Patent · US Active

Photomechanically active copolyimides derived from an azobenzenediamine, a rigid dianhydride, and a flexible dianhydride

US9085661B1 · kind B1 · utility

5Cited by
59References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 2012
Grant dateJul 21, 2015
Priority date—
Expiry dateMar 2, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/1096
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Compositions of azobenzene-containing, photomechanically active, copoly(amic acids) and linear copolyimides comprising an azobenzenediamine, a rigid dianhydride, and a flexible dianhydride; and methods of making the same.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.