Patents Assigned to J. M. Eltzroth & Associates, Inc.
  • Patent number: 4266988
    Abstract: No-rinse compositions and a process are provided for inhibiting corrosion of ferrous or non-ferrous metal surfaces and for producing a surface to which synthetic resin coating compositions will adhere so that the resultant coatings have satisfactory impact and bending resistance, together with resistance to creeping corrosion between the metal and the dried resin coating.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: May 12, 1981
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: William D. Krippes
  • Patent number: 4179305
    Abstract: A new and useful pigment is prepared by reacting an inorganic silicofluoride and an inorganic calcium compound selected from the group consisting of calcium oxide, calcium hydroxide and calcium carbonate. The product is especially useful in protective coating compositions which are applied to metals in order to enhance adherence to and corrosion resistance of metals such as aluminum, zinc, magnesium, steel and alloys of said metals.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: December 18, 1979
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4154620
    Abstract: A new and useful pigment is prepared by reacting an inorganic silicofluoride and an inorganic calcium compound selected from the group consisting of calcium oxide, calcium hydroxide and calcium carbonate. The product is especially useful in protective coating compositions which are applied to metals in order to enhance adherence to and corrosion resistance of metals such as aluminum, zinc, magnesium, steel and alloys of said metals.
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: May 15, 1979
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4138276
    Abstract: A process is provided for coating a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: February 6, 1979
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4137368
    Abstract: A process is provided for preparing a hexavalent chromium containing emulsion coating composition without causing coagulation of the emulsion and for providing an emulsion coating composition containing at least one water insoluble particulate film-forming thermoplastic resin which is highly effective as a coating for a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: January 30, 1979
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4088621
    Abstract: A process is provided for coating a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: May 9, 1978
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4069187
    Abstract: A process is provided for preparing a hexavalent chromium containing emulsion coating composition without causing coagulation of the emulsion and for providing an emulsion coating composition containing at least one water insoluble particulate film-forming thermoplastic resin which is highly effective as a coating for a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: January 17, 1978
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller
  • Patent number: 4067837
    Abstract: A process is provided for preparing a hexavalent chromium containing emulsion coating composition without causing coagulation of the emulsion and for providing an emulsion coating composition containing at least one water insoluble particulate film-forming thermoplastic resin which is highly effective as a coating for a metal substrate to give new and improved results in the preparation of resin coated metals, particularly steel, aluminum, magnesium, and zinc surfaced articles including galvanized iron or steel.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: January 10, 1978
    Assignee: J. M. Eltzroth & Associates, Inc.
    Inventor: Russell C. Miller