Patents by Inventor Patricia McConville

Patricia McConville 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 preparing liquid mixtures
    Patent number: 11175266
    Abstract: A method of preparing a liquid mixture for use in a liquid chromatography system is provided. The mixture comprises one or more acids, one or more bases, one or more solvents and water, and the method comprises the steps of: calculating pH and/or solvent concentration at a particular time t from a user-determined gradient function; and, based on the values obtained, calculating percent acid, percent base, percent solvent and percent water in the liquid mixture at time t. A liquid chromatography system incorporating such method is also provided.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: November 16, 2021
    Assignee: Waters Technologies Corporation
    Inventors: Thomas E. Wheat, Patricia McConville, John R. Lamoureux, Aparna Chavali
  • METHODS FOR PREPARING LIQUID MIXTURES
    Publication number: 20200166487
    Abstract: A method of preparing a liquid mixture for use in a liquid chromatography system is provided. The mixture comprises one or more acids, one or more bases, one or more solvents and water, and the method comprises the steps of: calculating pH and/or solvent concentration at a particular time t from a user-determined gradient function; and, based on the values obtained, calculating percent acid, percent base, percent solvent and percent water in the liquid mixture at time t. A liquid chromatography system incorporating such method is also provided.
    Type: Application
    Filed: August 14, 2019
    Publication date: May 28, 2020
    Inventors: Thomas E. Wheat, Patricia McConville, John R. Lamoureux, Aparna Chavali
  • Methods for preparing liquid mixtures
    Patent number: 10422776
    Abstract: A method of preparing a liquid mixture for use in a liquid chromatography system is provided. The mixture comprises one or more acids, one or more bases, one or more solvents and water, and the method comprises the steps of: calculating pH and/or solvent concentration at a particular time t from a user-determined gradient function; and, based on the values obtained, calculating percent acid, percent base, percent solvent and percent water in the liquid mixture at time t. A liquid chromatography system incorporating such method is also provided.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: September 24, 2019
    Assignee: Waters Technologies Corporation
    Inventors: Thomas E. Wheat, Patricia McConville, John R. Lamoureux, Aparna Chavali
  • METHODS FOR PREPARING LIQUID MIXTURES
    Publication number: 20170269041
    Abstract: A method of preparing a liquid mixture for use in a liquid chromatography system is provided. The mixture comprises one or more acids, one or more bases, one or more solvents and water, and the method comprises the steps of: calculating pH and/or solvent concentration at a particular time t from a user-determined gradient function; and, based on the values obtained, calculating percent acid, percent base, percent solvent and percent water in the liquid mixture at time t. A liquid chromatography system incorporating such method is also provided.
    Type: Application
    Filed: May 8, 2015
    Publication date: September 21, 2017
    Applicant: Waters Technologies Corporation
    Inventors: Thomas E. Wheat, Patricia McConville, John R. Lamoureux, Aparna Chavali