Patents by Inventor Dante G. Guadagni

Dante G. Guadagni 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).

  • Method of reducing bitterness and off-after-taste
    Patent number: 4154862
    Abstract: Bitterness and/or off-after-taste in materials containing substances imparting bitterness and/or off-after-taste thereto are reduced by addition of a minor proportion of neodiosmin.
    Type: Grant
    Filed: January 13, 1977
    Date of Patent: May 15, 1979
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Dante G. Guadagni, Robert M. Horowitz, Bruno Gentili, Vincent P. Maier
  • Method of reducing bitterness in citrus juices
    Patent number: 4031265
    Abstract: Bitterness in citrus juices is reduced by addition of a minor proportion of neodiosmin.
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: June 21, 1977
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Dante G. Guadagni, Robert M. Horowitz, Bruno Gentili, Vincent P. Maier
  • Process for the production of bicyclo decenone derivatives
    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