Patents by Inventor Klaus P. Laesecke

Klaus P. Laesecke 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).

  • Lipoidal biopterin compounds
    Patent number: 4550109
    Abstract: The present invention provides lipoidal biopterin and tetrahydrobiopterin compounds of the general structure: ##STR1## wherein --R is absent when ring B has two double bonds,--R is hydrogen when the two double bonds in ring B are absent, and--R' and R" are selected from saturated or unsaturated, cyclic or non-cyclic hydrocarbons of 1 to 31 carbon units.The compounds provided by this invention are oil soluble and can readily be formulated as an oil based pharmaceutical useful for the treatment of phenylketonuria, Parkinsonism, depression, senile dementia, Alzheimer's disease and related biopterin deficiency diseases.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: October 29, 1985
    Assignee: The Board of Regents, The University of Texas System
    Inventors: Karl Folkers, Klaus P. Laesecke