Patents by Inventor Oscar W. May

Oscar W. May 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 the deactivation and neutralization of polyolefin catalysts
    Patent number: 4801683
    Abstract: A method of deactivating active, corrosive catalyst residues in an olefin polymer, and simultaneously neutralizing these corrosive residues. The polymer containing the catalyst residues is contacted with an effective amount of an alkali or alkaline earth salt of perboric acid.
    Type: Grant
    Filed: February 5, 1988
    Date of Patent: January 31, 1989
    Assignee: Buckman Laboratories International, Inc.
    Inventor: Oscar W. May
  • 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
  • Synergistic compositions containing hydroxypropyl methanethiolsulfonate and methods of using same
    Patent number: 4650808
    Abstract: Compositions comprising 2-hydroxypropyl methanethiolsulfonate in combination with a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one show synergistic results in controlling the growth and proliferation of microorganisms in aqueous systems.
    Type: Grant
    Filed: March 28, 1984
    Date of Patent: March 17, 1987
    Assignee: Buckman Laboratories, Inc.
    Inventors: Oscar W. May, Betty S. Johnson
  • Dimethylamide and cationic surfactant debonding compositions and the use thereof in the production of fluff pulp
    Patent number: 4425186
    Abstract: A mixture comprising a cationic surfactant and a dimethylamide of a straight chain carbon carboxylic acid containing 12 to 18 carbon atoms is useful in the treatment of cellulose pulp to reduce inter-fiber bonding, thus obtaining a low mechanical strength pulp sheet and having little or no adverse effects upon the hydrophilic properties of said fibers.
    Type: Grant
    Filed: March 24, 1981
    Date of Patent: January 10, 1984
    Assignee: Buckman Laboratories, Inc.
    Inventors: Oscar W. May, Philip M. Hoekstra