Patents by Inventor Laurence H. Handler

Laurence H. Handler 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).

  • Patent number: 4379746
    Abstract: A field method for removing polychlorinated biphenyls (PCB's) and similar halogenated aromatic hydrocarbons from silicone based oils and hydrocarbon fluids such as transformer oils contaminated with them by contacting the contaminated oil with a hydrocarbon dispersion of sodium, reacting the mixture of oil and sodium dispersion at a temperature above about 75.degree. C., and passing the treated oil through a filter medium or other separating means to remove particulate and other contaminating material.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: April 12, 1983
    Assignee: Sun-Ohio, Inc.
    Inventors: Oscar L. Norman, Laurence H. Handler