Patents by Inventor Arthur A. Davino

Arthur A. Davino 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).

  • Process for esterification of .alpha.-L-aspartyl-L-phenylalanine
    Patent number: 4293648
    Abstract: A process for selectively esterifying .alpha.-L-aspartyl-L-phenylalanine to the corresponding alkyl esters using a proteolytic enzyme with specific esterase activity is described. The process is carried out in an aqueous-alcohol medium in which the alcohol concentration is sufficient to reverse the esterase activity. The .alpha.-L-aspartyl-L-phenylalanine alkyl esters so produced are useful as artificial sweeteners.
    Type: Grant
    Filed: September 2, 1980
    Date of Patent: October 6, 1981
    Assignee: G. D. Searle & Co.
    Inventor: Arthur A. Davino