Patents Represented by Attorney Kenneth P. Dusyn
  • Patent number: 4137180
    Abstract: Fabric softening is provided by cationic diesters of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each an alkyl or hydroxyalkyl group containing from 1 to 4 carbon atoms, or a benzyl group, R.sub.4 and R.sub.5 are each alkyl chains containing from 11 to 23 carbon atoms, and X.sup.- is a water soluble anion. Mixtures of these diesters with the corresponding monoesters are described together with preparative methods.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: January 30, 1979
    Assignee: Lever Brothers Company
    Inventors: Appaya R. Naik, Klaus H. Todt, Martin A. Wells