Patents by Inventor Christophe Maldeme

Christophe Maldeme 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: 6715511
    Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards: a first layer of vulcanized elastomer forming the outer layer, a second layer of EVOH or of an EVOH-based blend, a third layer of a blend of a polyamide (A) and a polyolefin (B) having a polyamide matrix, optionally, an inner layer of vulcanized elastomer, the layers being successive and adhering to one another in their respective contact region. It is also possible to place a tie layer between the first and second layers, and likewise between the optional inner layer and the third layer. The tube of the invention may also include a reinforcing layer of the textile type, for example made of polyester or of metal wires, the said layer being placed between the first and second layers. This reinforcing layer may be between the tie layer and the EVOH layer or between the tie layer and the outer layer or else the tie may be placed in the interstices of the reinforcing layer.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: April 6, 2004
    Assignee: Atofina
    Inventors: Jun Yamamoto, Joachim Merziger, Christophe Maldeme
  • Publication number: 20030124289
    Abstract: The present invention relates to a multilayer tube comprising, in its radial direction from the outside inwards:
    Type: Application
    Filed: November 25, 2002
    Publication date: July 3, 2003
    Applicant: ATOFINA
    Inventors: Jun Yamamoto, Joachim Merziger, Christophe Maldeme
  • Publication number: 20020106470
    Abstract: The present invention relates to a tube having in its radial direction, from the inside outwards:
    Type: Application
    Filed: December 11, 2001
    Publication date: August 8, 2002
    Applicant: ATOFINA
    Inventors: Joachim Merziger, Christophe Maldeme