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. 14, 2021
Filed:
Jan. 18, 2017
Ngee Ann Polytechnic, Singapore, SG;
James Selvaraj Antony Prince, Singapore, SG;
Sowrirajalu Bhuvana, Singapore, SG;
Vanangamudi Anbharasi, Singapore, SG;
Gurdev Singh, Singapore, SG;
Pandurangan Mohan, Singapore, SG;
Ramalingam Balamurugan, Singapore, SG;
NGEE ANN POLYTECHNIC, Singapore, SG;
Abstract
This invention relates to a hydrophilic polymer and membrane for oil-water separation. More particularly, this invention relates to a super hydrophilic polymer and membrane with zwitterionic property for oil-water separation, and method of producing the same. The hydrophilic polymer comprises polymer repeat units, each unit having at least one negatively charged carboxylic functional group and at least one positively charged amine functional group; and a monomer having a single aromatic ring and an imide functional group.