Patents by Inventor Hans Buhlmann

Hans Buhlmann 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).

  • Pharmaceutical preparation comprising co-dergocrine and a calcium antagonist
    Patent number: 4797404
    Abstract: Pharmaceutical preparations comprising (a) co-dergocrine or a pharmaceutically acceptable acid addition salt thereof and (b) a calcium antagonist or a pharmaceutically acceptable salt thereof, as well as the treatment of hypertension/migraine by co-administration of components (a) and (b), e.g. in the form of a composition as defined.
    Type: Grant
    Filed: December 1, 1987
    Date of Patent: January 10, 1989
    Assignee: Sandoz Ltd.
    Inventors: Dieter Welzel, Hans Buhlmann
  • Pharmaceutical preparation comprising co-dergocrine and a calcium antagonist
    Patent number: 4617306
    Abstract: Pharmaceutical preparations comprising (a) co-dergocrine or a pharmaceutically acceptable acid addition salt thereof and (b) a calcium antagonist or a pharmaceutically acceptable salt thereof, as well as the treatment of hypertension/migraine by co-administration of components (a) and (b), e.g. in the form of a composition as defined.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: October 14, 1986
    Assignee: Sandoz Ltd.
    Inventors: Dieter Welzel, Hans Buhlmann
  • Method for the treatment of post-operative thrombosis
    Patent number: 4451458
    Abstract: The invention provides novel pharmaceutical compositions useful in the treatment of thrombosis in mammals, comprising a mixture of dihydroergotamine or a related ergot alkaloid and heparin.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: May 29, 1984
    Assignee: Sandoz Ltd.
    Inventors: Hans Buhlmann, Dieter Welzel