Patents by Inventor Abraham Kutner

Abraham Kutner 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 preparing silicate coated polypropylene film
    Patent number: 4247576
    Abstract: It has been found that thin oriented polypropylene film can be coated with a submicron thickness of an alkali metal silicate. The thus coated film gives excellent results when used to separate the negative from the liquid photopolymer in preparing plastic printing plates.
    Type: Grant
    Filed: March 9, 1979
    Date of Patent: January 27, 1981
    Assignee: Hercules Incorporated
    Inventor: Abraham Kutner