Patents by Inventor Kawporn Sussangkarn

Kawporn Sussangkarn 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).

  • Pharmaceutically useful furyl substituted dihydroxyethylbutyrolactones
    Patent number: 5102909
    Abstract: The compounds 2-(5-methylthiomethyl-2-furyl)-2-hydroxy-3-keto-4- dihydroxyethylbutyrolactone and 2-(5-methoxymethyl-2- furyl)-2-furyl(-2-hydroxy-3-keto-4-dihydroxyethylbutyrolactone and pharmaceutical compositions containing them are useful to regulate the immune response in mammals.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: April 7, 1992
    Assignee: Theracel Corporation
    Inventors: Robert W. Veltri, Gabor B. Fodor, Kawporn Sussangkarn
  • Condensation products of cyclic diketones and ascorbic acid as immunomodulatory agents
    Patent number: 4883808
    Abstract: It has now been discovered that the acid catalyzed Michael reaction products of ascorbic acid and certain selected ketones are useful for their therapeutic activity. More specifically the useful reaction products of the invention are those obtained by reactions of ascorbic acid with .alpha.,.beta. unsaturated alicyclic diketones containing from 5 to 7 carbon atoms.The preferred compounds of the invention may be represented by the formula: ##STR1## wherein n is 1, 2 or 3. The ability of the compounds of this invention to stimulate an immune response has been established by a number of art recognized tests.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: November 28, 1989
    Assignee: American Biotechnology Company
    Inventors: Gabor B. Fodor, Kawporn Sussangkarn, Robert W. Veltri