Patents Examined by Willis
  • Water insoluble antistatic compositions
    Patent number: 4891143
    Abstract: Compositions which are particulate water insoluble and nondispersible salts of certain surface active sulfate or sulfonate anions and surface active quaternary ammonium cations are described. They are useful as wash cycle laundry softener-antistatic compositions, in both liquid and powdered laundry products and also dispersed in solid matrices. The particle size is from 50 to 500 microns.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: January 2, 1990
    Inventors: Fred E. Woodward, Alice P. Hudson