Patents by Inventor Jean-Claude Lambert

Jean-Claude Lambert 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: 4975407
    Abstract: Dehydrogenation catalyst, wherein the molar ratio between iron oxide providing agent and potassium oxide providing agent calculated as iron: potassium atomic ratio is in the range of from 1.5 to 60, a K.sub.2 Fe.sub.12 O.sub.19 phase is present in an octahedral Fe.sub.3 O.sub.4 matrix, showing crystalline epitaxy between the hexagonal structure of K.sub.2 Fe.sub.12 O.sub.19 and the (111) planes of the Fe.sub.3 O.sub.4 spinel structure, and showing intense X-ray diffraction peaks in the area of from d=12.4 .ANG. to d=1.60 .ANG..Process for the preparation of such catalyst and process for dehydrogenation of optionally substituted alkanes into olefins.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: December 4, 1990
    Assignee: Shell Oil Company
    Inventors: Pierre E. Dejaifve, Roland A. C. Garin, Jean-Claude Lambert, Jean-Paul Darnanville, Jean-Claude Clement