Patents by Inventor Jacques Joye

Jacques Joye 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 accelerating the transformation of the crystalline form of isotactic polybutene pipe
    Patent number: 4141953
    Abstract: A method for the accelerated transformation of the crystalline form of isotactic polybutene pipe, comprising moving the pipe linearly and subjecting the pipe while moving to a plurality of simultaneously inwardly directed radial stresses acting on the outer surface of the pipe along one or more radii of the same transverse cross section and in one or more adjacent cross sections of the pipe and apparatus for carrying out such method.
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: February 27, 1979
    Assignee: Societe Chimique des Charbonnages CdF Chimie
    Inventors: Andre Kepes, Jacques Joye