Patents by Inventor Sandra Koeplin-Gall

Sandra Koeplin-Gall 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: 4872999
    Abstract: A method for the control of marine fouling in salt or brackish water by a combination of a chlorine solution and a bromide salt such as an alkali metal bromide and about 1-10% of a biodispersant. In the preferred embodiment, the bromide salt is combined with a chlorine solution in the ratio of about 0.25 to about 1.25 equivalents.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: October 10, 1989
    Assignee: Nalco Chemical Company
    Inventors: Ronald H. Schild, Sandra Koeplin-Gall, Gregory C. Broxterman
  • Patent number: 4643835
    Abstract: Asiatic clams can be controlled by treating the waters in which they grow with a composition comprising the combination of a chlorine solution and a bromide salt capable of releasing bromide ions to the chloride solution.
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: February 17, 1987
    Assignee: Nalco Chemical Company
    Inventors: Sandra Koeplin-Gall, Ronald H. Schild