Patents by Inventor Craig C. Hood

Craig C. Hood 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 printed circuit board and/or printed wiring board soldermask testing
    Patent number: 4740247
    Abstract: Methods and compositions are provided for the removal of rosin soldering flux and adhesive tape residues from printed circuit and/or wiring boards, and for testing the quality of curing of U.V.-cured soldermask on such boards. The compositions of the invention contain terpene compounds, preferably in combination with terpene emulsifying surfactants to facilitate removal by rinsing in water.
    Type: Grant
    Filed: June 24, 1986
    Date of Patent: April 26, 1988
    Assignee: Petroleum Fermentations N.V.
    Inventors: Michael E. Hayes, Craig C. Hood, Ronald E. Miller, Robert Sharpe
  • Method for printed circuit board and/or printed wiring board cleaning
    Patent number: 4640719
    Abstract: Methods and compositions are provided for the removal of rosin soldering flux and adhesive tape residues from printed circuit and/or wiring boards, and for testing the quality of curing of U.V.-cured soldermask on such boards. The compositions of the invention contain terpene compounds, preferably in combination with terpene emulsifying surfactants to facilitate removal by rinsing in water.
    Type: Grant
    Filed: July 1, 1985
    Date of Patent: February 3, 1987
    Assignee: Petroleum Fermentations N.V.
    Inventors: Michael E. Hayes, Craig C. Hood, Ronald E. Miller, Robert Sharpe