Patents Represented by Attorney Goerge W. Allen
  • Patent number: 5488157
    Abstract: A compound having the formula: ##STR1## where R.sub.1, R.sub.2, and R.sub.3 are independently hydrogen or C.sub.1 -C.sub.4 alkyl; n is 2-4; X is aryl, substituted aryl or C.sub.1 -C.sub.6 alkyl; Y is selected from the group consisting of hydrogen, amino acid, dipeptide or tripeptide linked through the C-terminal carboxylic acid, and amine protecting group is presented.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: January 30, 1996
    Assignee: The Procter & Gamble Company
    Inventors: David W. Bjorkquist, Rajan K. Panandiker
  • Patent number: 5332528
    Abstract: Disclosed is a detergent composition containing one or more anionic surfactants and one or more soil release agents characterized by the presence of an anionic surfactant-interactive nonionic hydrophile and/or an anionic surfactant-interactive hydrophobic moiety, or both, and a soil release agent-enhancing amount of a polyhydroxy fatty acid amide surfactant of the formula: ##STR1## wherein R.sup.1 is H, C.sub.1 -C.sub.4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or a mixture thereof, R.sub.2 is C.sub.5 -C.sub.31 hydrocarbyl, and Z is a polyhydroxylhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative thereof.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: July 26, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Robert Y. Pan, Eugene P. Gosselink