Patents by Inventor Rainer Bender

Rainer Bender 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).

  • Surface treatment of disk-shaped nickel-plated aluminum substrates
    Patent number: 4835909
    Abstract: Disk-shaped nickel-plated aluminum substrates which are used as bases in the production of magnetic recording disks having a magnetizable metallic layer are surface treated by polishing and texturing.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: June 6, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Richter, Werner Grau, Gerd Maurer, Friedrich Domas, Werner Loeser, Rainer Bender, Axel-Ruediger Schulze, Kurt Doerr