Patents by Inventor Reiner Voight

Reiner Voight 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).

  • Dental investment compounds in the form of a powder with improved flow properties
    Patent number: 5304239
    Abstract: In the preparation of a dental appliance wherein an investment compound is mixed with a liquid and then cast, the improvement wherein the investment compound is a plaster- or phosphate-bound investment compound which is free of an anionic surface-active agent and containing an iso-paraffin of the formula ##STR1## in which n denotes 2, 3, 4 or 5.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: April 19, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Schwabe, Karl-Wilhelm Theis, Reiner Voight, Jens Winkel