Lead substitute material for radiation protection purposes

Radiant energy – Radiation controlling means – Shields

Reexamination Certificate

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Details

C250S516100, C250S505100

Reexamination Certificate

active

07041995

ABSTRACT:
The invention relates o a lead substitute material for radiation protection purposes. The lead substitute material comprises Sn, Bi and optionally W or compounds of said metals and the composition of the lead-substitute material is a function of the nominal lead equivalent value.

REFERENCES:
patent: 5245195 (1993-09-01), Shah et al.
patent: 6048379 (2000-04-01), Bray et al.
patent: 6153666 (2000-11-01), Lagace
patent: 6517774 (2003-02-01), Bray et al.
patent: 19955192 (2001-05-01), None
patent: 0 371 699 (1990-06-01), None
patent: 0 372 758 (1990-06-01), None
patent: 54-151797 (1978-05-01), None

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