Patents by Inventor Anne Breque

Anne Breque 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).

  • Phospholes with functional substituents on the phosphorus and process for the preparation of phospholes
    Patent number: 4504683
    Abstract: The phospholes and P-functional phospholes correspond to the general formula: ##STR1## in which: R.sub.1 and R.sub.2 are identical or different and represent hydrogen or a lower alkyl group of C.sub.1 to C.sub.4 such as a methyl group, and R.sub.3 represents an aryl group (such as --C.sub.6 H.sub.5) or a substituted aryl group (such as --CH.sub.2 C.sub.6 H.sub.5) or an alkyl group (such as --CH.sub.3, --C.sub.2 H.sub.5, --C.sub.3 H.sub.7 to C.sub.12 H.sub.25) or a --(CH.sub.2).sub.n Z group where Z denotes a function of the --COO-alkyl type (such as --COOC.sub.2 H.sub.5), --CH, --CO-aryl (such as --COC.sub.6 H.sub.5), --CO-alkyl (such as --COCH.sub.3) or --OH and n.gtoreq.1.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: March 12, 1985
    Assignees: Institut National de Recherche Chimique Appliquee (IRCHA), Centre National de la Recherche Scientifique
    Inventors: Anne Breque, Georges Muller, Hubert Bonnard, Francois Mathey, Philippe Savignac