Patents by Inventor Philippe M. Bruylants

Philippe M. Bruylants 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).

  • Styrene from toluene and formaldehyde
    Patent number: 4479024
    Abstract: Toluene and formaldehyde produce styrene in a gas phase catalytic process using a basic hydroxide of Group I or II, at formaldehyde to toluene mole ratios of from 0.001 to 0.10.
    Type: Grant
    Filed: June 1, 1983
    Date of Patent: October 23, 1984
    Assignee: Ashland Oil, Inc.
    Inventors: Philippe M. Bruylants, Robert L. Garten
  • Process for preparing magnetic oxides
    Patent number: 4145301
    Abstract: This invention relates to a process for the preparation of magnetic oxides and possibly of at least one other metal. It relates also to new products consisting in mono- and polymetal magnetic oxides.According to the invention a glycerin complex of iron and possibly at least one other metal is first prepared and the complex is decomposed into a mono- or polymetal magnetic oxide by hydrolysis or pyrolysis, the possibly decomposed glycerin complex being subjected to a thermal treatment, such as annealing or pyrolysis in an atmosphere of an inert gas, such as nitrogen.The invention relates to magnetic oxides containing 0.2 to 3% by weight of carbon, said oxides preferably containing cobalt and possibly a rare earth element such as yttrium or europium.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: March 20, 1979
    Assignee: Unibra Societe Anonyme
    Inventors: Philippe M. Bruylants, Jose J. Fripiat, Luc W. Rodrigue, Georges M. Poncelet, Antonin A. Munaut