Hazardous or toxic waste destruction or containment – Destruction or containment of radioactive waste – By fixation in stable solid media
Reexamination Certificate
2005-08-30
2005-08-30
Johnson, Edward M. (Department: 1754)
Hazardous or toxic waste destruction or containment
Destruction or containment of radioactive waste
By fixation in stable solid media
C588S255000
Reexamination Certificate
active
06936745
ABSTRACT:
A selective polymer-wrapping process is disclosed which is capable of exclusively wrapping radioactive particles from solid waste streams at room temperature. Accordingly, separation of wrapped radioactive particles from unwrapped non-radioactive particles is facilitated. The method includes exposing radioactive particles or material, alone or in combination with other materials, to a precursor monomer solution that is capable of polymerizing due to the inherent radiation of the radioactive material, whereby the radioactive material is partially or totally encapsulated in the resultant polymer.
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patent: 4077901 (1978-03-01), Arnold et al.
patent: 4131563 (1978-12-01), Bahr et al.
patent: 4358401 (1982-11-01), O'Brien et al.
patent: 4379763 (1983-04-01), Clemens et al.
Crispino Ralph J.
eVionX, Inc.
Johnson Edward M.
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