Patents by Inventor Edward A. Dalmas

Edward A. Dalmas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of bleaching textile materials
    Patent number: 4337060
    Abstract: Described is a method of bleaching textile fabrics with potassium based bleaching liquors: One liquor is an aqueous solution of commercially available potassium orthosilicate, water and hydrogen peroxide and the other is an aqueous solution of water, hydrogen peroxide, and the reaction products of sodium silicate and potassium hydroxide (potassium orthosilicate and sodium hydroxide) the relative concentrations of the reactants being such that there are four moles of potassium hydroxide for every one mole of sodium silicate. In the latter liquor, the potassium ion concentration is always greater than the sodium ion concentration.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: June 29, 1982
    Assignee: Villar, Inc.
    Inventor: Edward A. Dalmas