Patents by Inventor James L. Soos

James L. Soos 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).

  • Patent number: 5158684
    Abstract: This invention relates to a method of transporting and inhibiting the deposition of copper and copper-iron materials on heat transfer devices in steam generating systems. This method utilizes a thermally stable chelant and a carboxylated polymeric dispersant as the treatment agents. Representative chemicals are 1,10-phenanthroline and 9:1 methacrylic acid/acrylic acid copolymer.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: October 27, 1992
    Assignee: Betz Laboratories, Inc.
    Inventors: Roger D. Moulton, Alexander C. McDonald, James L. Soos
  • Patent number: 4952324
    Abstract: A method for treatment of boiler waters is disclosed. The method comprises a synergetic combination of ametacrylic acid-containing polymer with a strongly interacting nonionic surfactant, together with a chelant and/or a phosphate-generating species. The method is particularly effective when the surfactant is an alkoxylated alkylphenol or an alkoxylated alkylphenol ether.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: August 28, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Alexander C. McDonald, James L. Soos
  • Patent number: 4931206
    Abstract: A composition for treatment of boiler waters is disclosed. The composition comprises a synergetic combination of a methacrylic acid-containing polymer with a strongly interacting nonionic surfactant, together with a chelant and/or a phosphate-generating species. The composition is particularly effective when the surfactant is an alkoxylated alkylphenol or an alkoxylated alkylphenol ether.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: June 5, 1990
    Assignee: Betz Laboratories, Inc.
    Inventors: Alexander C. McDonald, James L. Soos
  • Patent number: 4828713
    Abstract: A method for treatment of boiler waters is disclosed. The method comprises a synergetic combination of a methacrylic acid-containing polymer with a strongly interacting nonionic surfactant, together with a chelant and/or a phosphate-generating species. The method is particularly effective when the surfactant is an alkoxylated alkylphenol or an alkoxylated alkylphenol ether.
    Type: Grant
    Filed: March 15, 1988
    Date of Patent: May 9, 1989
    Assignee: Betz Laboratories, Inc.
    Inventors: Alexander C. McDonald, James L. Soos