Patents by Inventor Carl B. Illig

Carl B. Illig 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).

  • Patent number: 5352434
    Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and a barium salt in a pharmaceutically acceptable carrier; and methods for their use in diagnostic radiology of the gastrointestinal tract.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: October 4, 1994
    Assignee: Sterling Winthrop Inc.
    Inventors: Carl B. Illig, John L. Toner
  • Patent number: 5258407
    Abstract: Certain 3,4-disubstituted phenols and pharmaceutically acceptable salts thereof are provided which mimic IL-1 activity by inducing IL-2 synthesis and subsequent IL-2 receptor expression. Specifically, the invention provides compounds of Formula I and acid addition salts thereof: ##STR1## wherein Y is ##STR2## NHSO.sub.2 or SO.sub.2 NH where R.sup.4 is H; Z is --O--, --NH--, --NR--, --S--, or other heteroatoms capable of hydrogen bonding with R.sup.4 to give a preferred conformation;R is alkyl;R.sup.1 is --OH;R.sup.2 is H, alkyl, cycloalkyl, aralkyl, substituted or unsubstituted aryl, or a substituted or unsubstituted nitrogen heterocyclic group having 4 to 5 nuclear carbon atoms; andR.sup.3 is a lipophilic moiety.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: November 2, 1993
    Assignee: Sterling Winthrop Inc.
    Inventors: William N. Washburn, Barbara B. Lussier, Carl B. Illig, Lee H. Latimer