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.:

US 9757696 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 12, 2017

Filed:

Mar. 24, 2014
Applicant:

Council of Scientific and Industrial Research, New Delhi, IN;

Inventors:

Ulhas Kharul, Maharashtra, IN;

Harshada Lohokare, Maharashtra, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/62 (2006.01); B01D 71/82 (2006.01);
U.S. Cl.
CPC ...
B01D 71/62 (2013.01); B01D 71/82 (2013.01); B01D 2325/20 (2013.01); B01D 2325/30 (2013.01);
Abstract

The present invention relates to a porous ABPBI (phosphoric acid doped poly (2, 5-benzimidazole)) membrane and process of preparing the same. A stable porous ABPBI (Phosphoric Acid Doped Poly (2, 5-benzimidazole)) membrane stable to acids, bases, solvents and autoclaving is disclosed. The membrane finds use for separation of solutes in solution in acids, bases and solvents.


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