Patents by Inventor D. Andrew Himmelblau

D. Andrew Himmelblau 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).

  • Method for controlling oil reservoir permeability using biomass oil
    Patent number: 5115084
    Abstract: A method for controlling the permeability of a petroleum-bearing subterranean formation including the steps of producing from biomass, a water-insoluble viscous biomass oil, and injecting the biomass oil into the petroleum bearing formation to decrease the permeability of at least some of the formation for altering flow paths through the formation to increase petroleum yield.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: May 19, 1992
    Assignee: Biocarbons Corporation
    Inventor: D. Andrew Himmelblau