Patents by Inventor William Milton Hutchinson, deceased

William Milton Hutchinson, deceased 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).

  • Constant boiling admixtures
    Patent number: 4097398
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1-difluoroethane (F-132B) with acetone, with methanol, and with ethanol; and a constant boiling ternary admixture is formed with diethyl ether and ethanol. Constant boiling binary admixtures are formed by 1,1,2-trifluoroethane (F-143) with octafluorocyclobutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoromethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: June 27, 1978
    Assignee: Phillips Petroleum Company
    Inventors: William Milton Hutchinson, deceased, by Florence M. Hutchinson, executrix
  • Constant boiling admixtures
    Patent number: 4086180
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1-difluoroethane (F-132B) with acetone, with methanol, and with ethanol; and a constant boiling ternary admixture is formed with diethyl ether and ethanol. Constant boiling binary admixtures are formed by 1,1,2-trifluoroethane (F-143) with octafluorocyclobutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoromethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: April 25, 1978
    Assignee: Phillips Petroleum Company
    Inventors: William Milton Hutchinson, deceased, by Florence M. Hutchinson, executrix
  • Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane
    Patent number: 4062795
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1,2-trifluoroethane with trichlorofluoromethane, with diethyl ether, and with dichloromethane. A constant boiling ternary admixture is formed by 1,2-dichloro-1,1,2-trifluoroethane, diethyl ether, and 1,2-dibromo-1,1,2,2-tetrafluoroethane.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: December 13, 1977
    Assignee: Phillips Petroleum Company
    Inventors: William Milton Hutchinson, deceased, by Florence M. Hutchinson, exectrix
  • Constant boiling admixtures
    Patent number: 4039465
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1-difluoroethane (F-132B) with acetone, with methanol, and with ethanol; and a constant boiling ternary admixture is formed with diethyl ether and ethanol. Constant boiling binary admixtures are formed by 1,1,2-trifluoroethane (F-143) with octafluorocyclolbutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoramethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: August 2, 1977
    Assignee: Phillips Petroleum Company
    Inventors: William Milton Hutchinson, deceased, by Florence M. Hutchinson, executrix
  • Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane
    Patent number: 4032467
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1,2-trifluoroethane with trichlorofluoromethane, with diethyl ether, and with dichloromethane. A constant boiling ternary admixture is formed by 1,2-dichloro-1,1,2-trifluoroethane, diethyl ether, and 1,2-dibromo-1,1,2,2-tetrafluoroethane.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: June 28, 1977
    Assignee: Phillips Petroleum Company
    Inventor: William Milton Hutchinson, deceased
  • Purification of fluorinated ethers
    Patent number: 4025567
    Abstract: A process for the purification of partially fluorinated dimethyl ethers to remove impurities from bis(difluoromethyl) ether and from difluoromethyl fluoromethyl ether by washing the ether-containing stream with sulfuric acid or hydrochloric acid. The acid extract is diluted with water to form two phases which can be separated.
    Type: Grant
    Filed: November 20, 1974
    Date of Patent: May 24, 1977
    Assignee: Phillips Petroleum Company
    Inventors: William Milton Hutchinson, deceased, by Florence M. Hutchinson, executrix
  • Constant boiling admixtures
    Patent number: 4024086
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1-difluoroethane (F-132B) with acetone, with methanol, and with ethanol; and a constant boiling ternary admixture is formed with diethyl ether and ethanol. Constant boiling binary admixtures are formed by 1,1,2-trifluoroethane (F-143) with octafluorocyclobutane, with 1,2-dichloro-1,1,2,2-tetrafluoroethane, with dichlorofluoromethane, with trichlorofluoromethane, with 1,1,2-trichloro-1,2,2-trifluoroethane, and with 1,1,1-trifluoro-2-chloroethane.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: May 17, 1977
    Assignee: Phillips Petroleum Company
    Inventor: William Milton Hutchinson, deceased
  • Azeotropes of 1,2-dichloro-1,1,2-trifluoroethane
    Patent number: 4002573
    Abstract: Constant boiling binary admixtures are formed by 1,2-dichloro-1,1,2-trifluoroethane with trichlorofluoromethane, with diethyl ether, and with dichloromethane. A constant boiling ternary admixture is formed by 1,2-dichloro-1,1,2-trifluoroethane, diethyl ether, and 1,2-dibromo-1,1,2,2-tetrafluoroethane.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: January 11, 1977
    Assignee: Phillips Petroleum Company
    Inventor: William Milton Hutchinson, deceased