Microingredient containing tracer
US4654165A · kind A · utility
142Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1985 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | Apr 16, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/13
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tracer particle for determining the concentration of a microingredient in a bulk material is disclosed. The tracer particle comprises a finely divided ferromagnetic particulate material approximately 90% of which is approximately 325 mesh or smaller, a microingredient and a binder wherein the microingredient and ferromagnetic material are entrapped in the binder and wherein the tracer particle is approximately 35 to 80 mesh in size.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.