Patents by Inventor Jean Pierre Jakob

Jean Pierre Jakob 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).

  • Insulators for transformers
    Publication number: 20080061919
    Abstract: The invention provides discrete insulators for an electrical transformer, made of thermotropic liquid crystalline polymer (LCP).
    Type: Application
    Filed: March 6, 2007
    Publication date: March 13, 2008
    Inventors: Richard Marek, Jean-Pierre Jakob, Giorgio Vercesi
  • Long solidified hollow thermoplastic articles
    Publication number: 20020187291
    Abstract: Solidified hollow, preferably long blow molded, articles made from at least one thermoplastic composition comprising short aramid fibers. Processes and compositions for making such articles. Methods of improving the melt strength of polymer compositions by introducing therein an effective amount of short aramid fibers. Methods of making blow molded articles from polymer compositions not suited for blow molding.
    Type: Application
    Filed: April 12, 2001
    Publication date: December 12, 2002
    Inventors: Jean-Michel Philippoz, Jean-Pierre Jakob, Philip Boydell, Giorgio Patrizio Vercesi
  • Process for making a uniform dispersion of aramid fibers and polymer
    Patent number: 6068922
    Abstract: A process for making a substantially uniform composition of short aramid fibers and polymer wherein the fibers are provided with a significant moisture content to improve handling characteristics and are partially dried and opened by shear forces in an extruder before contact with the polymer in the extruder.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: May 30, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Giorgio P. Vercesi, Jean Pierre Jakob, Nicolas Cudre-Mauroux
  • Process for making a uniform dispersion of aramid fibers and polymer
    Patent number: 5830395
    Abstract: A process for making a substantially uniform composition of short aramid fibers and polymer wherein the fibers are provided with a significant moisture content to improve handling characteristics and are partially dried and opened by shear forces in an extruder before contact with the polymer in the extruder.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: November 3, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Giorgio P. Vercesi, Jean Pierre Jakob, Nicolas Cudre-Mauroux