Patents by Inventor Jean Castel

Jean Castel 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).

  • Patent number: 4810109
    Abstract: This invention relates to a supple bag made by flat assembly of a system of films, intended to constitute, by extension, a stable recipient, and to a process for obtaining said bag. According to the invention, this bag is obtained by assembling the films along lateral and bottom contours and along a base line previously traced geometrically by developing on the films the lateral surface of the recipient which was previously determined in its form and characteristics, in order that the recipient rests, after being filled and closed, in stable manner on its support base, not presenting any point of fold along its lateral edges. The invention finds particular application in the food industry, for packing beverages.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: March 7, 1989
    Inventor: Jean Castel
  • Patent number: 4226885
    Abstract: New guanylhydrazones of phenoxyacetic acid. These guanylhydrazones, also their physiologically acceptable salts, are characterized by the following general formula I in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R and R' have the meanings which are hereinafter described. ##STR1## The new guanylhydrazones are useful as medicaments, in particular antimitotic, IMAO and platelet antiagregant activity.
    Type: Grant
    Filed: October 13, 1977
    Date of Patent: October 7, 1980
    Assignee: Choay S.A.
    Inventors: Henri Orzalesi, Jean Castel