Patents Examined by E. Rollins Buffala
  • Sulfonato-organosilanol compounds and aqueous solutions thereof
    Patent number: 4267213
    Abstract: Sulfonato-organosilanol compounds and aqueous solutions and compositions thereof are provided which have at least one sulfonato-organic substituent therein. The weight percentage of oxygen in the compounds is at least about 30% and the weight percentage of silicon in the compounds is not greater than about 15%, these percentages being taken with reference to the water-free acid form of the compounds. Hydrophilic siliceous surfaces and processes for imparting hydrophilicity to such surfaces are also provided.
    Type: Grant
    Filed: October 10, 1979
    Date of Patent: May 12, 1981
    Assignee: Minnesota Mining & Manufacturing Company
    Inventors: Boyd R. Beck, Frank T. Sher, George V. D. Tiers