Patents Assigned to Robugen GmbH
  • .omega.-Substituted alkanes and 1-hydroxyalkanes
    Patent number: 4067877
    Abstract: Straight- and branched-chain alkanes and 1-hydroxyalkanes of 4 to 18 carbon atoms, substituted in the .omega.-position by hetero-cyclic groups having the formula: wherein X is a methine group or a nitrogen atom and Y is oxygen or sulfur are prepared by reacting a haloalkane or a haloalkanol with an alkali metal salt of a compound containing the desired heterocyclic group, such as a pyridone or a substituted pyrimidine. The compounds have been found to be useful in accelerating the dark adaptation, as determined in tests with mice.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: January 10, 1978
    Assignee: Robugen GmbH
    Inventor: Kailash Kumar Gauri
  • Alkyl-substituted 6-chloro-2-thiouracils
    Patent number: 4020070
    Abstract: A 2-thio-6-chlorouracil having the formula: ##STR1## wherein R.sub.1, R.sub.3 and R.sub.5 are the same or different and represent an alkyl, aryl or aralkyl group. R.sub.1 can also be hydrogen or an alkenyl group. These compounds are useful as inhibitors of the enzyme, alcohol dehydrogenase.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: April 26, 1977
    Assignee: Robugen GmbH
    Inventor: Kailash Kumar Gauri