Optical reference standard
US7477375B2 · kind B2 · utility
0Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2004 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Dec 7, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/278
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An optical reference is disclosed for wet foodstuffs including an optical reference material including a binder and a cereal formed into a matrix to fixedly hold an amount of water. The reference material is constituted with the binder, the cereal and the water present in amounts to provide the reference standard with desired spectral, mechanical and temporal characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.