Patents by Inventor Philippe L'Heritier

Philippe L'Heritier 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).

  • Magnetic rare earth/iron/boron and rare earth/cobalt/boron hydrides, the process for their manufacture of the corresponding pulverulent dehydrogenated products
    Patent number: 4663066
    Abstract: New magnetic hydride Nd.sub.2 Fe.sub.14 BH.sub.x (0<x<5) and family corresponding to other rare earths and yttrium. Possible substitution of Fe by Co. Preparation from Nd.sub.2 Fe.sub.14 B by hydrogenation (ambient temperature; pH.sub.2 >20 bar), which can be reversed to give powdered Nd.sub.2 Fe.sub.14 B. Remarkable magnetic properties.
    Type: Grant
    Filed: June 19, 1985
    Date of Patent: May 5, 1987
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Robert Fruchart, Roland Madar, Alain Rouault, Philippe L'Heritier, Pierre Taunier, Daniel Boursier, Daniel Fruchart, Patrick Chaudouet