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. 28, 2001
Filed:
Nov. 03, 2000
Applicant:
Inventors:
Mark T Meyering, Middlefield, CT (US);
Jack H. Vining, Jr., Coventry, CT (US);
Thomas Badenhop, Westport, CT (US);
Assignee:
Cuno, Inc., Meriden, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 1/26 ; B05D 1/34 ; B05D 1/36 ; B05D 3/00 ; B05D 7/04 ;
U.S. Cl.
CPC ...
B05D 1/26 ; B05D 1/34 ; B05D 1/36 ; B05D 3/00 ; B05D 7/04 ;
Abstract
A process for making a reinforced, continuous, geometrically symmetrical microporous filtration membrane comprising a porous support material and a continuous microporous membrane having a middle region disposed between an upper region and a lower region, wherein said support material is embedded within said middle region and said middle region has a pore size at least about 50% greater than the pore size of at least one of said upper region and said lower region.