Patents by Inventor Nikolay Mintchev Stoynov

Nikolay Mintchev Stoynov 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: 20220144872
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Application
    Filed: June 17, 2021
    Publication date: May 12, 2022
    Inventors: Keith Chan, Winston Town, David W.K. Kwok, Nikolay Mintchev Stoynov
  • Publication number: 20210299168
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Application
    Filed: November 6, 2020
    Publication date: September 30, 2021
    Inventors: Keith CHAN, Winston TOWN, David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Publication number: 20190269722
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 5, 2019
    Inventors: Keith CHAN, Winston Town, David W.K. Kwok, Nikolay Mintchev Stoynov
  • Publication number: 20190055274
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: March 12, 2018
    Publication date: February 21, 2019
    Inventors: David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Publication number: 20180214480
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Application
    Filed: September 8, 2017
    Publication date: August 2, 2018
    Inventors: Keith CHAN, Winston TOWN, David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Patent number: 9913821
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: March 13, 2018
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Patent number: 9757416
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: September 12, 2017
    Assignee: Panion & BF Biotech Inc.
    Inventors: Keith Chan, Winston Town, David W. K. Kwok, Nikolay Mintchev Stoynov
  • Publication number: 20170095441
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: May 2, 2016
    Publication date: April 6, 2017
    Inventors: David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Patent number: 9328133
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: May 3, 2016
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Publication number: 20160095878
    Abstract: The present invention discloses pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Application
    Filed: May 1, 2015
    Publication date: April 7, 2016
    Inventors: Keith CHAN, Winston TOWN, David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Publication number: 20150232495
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 20, 2015
    Inventors: David W.K. KWOK, Nikolay Mintchev Stoynov
  • Patent number: 9050316
    Abstract: The present invention discloses a pharmaceutical-grade ferric organic compounds, including ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. A manufacturing and quality control process for making a pharmaceutical-grade ferric citrate that consistently complies with the established Manufacture Release Specification is also disclosed. The pharmaceutical-grade ferric organic compounds are suitable for treating disorders characterized by elevated serum phosphate levels.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: June 9, 2015
    Assignee: Panion & BF Biotech Inc.
    Inventors: Keith Chan, Winston Town, David W. K. Kwok, Nikolay Mintchev Stoynov
  • Patent number: 8901349
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: December 2, 2014
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Patent number: 8846976
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: September 30, 2014
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Patent number: 8754258
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: June 17, 2014
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Publication number: 20140018420
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: August 27, 2013
    Publication date: January 16, 2014
    Applicant: Panion & BF Biotech, Inc.
    Inventors: David W.K. KWOK, Nikolay Mintchev Stoynov
  • Publication number: 20140011872
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: August 27, 2013
    Publication date: January 9, 2014
    Applicant: Panion & BF Biotech, Inc.
    Inventors: David W.K. KWOK, Nikolay Mintchev STOYNOV
  • Publication number: 20130345460
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Application
    Filed: August 27, 2013
    Publication date: December 26, 2013
    Applicant: Panion & BF Biotech, Inc.
    Inventors: David W.K. KWOK, Nikolay Mintchev Stoynov
  • Patent number: 8609896
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 17, 2013
    Assignee: Panion & BF Biotech Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov
  • Patent number: 8338642
    Abstract: The present invention discloses a novel form of ferric organic compounds, including a form of ferric citrate, which are soluble over a wider range of pH, and which have a large active surface area. The ferric organic compounds of the present invention can be delivered effectively by oral route with better delivery to treat patients suffering from hyperphosphatemia, metabolic acidosis and other disorders responsive to ferric organic compound therapy.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: December 25, 2012
    Assignee: Panion & BF Biotech, Inc.
    Inventors: David W. K. Kwok, Nikolay Mintchev Stoynov