Patents by Inventor Edmund Simmersbach

Edmund Simmersbach 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 abrasion resistant perborate monohydrate
    Patent number: 4002434
    Abstract: Abrasion resistant sodium perborate monohydrate is prepared by treating sodium perborate monohydrate with at least 5% of water at a temperature of 20.degree. - 90.degree. C. in a moistening unit and then drying at a temperature beginning at 40.degree. C. and increasing to a maximum of 90.degree. C.
    Type: Grant
    Filed: February 17, 1972
    Date of Patent: January 11, 1977
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Edmund Simmersbach, Artur Schaller