Patents Examined by Maria Parish Tungol
  • Hydrophilic, fabric softener foam compositions and method of making
    Patent number: 4292412
    Abstract: This invention relates to new, hydrophilic, fabric softener foam compositions having improved release ability of the fabric softener abetted by the addition of a hydrophilic polyether polyol release agent to the aqueous reactant containing the fabric softener prior to reacting the aqueous reactant with a hydrophilic, isocyanate-terminated prepolymer to form the foam.
    Type: Grant
    Filed: January 16, 1980
    Date of Patent: September 29, 1981
    Assignee: W. R. Grace & Co.
    Inventor: Louis L. Wood