Tracers
US4029820A · kind A · utility
7Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 20, 1975 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | Jan 20, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S426/807
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Tracer material formed of a finely powdered reduced iron carrier having adsorbed thereon sodium selenite or sodium selenate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.