Patents by Inventor Pierre Maupetit

Pierre Maupetit 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: 4229323
    Abstract: Nor-dehydropatchoulol having the formula I is disclosed. ##STR1## This previously unknown compound has been extracted from natural Patchouli Oil. It can be used in odorant compositions such as perfumes, detergents, aerosols, cosmetic products, etc.
    Type: Grant
    Filed: August 23, 1972
    Date of Patent: October 21, 1980
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventors: Paul J. Teisseire, Pierre Maupetit
  • Patent number: 4083812
    Abstract: Odoriferous agents in the form of certain novel ketoalcohol tricyclic norsesquiterpene derivatives having the formulae ##STR1##
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: April 11, 1978
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventors: Pierre Maupetit, Paul Jose Teisseire
  • Patent number: 4064060
    Abstract: Odoriferous agent in the form of a novel epoxyalcohol tricyclic norsesquiterpene derivative having the formula ##STR1##
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: December 20, 1977
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventors: Pierre Maupetit, Paul Jose Teisseire
  • Patent number: 4000202
    Abstract: Odoriferous agents in the form of certain novel tricyclic norsesquiterpene derivatives are disclosed. These norsesquiterpenes have the formula ##STR1## wherein either (a) R.sup.1 -R.sup.4 represent hydrogen or two of the symbols R.sup.1 to R.sup.4 represent hydrogen and the other two taken together represent oxygen or (b) three of the symbols R.sup.1 to R.sup.4 represent hydrogen and the fourth represents hydroxy.Processes for the production of said norsesquiterpene derivatives are also disclosed.
    Type: Grant
    Filed: February 21, 1974
    Date of Patent: December 28, 1976
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventors: Pierre Maupetit, Paul Jose Teisseire