US Patent 7316816 Temperature and pH sensitive copolymers

Patent 7316816 was granted and assigned to Agency for Science, Technology and Research on January, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Agency for Science, Technology and Research

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

73168160

Patent Inventor Names

Kumaresh Soppimath0

Yi-Yan Yang0

Date of Patent

January 8, 2008

Patent Application Number

108656810

Date Filed

June 10, 2004

Patent Primary Examiner

‌

Jeffrey Mullis

Patent abstract

The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising:a temperature-sensitive unit,a hydrophilic unit, anda hydrophobic unit comprising at least one pH-sensitive moiety;wherein said hydrophobic monomeric unit is derived from a copolymerisable unsaturated fatty acid.