Patents by Inventor Theodore J. Leitereg

Theodore J. Leitereg 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: 3962339
    Abstract: Limonene is epoxidized and the product reacted with BF.sub.3 -etherate to produce dihydrocarvone which is condensed with 3-peten-2-one to give a mixture of the 5,6-dimethyl-9-isopropenyl and 5,10-dimethyl-7-isopropenyl derivatives of bicyclo [4,4,0] dec-1-en-3-one. The mixture is useful as an odorant to provide a woody aroma in soaps, cosmetics, toiletries, etc. Individual isomers may be separated from the mixture by such techniques as preparative glc.
    Type: Grant
    Filed: April 6, 1973
    Date of Patent: June 8, 1976
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Theodore J. Leitereg, Dante G. Guadagni, Roy Teranishi