Patents by Inventor Geneviève Padilla

Geneviève Padilla 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).

  • Halogenation of protected phenols in meta position
    Patent number: 6576782
    Abstract: The invention concerns a halogenation in position meta of a phenol fuction. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously strong acid, the aromatic radical being a phenyl substituted in ortho and in para by functions attracting electrons by inductive effect. The invention is applicable to organic synthesis.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: June 10, 2003
    Assignee: Rhodia Chimie
    Inventors: Jean-Roger Desmurs, Geneviève Padilla, Jean-Francis Spindler
  • Process of preparing optically active alpha-chlorocarboxylic esters
    Patent number: 5563274
    Abstract: A process of preparing optically active alpha-chlorocarboxylic esters having the formula: ##STR1## from an optically active alpha-hydroxy carboxylic ester having the formula: ##STR2## in which process, an alpha-hydroxy carboxylate of formula II is brought into contact with phosgene and a compound chosen from amides, lactams and ureas, wherein R.sub.1 is an optionally substituted hydrocarbyl residue and R is preferably a methyl group.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: October 8, 1996
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Roger Desmurs, Pascal Metivier, Genevieve Padilla, Harivelo Rajoharison