Stimulus indication employing polymer gels
US9063015B2 · kind B2 · utility
2Cited by
90References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 2006 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Apr 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.