Patents by Inventor Abid Nazarali Merchant

Abid Nazarali Merchant 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).

  • Patent number: 5897809
    Abstract: Azeotropic or azeotrope-like compositions comprising effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and cyclohexane or 1,1,1,2,3,4,4,5,5,5-decafluoropentane, cyclohexane and acetone to form an azeotropic or azeotrope-like composition that are useful as cleaning agents, displacement drying agents, wipe solvents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids are described.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: April 27, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Abid Nazarali Merchant, Barbara Haviland Minor, Shoeb Akberali Moiyadi
  • Patent number: 5851436
    Abstract: Compositions of nonafluoromethoxybutane and cyclopentane, nonafluoromethoxybutane and cyclohexane; nonafluoromethoxybutane, cyclopentane and acetone, nonafluoromethoxybutane, cyclohexane and acetone, nonafluoromethoxybutane, trans-1,2-dichloroethylene and cyclopentane; and nonafluoromethoxybutane, trans-1,2-dichloroethylene, cyclopentane and methanol are described. These compositions are useful as cleaning agents, displacement drying agents, refrigerants, heat transfer media, expansion agents for polyolefins and polyurethanes, aerosol propellants, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, and buffing abrasive agents.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: December 22, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Abid Nazarali Merchant, Barbara Haviland Minor, Shoeb Akberali Moiyadi
  • Patent number: 5827446
    Abstract: Compositions of nonafluoromethoxybutane and at least one component selected from the group consisting of methanol, ethanol, isopropanol, n-heptane, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene and acetone, and 1,1,1,2,3,4,4,5,5,5-decafluoropentane are described. These compositions are useful as cleaning agents, displacement drying agents, refrigerants, heat transfer media, expansion agents for polyolefins and polyurethanes, aerosol propellants, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, and buffing abrasive agents.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: October 27, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Abid Nazarali Merchant, Barbara Haviland Minor
  • Patent number: 5824634
    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 200.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: July 2, 1996
    Date of Patent: October 20, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Abid Nazarali Merchant
  • Patent number: 5762817
    Abstract: Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, 1,1-dichloroethane and an alcohol such as methanol, ethanol, 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: February 24, 1997
    Date of Patent: June 9, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Abid Nazarali Merchant, Barbara Haviland Minor
  • Patent number: 5759986
    Abstract: Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, trans-1,2-dichloroethylene, cyclopentane and methanol or 1,1,1,2,3,4,4,5,5,5-decafluoropentane, trans-1,2-dichloroethylene and cyclopentane 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: April 2, 1997
    Date of Patent: June 2, 1998
    Inventors: Abid Nazarali Merchant, Barbara Haviland Minor, Shoeb Akberali Moiyadi