Tagging chemical compositions
US5677187A · kind A · utility
25Cited by
19References
11Claims
0Family size
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/173076
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Rare elements, which can be selected from Ni, Cu, W, Li, N, Ce, Sn, Y, Nd, Nb, Co, La, Pb, Ga, Mo, Th, Cs, Ge, Sm, Gd, Be, Pr, Se, As, Hf, Dy, U, B, Yb, Er, Ta, Br, Ho, Eu, Sb, Tb, Lu, Tl, Hg, I, Bi, Tm, Cd, Ag, In, Se, Pd, Pt, Au, He, Te, Rh, Re, Ir, Os, and Ru can be used to tag commodities, including explosive materials, with a unique tagging agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.