Patents by Inventor Ravinder J. Singh

Ravinder J. Singh 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).

  • Patent number: 10712336
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 14, 2020
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20190361000
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K.G. Grebe
  • Patent number: 10416149
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: September 17, 2019
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20190145953
    Abstract: This document provides methods and materials involved in assessing intestinal permeability of a mammal. For example, methods and materials for administering 13C-mannitol to a mammal (e.g., a human) and determining urinary excretion of 13C-mannitol as a measure of intestinal permeability of a mammal are provided.
    Type: Application
    Filed: March 31, 2017
    Publication date: May 16, 2019
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Michael L. Camilleri, Madhusudan Grover, Ravinder J. Singh
  • Publication number: 20180080921
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 22, 2018
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K.G. Grebe
  • Patent number: 9778246
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: October 3, 2017
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20150153322
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: February 13, 2015
    Publication date: June 4, 2015
    Applicant: MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K.G. Grebe
  • Patent number: 8987002
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: March 24, 2015
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Patent number: 8592218
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: November 26, 2013
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20130244335
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 19, 2013
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K.G. Grebe
  • Patent number: 8349613
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: January 8, 2013
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20110233395
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: February 7, 2011
    Publication date: September 29, 2011
    Applicant: MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan Grebe
  • Publication number: 20110212534
    Abstract: Methods for determining the amount of DHVD2 and/or DHVD3 in a sample are provided. The methods can employ LC-MS/MS techniques coupled with sample affinity purification and derivatization steps. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: August 11, 2009
    Publication date: September 1, 2011
    Inventors: Robert L. Taylor, Ravinder J. Singh, Kendall W. Cradic, James L. Bruton, JR., Brian C. Netzel
  • Patent number: 7901944
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: March 8, 2011
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan K. G. Grebe
  • Publication number: 20110001042
    Abstract: This document provides methods and materials related to determining whether or not a mammal is receiving a steroid treatment. For example, methods and materials involved in assessing a biological sample (e.g., a urine sample) from a mammal for the presence or absence of a steroid or a steroid metabolite to determine whether or not the mammal is complying with a steroid treatment (e.g., a corticosteroid treatment for an allergic disease or asthma) are provided.
    Type: Application
    Filed: December 12, 2008
    Publication date: January 6, 2011
    Inventors: John B. Hagan, Robert L. Taylor, Ravinder J. Singh, Jesse C. Seegmiller, Brian C. Netzel, Nichole L. Korpi-Steiner
  • Publication number: 20100178707
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Application
    Filed: March 26, 2010
    Publication date: July 15, 2010
    Applicant: MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan Grebe
  • Patent number: 7700365
    Abstract: Methods for determining the amount of vitamin D compounds in a sample are provided. The methods can employ LC-MS/MS techniques and optionally the use of deuterated internal standards. Methods for diagnosing vitamin D deficiencies are also provided.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: April 20, 2010
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Ravinder J. Singh, Robert L. Taylor, Stefan Grebe