Patents by Inventor Edouard Giraudi

Edouard Giraudi 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).

  • Pinanes
    Patent number: 5329052
    Abstract: The invention relates to novel odorants derived from formylpinane. In particular, these are compounds of the formula ##STR1## in which R represents H or C--C alkyl, for example methyl, ethyl, propyl, butyl etc., preferably methyl or ethyl, preferably methyl or ethyl, n represents 0 or 1 and the notation represents a single or double bond I.
    Type: Grant
    Filed: August 5, 1993
    Date of Patent: July 12, 1994
    Assignee: Givaudan-Roure Corporation
    Inventors: Bernard Auger, Jerzy A. Bajgrowicz, Edouard Giraudi
  • Odorants
    Patent number: 4774225
    Abstract: The invention relates to novel odorant substances. These are compounds of the formula ##STR1## wherein R and R.sup.1 are H, CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7 or CH(CH.sub.3).sub.2 and the sum of the carbon atoms in R and R.sup.1 does not exceed 6, and X is caran-yliden (2,2) or caran-yliden (4,4).The invention relates also to the preparation of these novel substances and to odorant compositions containing these substances.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: September 27, 1988
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventor: Edouard Giraudi
  • Process for the preparation of cyclic ketones
    Patent number: 4163109
    Abstract: A process for the preparation of compounds of the formula I ##STR1## by reacting of a compound of the formula II ##STR2## with up to 1.5 molar equivalent of water at elevated temperature. R represents an alkyl group containing 1 to 3 carbon atoms, R.sup.1 represents an alkyl or alkenyl group containing 3 to 6 carbon atoms and n represents 1 or 2.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: July 31, 1979
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventors: Paul J. Teisseire, Marcel Plattier, Edouard Giraudi
  • Process for the preparation of 8,14-cedranoxide
    Patent number: 3960899
    Abstract: Processes for the preparation of 8,14-cedranoxide are disclosed, according to which 8,14-cedrane diol is prepared by reducing 8,14-cedranolide by treatment with the aid of diisobutyl-aluminum hydride followed by acid hydrolysis, or 8,14-cedrane diol is cyclized with dimethyl sulfoxide.
    Type: Grant
    Filed: August 22, 1972
    Date of Patent: June 1, 1976
    Assignee: Societe Anonyme Roure-Bertrand-Dupont
    Inventors: Edouard Giraudi, Paul Jose Teisseire