Fluorine Or Iodine Patents (Class 568/775)
  • Hydrolysis of alkyl substituted dihalobenzene compounds
    Patent number: 4122288
    Abstract: Alkyl substituted 1,2-halofluorinated aromatic compounds may be subjected to hydrolysis to form an alkyl substituted o-fluorophenol by treating said compound with water in the presence of a relatively mildly basic compound such as the salt of a strong base and a weak acid at hydrolysis conditions to form the desired compound.
    Type: Grant
    Filed: November 16, 1977
    Date of Patent: October 24, 1978
    Assignee: UOP Inc.
    Inventors: Nils J. Christensen, Joseph Levy
  • Fluorine-containing benzoxazoles
    Patent number: 4120863
    Abstract: Benzoxazoles substituted in the 2-position with a perfluoroalkylether radical and bis-benzoxazoles in which the 2-position carbon atoms of the benzoxazole rings are attached to one another with a perfluoroalkylene or perfluoroalkyleneether radical. The compounds are useful as anti-rust additives in grease formulations based on fluorine-containing fluids.
    Type: Grant
    Filed: September 27, 1977
    Date of Patent: October 17, 1978
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Christ Tamborski, John B. Christian