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:
Dec. 16, 1997
Filed:
Jun. 20, 1996
Applicant:
Inventors:
Ellen C Bellantoni, Framingham, MA (US);
Robert S Loya, Newburyport, MA (US);
Assignee:
Millipore Corporation, Bedford, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ; B32B / ;
U.S. Cl.
CPC ...
428 357 ; 428 361 ; 428 362 ; 428 365 ; 4283155 ; 4283157 ; 4283166 ;
Abstract
A composite ultrafiltration membrane is provided having a microporous polyolefin or sulfone polymer base resistant substrate and an ultrafiltration layer formed from a sulfone polymer.