Patents by Inventor Bhanu D. Patel

Bhanu D. Patel 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).

  • Low pollution solvents and emulsions especially useful in cleaning soils from painted and unpainted metal and plastic surfaces
    Patent number: 6670315
    Abstract: Tertiary-butyl acetate does not produce vapors which are considered as hazardous or polluting as those of other common organic solvents. Accordingly, the present invention discloses a general purpose cleaning composition that is formed by emulsifying t-butyl acetate with water. In another embodiment of the present invention, a general purpose cleaning composition is formed by mixing t-butyl acetate with more traditional solvents. The present invention also discloses liquid compositions for direct use in cleaning metals, processes for preparing such liquid compositions, and processes for cleaning metal and/or plastic surfaces with a composition according to the invention.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: December 30, 2003
    Assignee: Henkel Corporation
    Inventors: Lawrence J. Marlin, Bhanu D. Patel
  • Temporary protective coating compositions
    Patent number: 6448313
    Abstract: Aqueous compositions are provided which are useful for forming temporary protective coatings on metallic substrates. The aqueous compositions may contain polyvinyl alcohol, surfactant and corrosion inhibitor. The protective coating may be easily removed once the substrate has been formed or otherwise shaped.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: September 10, 2002
    Assignee: Henkel Corporation
    Inventor: Bhanu D. Patel
  • Temporary protective coating compositions
    Publication number: 20020026882
    Abstract: Aqueous compositions are provided which are useful for forming temporary protective coatings on metallic substrates. The aqueous compositions may contain polyvinyl alcohol, surfactant and corrosion inhibitor. The protective coating may be easily removed once the substrate has been formed or otherwise shaped.
    Type: Application
    Filed: January 26, 2001
    Publication date: March 7, 2002
    Inventor: Bhanu D. Patel