Patents by Inventor Fran.cedilla.ois De Keyser

Fran.cedilla.ois De Keyser 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).

  • Plastic article having flame retardant properties
    Patent number: 6110559
    Abstract: New plastic articles are disclosed and claimed having flame retardant properties which contain a core of a plastic polymeric material (thermoplastic, thermoset, rigid foam or semi-flexible foam polymeric material) which is coated with a protective, flame retardant layer comprising a mixture of a thermoplastic polymeric material and a flame retardant, char-forming, intumescent system. The new articles are suitable for the manufacture of e.g. rods, beams, pipes, hoses, non-tubular profiles and panels which are useful in various industries such as the building, automotive and mining industries.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: August 29, 2000
    Assignee: Solutia Inc.
    Inventor: Fran.cedilla.ois De Keyser
  • Plastic article having flame retardant properties
    Patent number: 5552185
    Abstract: New plastic articles are disclosed and claimed having flame retardant properties which contain a core of a plastic polymeric material (thermoplastic, thermoset, rigid foam or semi-flexible foam polymeric material) which is coated with a protective, flame retardant layer comprising a mixture of a thermoplastic polymeric material and a flame retardant, char-forming, intumescent system. The new articles are suitable for the manufacture of e.g. rods, beams, pipes, hoses, non-tubular profiles and panels which are useful in various industries such as the building, automotive and mining industries.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: September 3, 1996
    Assignee: Monsanto Company
    Inventor: Fran.cedilla.ois De Keyser