Patents by Inventor Reiner Stoll

Reiner Stoll 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 coating circuit boards
    Patent number: 5443672
    Abstract: A process is disclosed for coating a circuit board with a photopolymerizable material which is applied by extension at temperatures of 100.degree. to 180.degree. C. followed by distributing the material under pressure by a roller.
    Type: Grant
    Filed: October 4, 1994
    Date of Patent: August 22, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Reiner Stoll, Britta Schulmeyer
  • Process for coating surfaces made tacky beforehand
    Patent number: 5167989
    Abstract: Process for coating tacky surface areas of an object, e.g., polymer surfaces making tacky areas by irradiation, commprising bringing particulate coating material, e.g., pigments, metals, etc., into contact with the tacky surface areas, and removing excess particulate coating material particularly from non-tacky areas, the particulate coating material being compressed beyond its bulk density by continuous vibration for at least a part of the time the particulate coating material is in contact with the surface to be coated. The process is useful in the preparation of color TV screens, electrical circuits, etc.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: December 1, 1992
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Dietmar Dudek, Reiner Stoll, Thomas Pfeiffer, Robert W. Hooley