Patents by Inventor John P. Terry

John P. Terry 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).

  • Methods for removing biofilm from or preventing buildup thereof on surfaces in industrial water systems
    Patent number: 5411666
    Abstract: A composition for and methods of removing biofilm and controlling its development in industrial water systems. The water in such systems is treated with a combination of at least two biologically produced enzymes and a surface active agent, preferably an anionic surfactant.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: May 2, 1995
    Assignee: Buckman Laboratories International, Inc.
    Inventors: C. George Hollis, John P. Terry, Percy A. Jaquess
  • Aminophosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium phosphate precipitation
    Patent number: 4671934
    Abstract: A method of controlling the corrosion of a metal surface in contact with an aqueous system while at the same time preventing the precipitation of potentially scale-forming calcium phosphate. The water in such systems is treated with a combination of a source of orthophosphate ion and a mixture of methylene phosphonic acid derivatives of C.sub.6 diamines, or the salts thereof. A composition for preventing the precipitation of calcium phosphate containing a mixture of methylene phosphonic acid derivatives of C.sub.6 diamines or the salts thereof.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: June 9, 1987
    Assignee: Buckman Laboratories, Inc.
    Inventors: John P. Terry, Oscar W. May