Time temperature indicators
US3966414A · kind A · utility
15Cited by
11References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1974 |
| Grant date | Jun 29, 1976 |
| Priority date | — |
| Expiry date | Jan 16, 1994 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K11/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system operable to signal the attainment of a preselected time-temperature integral for monitoring the temperature history of a product utilizes a free-radical sensitive dye and a peroxide on a carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.