Patents Examined by Banjamin R. Padgett
  • Folic acid derivatives and use in radio-assay
    Patent number: 4091087
    Abstract: Novel folic acid derivatives useful for radioassaying folic acid and its metabolites in biological liquids are prepared from pteroyl-.gamma.-glutamyl-tyrosines by iodination with I.sup.125 or I.sup.131.
    Type: Grant
    Filed: July 28, 1976
    Date of Patent: May 23, 1978
    Assignee: Smith Kline Instruments, Inc.
    Inventors: M. James Barrett, Joseph I. De Graw
  • Bleaching and detergent compositions having imide activator and peroxygen bleach
    Patent number: 3982891
    Abstract: Activator compounds for bleaching and/or detergent compositions comprising imides having an N-bonded grouping of the formula -- COOR wherein R represents lower alkyl or phenyl typical compounds including e.g., N-methoxycarbonylphthalimide; N-methoxycarbonylsaccharide, N-phenoxycarbonyl succinimide, and N-methoxycarbonyl acetamide.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: September 28, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Leo Thomas Murray