With Halogenated Hydrocarbon, Abrasive, Coating, Or Polishing Component Patents (Class 510/256)
  • High water content, low viscosity, oil continuous microemulsions and emulsions, and their use in cleaning applications
    Patent number: 5597792
    Abstract: Superior high water containing oil continuous microemulsions and emulsions for cleaning contain defined amounts of water, one or more ionic surfactants, and one or more organic solvents so that the compositions have a low conductivity and low viscosity.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: January 28, 1997
    Assignee: The Dow Chemical Company
    Inventors: John Klier, Gary M. Strandburg, Christopher J. Tucker
  • Ternary azeotropic compositions
    Patent number: 5580906
    Abstract: Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, heptane and an alcohol such as methanol, ethanol, n-propanol or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: December 3, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Abid N. Merchant, Barbara H. Minor
  • Hydrofluorocarbon cleaning compositions
    Patent number: 5531916
    Abstract: Cleaning compositions comprising an acyclic aliphatic hydrofluorocarbon represented by the formula:C.sub.x H.sub.y F.sub.2x+2-ywhere x equals 4, 5 or 6, y equals 1, 2 or 3 with the proviso that when x equals 4, Y equals 2 or 3, and a co-solvent boiling between 20.degree. C.-105.degree. C. that are alcohols, esters, ethers, ketones, chlorinated hydrocarbons, optionally containing fluorine, having 1-4 carbons atoms, acetonitrile and nitromethane.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: July 2, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Abid N. Merchant