Patents by Inventor Arthur F. Murphy

Arthur F. Murphy 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 removing vinylidene chloride and other unsaturated compounds from 1,1-dichloro-1-fluoroethane
    Patent number: 5190626
    Abstract: Vinylidene chloride is removed from 1,1-dichloro-1-fluoroethane (HCFC-141b) by contacting the HCFC-141b in the vapor phase with chlorine in the presence of ultraviolet light providing an exposure up to about 50 watts-hour/kg.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: March 2, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Stephen F. Yates, Addison M. Smith, Arthur F. Murphy