Patents by Inventor Rudolf Leonard Osowski

Rudolf Leonard Osowski 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).

  • Developer and process for preparing flexographic printing forms
    Patent number: 6506542
    Abstract: An aqueous developer for photopolymerizable flexographic printing plates containing a combination of an amino alcohol and/or an amino carboxylic acid and a surfactant or a combination of two surfactants and a process for preparing flexographic printing forms by the use of this developer are described.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: January 14, 2003
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Ursula Annerose Kraska, Rudolf Leonard Osowski