Patents Examined by Grace Hanks
  • Low cariogenic sweetening agents
    Patent number: 4808409
    Abstract: Racemic hernandulcin, a sesquiterpene, possesses a sweetness intensity about three orders of magnitude greater than that of sucrose. It is non-mutagenic and non-toxic under conventional assay procedures. In addition to attractive utility in foods, beverages and pharmaceutical compositions, it affords a low-cariogenic, essentially non-nutritive sweetening agent for inclusion in oral hygiene products.
    Type: Grant
    Filed: August 16, 1984
    Date of Patent: February 28, 1989
    Assignee: Board of Trustees, University of Illinois
    Inventors: Alan D. Kinghorn, Cesar M. Compadre, John M. Pezzuto
  • Flavonoxypropanolamines and esters of flavonoxypropanolamines as antiarrhythmic agents
    Patent number: 4797498
    Abstract: Ester derivatives of N-substituted and N,N-disubstituted aminopropanoloxy flavones in which the aminopropanoloxy side chain is inserted at either the 5-, 6-, 7- or 8-position of the flavone nucleus, and N-substituted and N,N-disubstituted aminopropanoloxy flavones in which the aminopropanoloxy side chain is inserted at the 8-position of the flavone nucleus; useful as anti-dysrhythmic agents.
    Type: Grant
    Filed: July 18, 1986
    Date of Patent: January 10, 1989
    Assignee: Pennwalt Corporation
    Inventors: William L. Albrecht, Edwin S. Wu