Patent · US Active

Water-dispersible polyaniline films capable of undergoing stable and reversible polyelectrochromic transitions

US8248681B2 · kind B2 · utility

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Key dates

Filing dateJan 4, 2011
Grant dateAug 21, 2012
Priority date—
Expiry dateApr 23, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/15165
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present disclosure relates generally to polyaniline (PANI) materials capable of undergoing stable and reversible polyelectrochromic transitions between multiple oxidation states. More specifically, the embodiments described herein include novel PANI-PAAMPSA structures that are capable of undergoing stable and reversible transitions between the ES, LB and PB oxidation states. In some embodiments, the structures described are capable of undergoing stable transitions over a broad pH range. Also described herein are methods of preparing certain electrochromic structures.

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