Patents by Inventor Timothy Juhlke

Timothy Juhlke 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).

  • Liquid-phase fluorination
    Patent number: 5674949
    Abstract: This invention pertains to a method for liquid-phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 7, 1997
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Liquid phase fluorination
    Patent number: 5571870
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: November 5, 1996
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Perfluorinated polyethers
    Patent number: 5539059
    Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 23, 1996
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Liquid-phase fluorination
    Patent number: 5332790
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: July 26, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Liquid-phase fluorination
    Patent number: 5322903
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: June 21, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Fluorination of acetals, ketals and orthoesters
    Patent number: 5300683
    Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoroether polymers that can be prepared by fluorinating polymers made by the polymerization of acetals, ketals, polyacetals, polyketals and orthoesters with elemental fluorine.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: April 5, 1994
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Fluorination of acetals, ketals and orthoesters
    Patent number: 5202480
    Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoroether polymers that can be prepared by fluorinating polymers made by the polymerization of acetals, ketals, polyacetals, polyketals and orthoesters with elemental fluorine.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: April 13, 1993
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Liquid phase fluorination
    Patent number: 5093432
    Abstract: This invention pertains to a method for liquid phase fluorination for perfluorination of a wide variety of hydrogen-containing compounds.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: March 3, 1992
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Fluorination of acetals, ketals and orthoesters
    Patent number: 5053536
    Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoroether polymers that can be prepared by fluorinating polymers made by the polymerization of acetals, ketals, polyacetals, polyketals and orthoesters with elemental fluorine.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: October 1, 1991
    Assignee: Exfluor Research Corporation
    Inventors: Thomas R. Bierschenk, Timothy Juhlke, Hajimu Kawa, Richard J. Lagow
  • Process for the production of halogenated hydrocarbons
    Patent number: 4962247
    Abstract: This invention relates to a process for continuously producing halogenated hydrocarbons by: (1) flowing a feed mixture containing CO, H2 and a halogen source into a reaction zone containing a catalyst bed; (2) removing from the reaction zone the resultant reaction product which contains the desired halogenated hydrocarbons; and (3) maintaining the halogen source content in the feed mixture at from about the stoichiometric amount to about twice the stoichiometric amount needed to produce the halogenated hydrocarbons.
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: October 9, 1990
    Assignee: The Dow Chemical Company
    Inventors: Michael T. Holbrook, Timothy Juhlke