Patents by Inventor Udo Wittenberger

Udo Wittenberger 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).

  • Process for the production of cell stimulating agents
    Patent number: 4599176
    Abstract: The invention concerns a process for obtaining cell respiratory stimulating active agents having a molecular weight in the range of about 300 to 8000 Dalton, by defibrination of calves blood, hemolyzing the solution obtained thereby, separating the proteins and substances having a molecular weight of over about 8000 Dalton comprised in the hemolyzed solution by a membrane separation procedure, concentrating the resulting protein- and high molecular weight-freed solution under reduced pressure at a temperature not exceeding 40.degree. C. to a density in the range of 1.10 to 1.15 g/ml at 20.degree. C.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: July 8, 1986
    Assignee: Solco Basel AG
    Inventor: Udo Wittenberger