Patent · US Expired

Stimuli-responsive polymer utilizing keto-enol tautomerization and stimuli-responsive separating material and chemical-releasing capsule comprising the same

US6858694B2 · kind B2 · utility

18Cited by
11References
1Claims
0Family size

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Key dates

Filing dateJun 18, 2004
Grant dateFeb 22, 2005
Priority date
Expiry dateJun 18, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N30/54
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A stimuli-responsive polymer derivative utilizing keto-enol tautomerization. Also disclosed are a simple process for producing an N-acyl(meth)acrylamide derivative which can be used as a monomer for the stimuli-responsive polymer, a process for the production of an intermediate thereof, and an intermediate thus produced.

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