Patents by Inventor Eugen Werner

Eugen Werner 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).

  • Light sensitive mass and process for its production
    Patent number: 4075015
    Abstract: A light sensitive mass which contains a film former, which consists of 20 to 90 percent by weight of a vinylpyrrolidone-vinyl acetate copolymer or a polyvinyl pyrrolidone or both and 10 to 80 percent by weight of an aryl sulfone amide formaldehyde resin, and at least one sensitizer, the weight ratio of said film former to sensitizer being between 1:1 and 10:1. Usually the light sensitive mass is used as a light sensitive reversal-development layer on a carrier.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: February 21, 1978
    Assignee: Swiss Aluminium Ltd.
    Inventors: Josef Vinkovic, Eugen Werner