Patents by Inventor Milan R. Skripek

Milan R. Skripek 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).

  • Method for producing needle coke
    Patent number: 4545859
    Abstract: A method is provided for producing needle coke comprising the steps of heating green needle coke at temperatures between about 935.degree. F. and about 1,100.degree. F. for between about 10 minutes and about 24 hours, cooling the coke to below about 250.degree. F., and calcining the coke at calcination temperatures above about 2,000.degree. F.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: October 8, 1985
    Assignee: Union Oil Company of California
    Inventors: Arnold E. Kelley, Michael J. Block, Milan R. Skripek
  • Method for producing needle coke
    Patent number: 4521278
    Abstract: A method is provided for producing needle coke comprising the steps of heating green needle coke at temperatures between about 875.degree. F. and about 1,200.degree. F. for between about 10 minutes and about 24 hours, and, without first allowing the temperature of the coke to cool below about 250.degree. F., calcining the green needle coke at calcination temperatures above about 2,000.degree. F.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: June 4, 1985
    Assignee: Union Oil Company of California
    Inventors: Arnold E. Kelley, Michael J. Block, Milan R. Skripek