Patents by Inventor James Colaianne

James Colaianne 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 separating dimethyl ether from a hydrocarbon mixture containing the same
    Patent number: 4603225
    Abstract: A process for separating dimethyl ether from a hydrocarbon mixture which comprises contacting the hydrocarbon mixture with an aqueous solution containing a polar oxygenated hydrocarbon having a polarity of about 1.4 to about 2.0 Debyes.
    Type: Grant
    Filed: September 11, 1985
    Date of Patent: July 29, 1986
    Assignee: Dravo Corporation
    Inventors: James Colaianne, Thomas J. Junker, Lawrence Saroff