Patents by Inventor Walter Opalinski

Walter Opalinski 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).

  • Removing anions from alkaline silicate solutions
    Patent number: 6063344
    Abstract: A method of removing HMO.sub.2.sup.- anions from an aqueous silicate solution comprising contacting the solution with a cationic ion exchange resin, where M is manganese, zinc, copper, nickel, or a mixture thereof. The method is particularly applicable to solutions of sodium silicate or potassium silicate.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: May 16, 2000
    Assignee: Occidental Chemical Corporation
    Inventors: Sharon D. Fritts, Walter Opalinski, Joseph Guzzetta
  • Method of making trichloromethoxybenzene
    Patent number: 5773668
    Abstract: Disclosed is a method of making trichloromethoxybenzene. A mixture is prepared of anisole and a source of chlorine free radicals, such as chlorine or sulfuryl chloride. The reaction is performed in a solvent, which can be either benzotrifluoride, orthochlorobenzotrifluoride, metachlorobenzotrifluoride, parachlorobenzotrifluoride, or dichlorobenzotrifluoride. The mixture is exposed to actinic radiation, such as ultraviolet light, which generates the chlorine free radicals.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: June 30, 1998
    Assignee: Occidental Chemical Corporation
    Inventors: Lawrence Fertel, Michael Fifolt, Mary Cocoman, Walter Opalinski, William Derwin