Patents by Inventor Asita Bhattacharyya

Asita Bhattacharyya 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).

  • Self-hardening molding compositions
    Patent number: 4088624
    Abstract: A composition of self-hardening molding material and the hardening process re provided for making a solid or a hollow body wherein self-hardening molding material comprising at least one inert charge, either in granule and/or in powder form is intimately mixed with at least one organic resin serving as binding agent, and at least with one agent for the hardening of the binder, characterized by the fact that it includes fluoride (F.sup.-) ions.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: May 9, 1978
    Assignee: Societe d'Applications de Procedes Industriels et Chimiques S.A.P.I.C.
    Inventors: Asita Bhattacharyya, Michel Jean-Claude Dormoy, Gerard Yves Richard