Patents Examined by William Dixon, Jr.
  • Patent number: 5104447
    Abstract: Aqueous compositions of emulsified oxyaluminum acylate solutions comprising solutions of oxyaluminum acylate in a largely water insoluble solvent, an alcohol or an organic acid, an emulsifier or mixture of emulsifiers, and water are provided. Articles comprising substrates rendered water-repellent with such emulsions are provided as well. A process for the preparation of such articles is also provided.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: April 14, 1992
    Assignee: PCR Group Inc.
    Inventors: Van A. Stewart, Donald R. Varina, Michael E. Wilson