Patents by Inventor Jerry E. Quasny

Jerry E. Quasny 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).

  • Solvent dewaxing process
    Patent number: 4115242
    Abstract: A process wherein a light waxy petroleum distillate stock, having a viscosity less than about 200 SUS at 100.degree. F, is heated for melting any wax therein, wherein said heated waxy stock is incrementally mixed with a flowing stream of dewaxing solvent, having a temperature in the range of 40.degree.-80.degree. F, for forming an oil/solvent mixture at a temperature 5.degree.-10.degree. F below the depressed cloud point, and wherein the oil/solvent mixture is cooled at a uniform rate in the range of 1.degree.-8.degree. F/min. to a separation temperature in the range of +25.degree. to -40.degree. F for precipitating wax from said mixture.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: September 19, 1978
    Assignee: Texaco Inc.
    Inventors: Avilino Sequeira, Herbert J. Pitman, Charles W. Harrison, Jerry E. Quasny