Patents by Inventor Stephen M. Creighton

Stephen M. Creighton 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).

  • Thermal recovery of hydrocarbon from tar sands
    Patent number: 4006778
    Abstract: A method for the recovery of low API gravity viscous oils or bitumens from a subterranean formation by the injection of a mixture of an oxygen-containing gas and steam at a temperature corresponding to the temperature of saturated steam at the pressure of the formation.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: February 8, 1977
    Assignee: Texaco Exploration Canada Ltd.
    Inventors: David A. Redford, Stephen M. Creighton
  • Esters of hydroxyaryl adducts of decachloropentacyclo (5.3.0.0.sup.2,6.0.sup.4,10 0.sup.5,9) decane-3-one
    Patent number: 3959353
    Abstract: This invention relates to novel hydroxy-aromatic derivatives of decachloropentacyclo (5.3.0.0.sup.2,6.0.sup.4,10.0.sup.5,9) decane-3-one (C.sub.10 Cl.sub.10 O) and to reaction products of such derivatives with carboxylic compounds; products of this invention are useful as resin intermediates in the preparation of unsaturated polyesters, and saturated polyesters which can be reacted with formaldehyde, trioxane, or hexamethylene tetramine to produce thermosetting plastics.
    Type: Grant
    Filed: May 29, 1973
    Date of Patent: May 25, 1976
    Assignee: Hooker Chemicals & Plastics Corporation
    Inventor: Stephen M. Creighton