Patents by Inventor Charles Celli

Charles Celli 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).

  • Perfumed compositions
    Patent number: 4308179
    Abstract: Perfumed compositions which may, and in most cases especially do, contain one or more odorant perfume ingredients in conjunction with up to 20%, by weight of said perfumed compositions, of the compound 2-n-pentyl-3-(2-oxopropyl)-1-cyclopentanone which is free from garlicky odors and which has a magnolia or magnolia-like odor, and which possesses the property of imparting a magnolia odor to such perfumed and odorant compositions.
    Type: Grant
    Filed: April 7, 1977
    Date of Patent: December 29, 1981
    Assignee: Societe Anonyme Roure Bertrand Dupont
    Inventor: Charles Celli
  • Process for the preparation of 2-n-pentyl-3-(2-oxopropyl)-1-cyclopentanone
    Patent number: 4092362
    Abstract: The valuable odoriferous material 2-n-pentyl-3-(2-oxopropyl)-1-cyclopentanone is prepared by a process which comprises hydrolysing and decarboxylating a compound of the formula ##STR1## wherein R represents a hydrocarbyl group, with water under pressure and in an initially substantially neutral medium. The use of 2-n-pentyl-3-(2-oxopropyl)-1-cyclopentanone as an odorant is also disclosed.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: May 30, 1978
    Inventor: Charles Celli