Method of monitoring temperature
US4643588A · kind A · utility
25Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1985 |
| Grant date | Feb 17, 1987 |
| Priority date | — |
| Expiry date | Apr 2, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/913
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of monitoring if a stored product has exceeded a predetermined temperature using an assembly, which comprises coated onto a carrier a gelatin layer containing an acidic reactant, color former and an encapsulated non-aqueous solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.