Lead-free mixture as a radiation protection additive

Details Lead-free mixture as a radiation protection additive Lead-free mixture as a radiation protection additive

2008-06-10

2008-06-10

Anthony, Joseph D. (Department: 1796)

Compositions

X-ray or neutron shield

C252S301170, C523S137000, C524S403000, C524S413000, C524S439000, C524S440000

Reexamination Certificate

active

07384576

ABSTRACT:
The present invention provides a mixture containing a) at least 26 wt. % of gadolinium and b) one or more elements, alloys and/or compounds from the group consisting of barium, indium, tin, lanthanum, molybdenum, niobium, tantalum, zirconium and tungsten, a process for the preparation of this mixture, use of the mixture as radiation protection, use of the mixture to prepare polymeric radiation protection substances, a process for preparing radiation screening rubbers, thermoplastic materials and polyurethanes, a process for preparing products from the polymeric radiation protection substances and products made from these polymeric radiation protection substances.

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