Patents by Inventor Raymond J. Wachala

Raymond J. Wachala 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).

  • Terpolymer composition
    Patent number: 4443576
    Abstract: Novel polymeric compositions useful as thickeners and rheology modifiers for oil-in-water emulsion systems are disclosed. The water-soluble or swellable compositions described contain, prior to polymerization, from:______________________________________ 10-70% Acrylamide or methacrylamide; 20-70% Acrylic acid, methacrylic acid, or their water-soluble salts; 5-50% Of a hydroxyalkylacrylate; 0-10% Of a polyfunctional monomeric branching material; and, 0-15% Low molecular weight water-soluble copolymer of a non-ionic or anionic water-soluble vinyl addition monomer and lower alkylacrylate. ______________________________________Optionally a water-soluble polymer dispersant may be added to the composition after polymerization.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: April 17, 1984
    Assignee: Nalco Chemical Company
    Inventors: Bhupati R. Bhattacharyya, Manuel Slovinsky, Raymond J. Wachala, Lawrence E. Beske, Michael L. McCullar
  • Food process antifoam
    Patent number: 3990905
    Abstract: A defoaming composition comprising a bis-amide, a liquid hydrocarbon oil, and optionally a surfactant having an HLB of at least 6. The composition may be used to abate and prevent foam formation in sugar beet raw liquor.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: November 9, 1976
    Assignee: Nalco Chemical Company
    Inventors: Raymond J. Wachala, Ralph E. Svetic