Patents by Inventor Philippe Ghyselinck

Philippe Ghyselinck 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).

  • Article made of lactic acid polymer capable of being employed particularly as a biodegradable prosthesis and process for its manufacture
    Patent number: 5007939
    Abstract: Article made of lactic acid polymer capable of being employed particulaly as a biodegradable prosthesis exhibiting at 23.degree. C. a tensile regidity modulus higher than 5000 MPa and a tensile resilience higher than 500 kJ/m.sup.2 and a heat shrinkage of less than 50% at 130.degree. C.The article is produced by forging a blank at a temperature of between 80.degree. and 170.degree. C., with a draw ratio of 200 to 1000%.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: April 16, 1991
    Assignee: Solvay & Cie (Societe Anonyme)
    Inventors: Luc Delcommune, Philippe Ghyselinck
  • Process for the production of hollow articles from preforms of a thermoplastic
    Patent number: 4221759
    Abstract: A process for the production of hollow articles from preforms of a thermoplastic material, one open end of which preforms has a neck moulded at least partially into its definitive shape. During the final blowing operation, the region corresponding to the moulded part of the preform is isolated from the remainder of the interior of the preform. The isolated region is cooled by sweeping with a cooling fluid.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: September 9, 1980
    Assignee: Solvay & Cie.
    Inventors: Guy Hubert, Philippe Ghyselinck