Patents by Inventor Michiel van den Brink

Michiel van den Brink 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).

Photoconductive element having a layer including a photoconductive cadmium compound and hydrophobic colloidal silica

Patent number: 4026702

Abstract: The electrophotographic properties of photoconductive elements sensitized by a cadmium sulfide-binder layer are improved by incorporating hydrophobic colloidal silica in the photoconductive layer.

Type: Grant

Filed: November 28, 1975

Date of Patent: May 31, 1977

Assignee: Oce-van der Grinten N.V.

Inventors: Michiel van den Brink, Andreas C. Stoot

Photoconductive element having a layer including a photoconductive cadmium compound and hydrophobic colloidal silica