Patent · US Active

Stimulus indication employing polymer gels

US9063015B2 · kind B2 · utility

2Cited by
90References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 2006
Grant dateJun 23, 2015
Priority date
Expiry dateApr 15, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01K2207/04
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Techniques and devices are presented for communicating exposure to a potentially harmful stimulus. The devices include a stimulus sensitive gel which changes volume in response to exposure to the stimulus and thereby presents a contrast in color that serves as a visual indicator that exposure to the stimulus has occurred.

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