Patents by Inventor David Bergbreiter

David Bergbreiter 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).

  • Crosslinked polyvinylamine, polyallylamine, and polyethyleneimine for use as bile acid sequestrants
    Patent number: 10272103
    Abstract: The present invention provides a crosslinked amine and amide polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritis, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: April 30, 2019
    Assignee: Relypsa, Inc.
    Inventors: Jordan Kopping, Paul Mansky, YongQi Mu, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao, Kalpesh Biyani, Eric Connor, Scott Hecker, Inez Lees, Grace May, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter
  • Amine polymers for use as bile acid sequestrants
    Patent number: 9655920
    Abstract: The present invention provides crosslinked amine polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritus, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: May 23, 2017
    Assignee: Relypsa, Inc.
    Inventors: Eric Connor, Kalpesh Biyani, Scott Hecker, Inez Lees, Paul Mansky, YongQi Mu, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter, Grace Huynh, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao, Xinnan Zhang
  • CROSSLINKED POLYVINYLAMINE, POLYALLYLAMINE, AND POLYETHYLENEIMINE FOR USE AS BILE ACID SEQUESTRANTS
    Publication number: 20160051576
    Abstract: The present invention provides a crosslinked amine and amide polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritis, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 25, 2016
    Applicant: RELYPSA, INC.
    Inventors: Jordan Kopping, Kalpesh Biyani, Eric Connor, Scott Hecker, Inez Lees, Grace Huynh, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter, Paul Mansky, YongQi Mu, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao
  • Crosslinked polyvinylamine, polyallylamine, and polyethyleneimine for use as bile acid sequestrants
    Patent number: 9181364
    Abstract: The present invention provides a crosslinked amine and amide polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritis, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 10, 2015
    Assignee: Relypsa, Inc.
    Inventors: Jordan Kopping, Kalpesh Biyani, Eric Connor, Scott Hecker, Inez Lees, Grace Huynh, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter, Paul Mansky, YongQi Mu, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao
  • AMINE POLYMERS FOR USE AS BILE ACID SEQUESTRANTS
    Publication number: 20140356316
    Abstract: The present invention provides crosslinked amine polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritus, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Application
    Filed: February 24, 2011
    Publication date: December 4, 2014
    Applicant: RELYPSA, INC.
    Inventors: Eric Connor, Kalpesh Biyani, Scott Hecker, Inez Lees, Grace Huynh, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter, Paul Mansky, YongQi Mu, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao, Xinnan Zhang
  • CROSSLINKED POLYVINYLAMINE, POLYALLYLAMINE, AND POLYETHYLENEIMINE FOR USE AS BILE ACID SEQUESTRANTS
    Publication number: 20130022570
    Abstract: The present invention provides a crosslinked amine and amide polymers effective for binding and removing bile salts from the gastrointestinal tract. These bile acid binding polymers or pharmaceutical compositions thereof can be administered to subjects to treat various conditions, including hypercholesteremia, diabetes, pruritis, irritable bowel syndrome-diarrhea (IBS-D), bile acid malabsorption, and the like.
    Type: Application
    Filed: February 24, 2011
    Publication date: January 24, 2013
    Applicant: RELYPSA, INC.
    Inventors: Jordan Kopping, Kalpesh Biyani, Eric Connor, Scott Hecker, Inez Lees, Grace Quaker, Faleh Salaymeh, Hongmin Zhang, David Bergbreiter, Paul Mansky, YongQi Mu, Michael James Cope, Elizabeth Goka, Angela Lee, Deidre Madsen, Jun Shao
  • Phase selective polymer supports for catalysis
    Publication number: 20070203019
    Abstract: Phase-selective soluble polymer supports for catalysts are described. The catalysts utilize polystyrene copolymers having enhanced solubility in nonpolar solvents. Other catalysts of the invention utilize polyisobutylene supports. Methods of catalyzing chemical reactions using latent biphasic solvents are also disclosed.
    Type: Application
    Filed: April 30, 2007
    Publication date: August 30, 2007
    Inventors: David Bergbreiter, Chunmei Li, Jacqueline Besinaiz, Jun Li, Shayna Sung