Patents by Inventor Jack H. Van Sciver

Jack H. Van Sciver 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).

  • Corrosion-inhibiting cleaning systems for aluminum surfaces, particularly aluminum aircraft surfaces
    Patent number: 5232514
    Abstract: An alkaline blast cleaning system for aluminum surfaces which avoids discoloring or tarnishing of the aluminum surfaces, is comprised of an alkali metal bicarbonate having a particle size of from about 50 to about 1000 and an aqueous solution of sodium silicate, the sodium silicate having an SiO.sub.2 :Na.sub.2 O ratio of from about 2.44 to about 3.22:1 and being present in the aqueous solution in a corrosion inhibiting concentration of from about 100 to about 1000 ppm., the pH of the solution ranging from about 8.1 to about 8.3.
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: August 3, 1993
    Assignee: Church & Dwight Co., Inc.
    Inventors: Jack H. Van Sciver, Lawrence Kirschner
  • Inhibition of corrosive attack by sulfuric acid on carbon steel
    Patent number: 4154791
    Abstract: Addition of small amounts of nitric acid to aqueous sulfuric acid containing more than about 60% by weight of H.sub.2 SO.sub.4 inhibits corrosive attack on carbon steel with which it may come in contact.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: May 15, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Merwyn E. Howells, Jack H. Van Sciver, William C. Knoll