Patents by Inventor H. Harwood

H. Harwood 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).

  • Cell Line and Methods for Determining Viral Titer
    Publication number: 20090053691
    Abstract: The present invention relates to cells, methods, compositions and kits for determining the concentration of virus in a stock, i.e., determining the titer of a viral stock.
    Type: Application
    Filed: July 21, 2008
    Publication date: February 26, 2009
    Applicant: INVITROGEN CORPORATION
    Inventors: Steven Peppers, Steven H. Harwood, Robert P. Bennett
  • Functionalized polymers and improved tires therefrom
    Publication number: 20060173138
    Abstract: A method of forming a functionalized polymer, the method comprising reacting a living polymer with a compound defined by the formula where R5 includes a monovalent organic group, R6 independently includes a monovalent organic group, each R7 independently includes hydrogen or a monovalent organic group, each R8 independently includes hydrogen or monovalent organic group, R9 includes a monovalent organic group, M is silicon or tin, and x includes an integer from about 2 to about 10, where R5 and R6 may optionally each independently be alkoxy groups, and where R7, R8, and R9 are non-Zerewitinoff organic groups.
    Type: Application
    Filed: January 13, 2006
    Publication date: August 3, 2006
    Inventors: Terrence Hogan, Christine Rademacher, David Lawson, H. Harwood
  • Nitrogen control in mixed culture production
    Patent number: 4003790
    Abstract: Use of urease positive micro-organisms to form ammonium-ions in a process for the culture of hydrocarbon-utilizing micro-organisms.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: January 18, 1977
    Assignee: Shell Oil Company
    Inventors: Lionel J. Barnes, John H. Harwood, David E. F. Harrison, Harmannus J. Doddema
  • Mixed methane-utilizing cultures for production of micro-organisms
    Patent number: 3996105
    Abstract: A process for the production of micro-organisms in which a methane-utilising micro-organism is grown under aerobic conditions in the presence of (a) one or more methanol-utilising micro-organisms which is/are capable of metabolising methanol produced by the growing methane-utilising micro-organisms, and (b) one or more non-methylotropic micro-organisms which is/are capable of metabolising organic substances produced by the methane and/or methanol-utilising micro-organisms.
    Type: Grant
    Filed: January 6, 1975
    Date of Patent: December 7, 1976
    Assignee: Shell Oil Company
    Inventors: David E. F. Harrison, John H. Harwood, Barry N. Herbert