Patents by Inventor John D. Sterling, Jr.

John D. Sterling, Jr. 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).

  • Aerosol propellants of monochlorodifluoromethane, dimethylether and butane
    Patent number: 4595522
    Abstract: Propellant gas compositions for aerosol products are disclosed consisting essentially of monochlorodifluoromethane, dimethyl ether and a hydrocarbon selected from the group consisting of butane, isobutane and mixtures thereof, said compositions having a vapor pressure of about 50 to 60 psig at 70.degree. F.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: June 17, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Philip L. Bartlett, John J. Daly, Jr., John D. Sterling, Jr.
  • Aerosol propellants of monochlorodifluoromethane, dimethylether and methylene chloride
    Patent number: 4585577
    Abstract: Propellant gas compositions for aerosol products are disclosed consisting essentially of monochlorodifluoromethane, dimethyl ether and methylene chloride, said compositions having a vapor pressure of about 50 to 60 psig at 70.degree. F.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: April 29, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Philip L. Bartlett, John J. Daly, Jr., John D. Sterling, Jr.
  • Aerosol propellant compositions
    Patent number: 4543202
    Abstract: Propellant gas compositions for aerosol products consisting essentially of monochlorodifluoromethane, dimethyl ether and 1-chloro-1,1-difluoroethane, said compositions having a vapor pressure of about 50 to 60 psig at 70.degree. F.
    Type: Grant
    Filed: March 23, 1984
    Date of Patent: September 24, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Philip L. Bartlett, John J. Daly, Jr., John D. Sterling, Jr.