Patents by Inventor Oskar Rohte

Oskar Rohte 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).

  • 7-(Oxoalkyl)-1,3-di-n-iso-propyl xanthines and their production
    Patent number: 4291037
    Abstract: 7-(Oxoalkyl)-1,3-dialkyl xanthines whose substituents in the 1- and 3-positions are alkyl groups of 2 to 6 carbons, cyclohexyl, alkoxyalkyl or hydroxyalkyl, such as 7-(3-oxobutyl)-1,3-di-n-butylxanthine, are effective vasodilators, having a marked activity in promoting blood flow through skeletal muscle, while at the same time exhibiting low toxicity.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: September 22, 1981
    Assignee: Johann A. Wulfing
    Inventors: Gunther Brenner, Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher
  • 7-(Oxoalkyl)-1,3-dialkyl xanthines, and medicaments containing them
    Patent number: 4242345
    Abstract: 7-(Oxoalkyl)-1,3-dialkyl xanthines whose substituents in the 1- and 3-positions are alkyl groups of 2 to 6 carbons, cyclohexyl, alkoxyalkyl or hydroxyalkyl, such as 7-(3-oxobutyl)-1,3-di-n-butylxanthine, are effective vasodilators, having a marked activity in promoting blood flow through skeletal muscle, while at the same time exhibiting low toxicity.
    Type: Grant
    Filed: September 19, 1978
    Date of Patent: December 30, 1980
    Assignee: Johann A. Wulfing
    Inventors: Gunther Brenner, Joachim Goring, Eskendar Ali Khan, Oskar Rohte, Manfred Tauscher
  • Esters of 5-n-butylpyridine-2 carboxylic acid and pharmaceutical compositions containing these compounds
    Patent number: 3995046
    Abstract: Novel 3,4,5-trimethoxybenzoyloxyalkyl esters of 5-n-butylpyridine-2-carboxylic acid are superior to the free acid in their ability to reduce mammalian hypertension.
    Type: Grant
    Filed: September 11, 1975
    Date of Patent: November 30, 1976
    Assignee: Johann A. Wulfing
    Inventors: Karl Credner, Berthold Geisel, Oskar Rohte, Manfred Tauscher
  • 1,3-BIS(Beta-ethylhexyl)-5-amino-5-methylhexahydropyrimidine-pyridine- 3-carboxylate, process for its preparation and pharmaceutical compositions containing this compound
    Patent number: 3946013
    Abstract: 1,3-BIS(.beta.-ETHYLHEXYL)-5-AMINO-5-METHYLHEXAHYDROPYRIMIDINE PYRIDINE-3-CARBOXYLATE(HEXETIDINE NICOTINATE), WHICH HAS GREATER BACTERIOSTATIC ACTIVITY AND LOWER TOXICITY IN COMPARISON WITH HEXETIDINE OR OTHER SALTS OF HEXETIDINE, IS PREPARED BY REACTING HEXETIDINE OR AN ACID ADDITION SALT THEREOF WITH NICOTINIC ACID IN AN ORGANIC SOLVENT.
    Type: Grant
    Filed: February 28, 1974
    Date of Patent: March 23, 1976
    Assignee: Johann A. Wulfing
    Inventors: Manfred Tauscher, Joachim Goring, Wolfgang Busch, Oskar Rohte