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. 11, 1990
Filed:
Dec. 16, 1987
Applicant:
Inventors:
Robert W Callahan, Charlotte, NC (US);
Richard D Johnson, Monroe, NC (US);
Assignee:
Hoechst Celanese Corporation, Somerville, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
264 22 ; 210490 ; 21050035 ; 427245 ;
Abstract
A composite membrane is disclosed having a microporous support which is coated with a UV curable polymer composition having a sufficiently high viscosity to prevent pore filling upon coating and curing. A process for making and a process for using the membrane is also disclosed.