Patents by Inventor Albert D. Friesen

Albert D. Friesen 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).

  • Publication number: 20250034185
    Abstract: Disclosed are compound, its stereoisomer, salt, hydrate, solvate, isotope or crystalline form thereof, represented by Formula (I), with X, R1, R2, R3, R4 and R5 as disclosed herein. Also, disclosed is a process for their preparation, compositions containing such compounds, methods of medical treatment or prophylaxis of a disease by such compounds and uses thereof. The compounds of Formula (I) are pyridoxal-5-phosphate (P5P) analogs, and can act as prodrugs.
    Type: Application
    Filed: December 15, 2022
    Publication date: January 30, 2025
    Inventors: Albert D. Friesen, Jean-d'amour K. Twibanire, Kevin P. Carlin, Matinder Kaur, Rafiq A. Taj, Syed Mohammed A. Hussani, Vaneet Chehal, Ramkrishna Reddy Vakiti, Bhavin Pipaliya, Cyril Cook, Qasim Khan, Farman Ullah
  • Publication number: 20140100537
    Abstract: The present invention provides a titratable transdermal drug delivery system comprising an effective dose of an antithrombotic agent, such as tirofiban, or a pharmaceutically acceptable salt thereof. The dosage of the drug delivered is proportional to the size of the patch applied and achieves 60-85% platelet inhibition. The system enables and individualized treatment for patients. Also provided are methods for the treatment of various disorders where platelet inhibition is desired.
    Type: Application
    Filed: December 11, 2013
    Publication date: April 10, 2014
    Applicant: MEDICURE INTERNATIONAL INC.
    Inventors: George Roby THOMAS, Dawson James REIMER, Albert D. FRIESEN
  • Publication number: 20120029447
    Abstract: The present invention provides a titratable transdermal drug delivery system comprising an effective dose of an antithrombotic agent, such as tirofiban, or a pharmaceutically acceptable salt thereof. The dosage of the drug delivered is proportional to the size of the patch applied and achieves 60-85% platelet inhibition. The system enables and individualized treatment for patients. Also provided are methods for the treatment of various disorders where platelet inhibition is desired.
    Type: Application
    Filed: March 18, 2010
    Publication date: February 2, 2012
    Applicant: Medicure International Inc.
    Inventors: George Roby Thomas, Dawson James Reimer, Albert D. Friesen
  • Publication number: 20080139511
    Abstract: The present invention includes use of an angiotensin-converting enzyme (ACE) inhibitor in combination with a vitamin B6 related compound for the treatment of diabetes and diabetic related disorders and in particular the treatment of diabetic hypertension.
    Type: Application
    Filed: February 19, 2008
    Publication date: June 12, 2008
    Applicant: Medicure International Inc.
    Inventor: Albert D. Friesen
  • Patent number: 7375112
    Abstract: The present invention provides a method of administering vitamin B6 related compounds for treatment of hypertriglyceridemia. Vitamin B6 related compounds include pyridoxal, pyridoxal-5?-phosphate, pyridoxamine, a 3-acylated analogue of pyridoxal, a 3-acylated analogue of pyridoxal-4,5-aminal, and mixtures thereof. Embodiments of the present invention also comprise co-administering a lipid lowering agent, such as a nicotinic acid, a fibrate, a HMG CoA reductase inhibitor, a cholesteryl ester transfer protein inhibitor, and combinations thereof.
    Type: Grant
    Filed: January 5, 2006
    Date of Patent: May 20, 2008
    Assignee: Medicure International Inc.
    Inventors: Albert D. Friesen, Marjorie Zettler
  • Patent number: 6420551
    Abstract: The present invention is directed to oligonuclegtides comprising nucleotide sequences sufficiently complementary to conserved regions of human immunodeficiency virus genetic material such that when bound to said region, the oligonucleotides effectively prevent expression of the genetic material.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: July 16, 2002
    Assignee: Viventia Biotech Inc.
    Inventor: Albert D. Friesen
  • Patent number: 5811537
    Abstract: The present invention is directed to oligonucleotides comprising nucleotide sequences sufficiently complementary to conserved regions of human immunodeficiency virus genetic material such that when bound to said region, the oligonucleotides effectively prevent expression of the genetic material.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: September 22, 1998
    Assignee: Novopharm Biotech Inc.
    Inventor: Albert D. Friesen
  • Patent number: 5594122
    Abstract: The present invention is directed to oligonucleotides comprising nucleotide sequences sufficiently complementary to conserved regions of human immunodeficiency virus genetic material such that when bound to said region, the oligonucleotides effectively prevent expression of the genetic material.
    Type: Grant
    Filed: September 19, 1994
    Date of Patent: January 14, 1997
    Assignee: Genesys Pharma Inc.
    Inventor: Albert D. Friesen
  • Patent number: 4678278
    Abstract: A sight tube for ultraviolet monitoring of liquid and capable of handling industrial scale flow rates for example 40 gallons (180 liters) per minute in which the shape is especially designed to allow oppositely disposed windows, through which the ultraviolet light passes, to be relatively close together. The sight tube has an interior the central section of which has a flat sided portion adjacent and parallel to the windows, the flat sided portion being flanked by two side portions which are thicker than said flat sided portion, the tube having cylindrical end sections joined to the central section by intermediate sections which provide gradual transitions between the section shapes.
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: July 7, 1987
    Assignee: The Winnipeg Rh Institute Inc.
    Inventors: Albert D. Friesen, Walter F. Grassler