Patents by Inventor Ronald P. Festa

Ronald P. Festa 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).

  • Process for extracting oil from contaminated filter media
    Patent number: 5938927
    Abstract: Oil and oil additives separated from a contaminated solid particulate filter medium, preferably diatomaceous earth particles. Portions of a mixture of oil, oil additives and the filter medium are compressed into pellets that are extracted with liquid or supercritical CO.sub.2 to form a liquid solution. The solution is separated from the pellets and then heated to 20.degree.-60.degree. C. at a superatmospheric pressure to drive off CO.sub.2 gas, which is preferably recycled by compression into liquid or supercritical CO.sub.2.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: August 17, 1999
    Assignee: Aluminum Company of America
    Inventors: Ronald A. Reich, Ronald P. Festa, Mark L. Weaver
  • Metalworking lubricant composition containing propoxylated fatty alcohol
    Patent number: 4830768
    Abstract: A metalworking lubricant composition comprising a propoxylated fatty alcohol; a carboxylic acid, carboxylic acid ester, or mixture of said acid and said ester; and water. The composition demonstrates a reduced tendency to form soap and sludge and to increase in viscosity compared with prior art lubricant compositions containing mineral oil.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: May 16, 1989
    Assignee: Aluminum Company of America
    Inventors: Ronald A. Reich, Ronald P. Festa
  • Metalworking lubricant comprising an oil-in-water microemulsion
    Patent number: 4781848
    Abstract: A metalworking lubricant comprising an oil-in-water microemulsion and containing about 1-30 wt % natural or synthetic oil; about 0.5-30 wt % of a water-soluble surfactant, preferably a nonionic surfactant; about 1-20 wt % of an organic consurfactant, preferably 1,2-octanediol; and about 45-97.5 wt % water containing less than about 1 wt % dissolved inorganic salts. The lubricant is suitable for various metalworking methods, including hot rolling and cold rolling of aluminum and aluminum alloys.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: November 1, 1988
    Assignee: Aluminum Company of America
    Inventors: Girma Biresaw, Ronald A. Reich, John Bohaychick, Ronald P. Festa
  • Lyotropic liquid crystal metalworking lubricant composition
    Patent number: 4781849
    Abstract: A metalworking lubricant comprising about 1-20 wt % natural or synthetic oil; about 0.5-30 wt % of a water-soluble surfactant, preferably a nonionic surfactant; about 1-20 wt % of an organic cosurfactant, preferably 1,2-octanediol; and about 50-97.5 wt % water containing less than about 1 wt % dissolved inorganic salts. The lubricant is preferably a lyotropic liquid crystal.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: November 1, 1988
    Assignee: Aluminum Company of America
    Inventors: Girma Biresaw, Ronald P. Festa