Patents by Inventor Edward C. Bialczak

Edward C. Bialczak 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).

  • Waterborne two component diazo type coating composition with hydrolyzed polyvinyl acetate and hexamethoxy methylmelamine resin
    Patent number: 4495269
    Abstract: An aqueous diazo coating composition is disclosed to be used in accordance with an alkaline vapor development system, containing a hydrolyzed resin together with a diazo light-sensitive compound, coupling agent and stabilizing materials. The aqueous diazo coating composition of the present invention provides a method of fabricating a light-sensitive diazo member for use in combination with a development system utilizing alkaline vapors which excludes the use of organic solvents.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: January 22, 1985
    Assignee: AM International, Inc.
    Inventors: Edward C. Bialczak, John J. Chernovitz
  • Process of making and using fade-resistant diazo microfilm
    Patent number: 4306007
    Abstract: A diazo microfilm which is resistant to fading upon exposure to strong light for extended periods of time is provided. The fade-resistant diazo microfilm is produced by saponifying a cellulose alkanoate film to an extent defined by certain infrared absorption parameters.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: December 15, 1981
    Assignee: AM International, Inc.
    Inventor: Edward C. Bialczak
  • Photosensitive diazomicrofilm adapted to be readable but nonreproducible upon processing
    Patent number: 4080208
    Abstract: A translucent sheet bearing opaque graphic intelligence thereon coated with a film which absorbs ultraviolet light, whereby the passage of visible light therethrough projects a legible image while light in the ultraviolet range is not transmitted so that diazotype copies cannot be produced of the graphic intelligence.
    Type: Grant
    Filed: June 28, 1976
    Date of Patent: March 21, 1978
    Assignee: Addressograph Multigraph Corporation
    Inventor: Edward C. Bialczak
  • Light-sensitive diazotype with yellow diazo couplers
    Patent number: 3971663
    Abstract: A light-sensitive diazotype material comprising a base support having a coating thereon which comprises a light-sensitive diazonium compound and a coupling component having the general formula ##SPC1##Wherein R is hydrogen, a lower alkyl radical, halogen or aryl, and R' is hydrogen or SO.sub.3 M wherein M is a monovalent cation.
    Type: Grant
    Filed: April 11, 1974
    Date of Patent: July 27, 1976
    Inventor: Edward C. Bialczak