Patents by Inventor Roland H. Contreras

Roland H. Contreras 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).

  • Diagnostic test for the detection of early stage liver cancer
    Patent number: 8003392
    Abstract: Described are methods and kits to detect early stage hepatocellular carcinoma or a change in the gradation of hepatocellular carcinoma in mammals. The diagnostic marker is based on the profiling and identification of diagnostic carbohydrates present in a body fluid, such as blood serum.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: August 23, 2011
    Assignees: VIB VZW, Universiteit Gent
    Inventors: Cuiying Chen, Roland H. Contreras
  • Aging biomarker
    Patent number: 7993822
    Abstract: The present invention relates to a marker that can be used as aging biomarker. More specifically, the present invention relates to the analysis of N-glycans in serum and its relation to the virtual age of the subject. This aging biomarker can be used to study the effect of medication, food compounds and/or special diets on the wellness and virtual age of animals, including humans.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: August 9, 2011
    Assignees: Vlaams Interuniversitair Instituut Voor Biotechnologie VZW, Universiteit Gent
    Inventors: Cuiying Chen, Roland H. Contreras
  • DIAGNOSTIC TEST FOR THE DETECTION OF EARLY STAGE LIVER CANCER
    Publication number: 20110136240
    Abstract: The invention provides methods and kits to detect early stage hepatocellular carcinoma or a change in the gradation of hepatocellular carcinoma in mammals. The diagnostic marker is based on the profiling and identification of diagnostic carbohydrates present in a body fluid such as blood serum.
    Type: Application
    Filed: June 11, 2008
    Publication date: June 9, 2011
    Applicants: VIB VZW, UNIVERSITEIT GENT
    Inventors: Cuiying Chen, Roland H. Contreras
  • DIAGNOSTIC TEST FOR THE DETECTION OF EARLY STAGE LIVER CANCER
    Publication number: 20100203644
    Abstract: The invention provides methods and kits to detect early stage hepatocellular carcinoma or a change in the gradation of hepatocellular carcinoma in mammals. The diagnostic marker is based on the profiling and identification of diagnostic carbohydrates present in a body fluid such as blood serum.
    Type: Application
    Filed: June 11, 2008
    Publication date: August 12, 2010
    Applicant: Gracel Display Inc.
    Inventors: Cuiying Chen, Roland H. Contreras
  • Marker for measuring liver cirrhosis
    Patent number: 7335512
    Abstract: The invention provides methods and kits to detect liver cirrhosis in mammals. The diagnostic test is based on the profiling and identification of diagnostic carbohydrates present in a body fluid such as blood serum.
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: February 26, 2008
    Assignees: Vlaams Interubiversitair Instituut voor Biotechnologie vzw, Universiteit Gent
    Inventors: Nico L. M. Callewaert, Roland H. Contreras