Patents by Inventor Otto Dittmann

Otto Dittmann 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).

  • Patent number: 5364350
    Abstract: A twin-chamber syringe has a pyrogen-free sterile solvent in the chamber averted from the needle, and in the second chamber facing the needle a charge of activity-sensitive human protein, introduced and lyophilized in a single operation in the syringe, where it is stored , in a quantity necessary for therapeutically effective administration. The invention also relates to the filling of the syringe and the potential it offers for immediate use of activity-sensitive human proteins and for self-administration at home.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: November 15, 1994
    Assignee: Alpha-Terapeutic GmbH
    Inventor: Otto Dittmann
  • Patent number: 5176635
    Abstract: A twin-chamber syringe has a pyrogen-free sterile solvent in the chamber averted from the needle, and in the second chamber facing the needle a charge of activity-sensitive human protein, introduced and lyophilized in a single operation in the syringe, where it is stored, in a quantity necessary for therapeutically effective administration. The invention also relates to the filling of the syringe and the potential it offers for immediate use of activity-sensitive human proteins and for self-administration at home.
    Type: Grant
    Filed: December 6, 1989
    Date of Patent: January 5, 1993
    Assignee: Alpha-Therapeutic GmbH
    Inventor: Otto Dittmann