Patents by Inventor Andrew J. Rye

Andrew J. Rye 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).

  • Method for improving the filterability of a microbial broth
    Patent number: 4729958
    Abstract: Method of improving the filterability of a microbial broth containing microbial cell matter resulting from the breaking down of cells, which comprises contacting that broth with one or more enzymes having nuclease activity; use of the method for improving the flow of a microbial polysaccharide containing fluid displacement solution which is applied in enhanced oil recovery.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: March 8, 1988
    Assignee: Shell Oil Company
    Inventors: Jan W. Drozd, Andrew J. Rye