105004 ; 21050041 ; 21050042 ; 4283157 ; 4283159 ;
Abstract
A microporous article is provided. The article comprises a thermoplastic polymeric structure having a plurality of cells with adjacent cells being interconnected by passageways to provide a network of communicating pores. The structure is oriented in at least one direction.