Patents by Inventor Lihong L. D'Angelo

Lihong L. D'Angelo 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).

  • L-aspartyl-D-.alpha.-aminoalkanoyl-(S)-N-alpha-alkylbenzyl amides useful as artificial sweeteners
    Patent number: 5286509
    Abstract: The present invention relates to L-aspartyl-D-.alpha.-aminoalkanoyl-(S)-N-.alpha.-alkylbenzyl amides that are useful as artificial sweetener compounds. In particular, the present invention relates to compositions containing L-aspartyl-D-.alpha.-aminobutyric acid-(S)-.alpha.-ethylbenzyl amide and L-aspartyl-D-valine-(S)-.alpha.-ethylbenzyl amide as artificial sweetener compounds having very high sweetness potency.
    Type: Grant
    Filed: June 22, 1992
    Date of Patent: February 15, 1994
    Assignee: The Coca-Cola Company
    Inventors: Lihong L. D'Angelo, James G. Sweeny
  • Process for making 1-cyclopentylalyl amines useful for the synthesis of sweeteners
    Patent number: 5225591
    Abstract: The disclosed process relates to a method for preparing 1-cyclopentylalkyl amines, useful in the synthesis of artificial sweeteners, by reducing an azanorbornene in a high-yield one-step reduction of an azanorbornene, wherein the method involves use of a solvent reductant system with catalyst that is compatible with the production of edible food compositions.
    Type: Grant
    Filed: July 28, 1992
    Date of Patent: July 6, 1993
    Assignee: The Coca-Cola Company
    Inventors: James G. Sweeny, Lihong L. D'Angelo