Patents by Inventor John M. Locklin

John M. Locklin 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 vapor pressure solvent
    Patent number: 5676764
    Abstract: An advantageous effective cleaning solvent consisting essentially, according to one embodiment, of methyl ethyl ketone, methyl isobutyl ketone, isopropyl alcohol, toluene and n-butyl acetate, in certain ranges of proportions. Water also is included to aid in reducing the vapor pressure of the solvent. The composite vapor pressure of the solvent, at 20.degree. C., neglecting the vapor pressure contribution of water, is not greater than 35 mm of mercury. The invention solvent is particularly effective as a paint cleaner, e.g. for cleaning paint guns.
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: October 14, 1997
    Assignee: McDonnell Douglas Corporation
    Inventors: John M. Locklin, Paul A. Hatcher, Mervin A. Danforth