Patents by Inventor Rene Pierlas

Rene Pierlas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the treatment and packaging of low or average activity radio-active waste
    Patent number: 4293437
    Abstract: The present invention relates to a preferably continuous process for the treatment of low and average activity radio-active waste, comprising a pretreatment of said waste, a precipitation of radio-active compounds so as to form a stable suspension which may be superconcentrated, wherein from 0.6 to 2 parts by weight of cement for one part by weight of suspension, from 0.5 to 5% by weight, with respect to the cement, of asbestos fibres and possibly a complement of water necessary for ensuring setting of said cement are mixed, said suspension containing from 15 to 75% by weight of dry extract and a suspension agent, and the homogeneous mixture obtained is cast in a container.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: October 6, 1981
    Assignee: Societe Generale pour les Techniques Nouvelles S.G.N.
    Inventors: Jean Taponier, Rene Pierlas