Patents by Inventor James R. Kolczynski

James R. Kolczynski 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).

  • Novel compositions comprising asymmetrical peroxydicarbonates and methods for their use
    Patent number: 4335230
    Abstract: Compositions comprising asymmetrical peroxydicarbonates and their use in polymerizing ethylenically unsaturated monomers such as vinyl chloride and diethylene glycol bis (allyl carbonate) are disclosed.
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: June 15, 1982
    Assignee: Akzona Incorporated
    Inventors: James R. Kolczynski, Gerald A. Schultz
  • Polyperoxy compounds
    Patent number: 4328360
    Abstract: A polyperoxyketal compound is provided having at least one carboxy group, a hydrocarbon ester. An example of this compound is n-butyl gamma,gamma-bis(t-butylperoxy)valerate. This polyperoxyketal compound is used as a vulcanizing agent for thermoplastic polymers such as rubber and ethylene-propylene rubber.
    Type: Grant
    Filed: February 5, 1980
    Date of Patent: May 4, 1982
    Assignee: Pennwalt Corporation
    Inventors: Wilbur H. McKellin, James R. Kolczynski, Orville L. Mageli, Antonio J. D'Angelo
  • Compositions comprising asymmetrical peroxydicarbonates and methods for their use
    Patent number: 4269726
    Abstract: Compositions comprising asymmetrical peroxydicarbonates and their use in polymerizing ethylenically unsaturated monomers such as vinyl chloride and diethylene glycol bis (allyl carbonate) are disclosed.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 26, 1981
    Assignee: Akzona Incorporated
    Inventors: James R. Kolczynski, Gerald A. Schultz