Patents by Inventor Isabelle Gossart

Isabelle Gossart 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).

  • Method for making continuous and closed hollow bodies, hollow bodies so obtained and apparatus for making the hollow spheres
    Patent number: 4722770
    Abstract: A method for manufacturing continuous, closed and hollow bodies which comprises (a) using cores (25) which are soluble in a solvent, (b) depositing on each core a coating (3) with a suitable mechanical strength to be self-supporting and having open pores to pass a solvent, and (c) placing the cores so coated into a solvent for dissolving the cores; the method of the invention may be implemented in bulk parts, in an economical manner, and allows making hollow bodies, in particular hollow balls, each comprising a continuous skin devoid of any macroscopic perforation and of a kind and with a thickness which are easily adjusted in relation to the desired properties.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: February 2, 1988
    Assignees: Universite Paul Sabatier, S.A. Ateca
    Inventors: Yves Blottiere, Jean-Pierre Bonino, Abel Rousset, Claude Rossignol, Isabelle Gossart