Patents Examined by P. E. Wills, Jr.
  • Patent number: 4464292
    Abstract: A process for the preparation of mixed ethoxylated alcohol/ethoxy sulfate surfactants, such surfactants, and detergent formulations incorporating the same. The mixed surfactants comprise a neutralized blend incorporating, in addition to the sulfated and unsulfated ethyoxylated alcohols, from 2 to 10% by weight unethoxylated alcohols and from 6 to 50% by weight unethoxylated alcohol sulfates in the proportions defined within the region ABCDE in the accompanying drawing.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: August 7, 1984
    Inventor: Stephen P. Lengyel