Patents Assigned to Relypsa, Inc.
  • 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
  • Patent number: 10058567
    Abstract: The present invention provides methods and compositions for the treatment of ion imbalances using core-shell composites and compositions comprising such core-shell composites. In particular, the invention provides core-shell particles and compositions comprising potassium binding polymers, and core-shell particles and compositions comprising sodium binding polymers, and in each case, pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are also disclosed. The compositions and methods of the invention offer improved approaches for treatment of hyperkalemia and other indications related to potassium ion homeostasis, and for treatment of hypertension and other indicates related to sodium ion homeostasis.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: August 28, 2018
    Assignee: Relypsa, Inc.
    Inventors: Michael J. Cope, Paul Mansky, Futian Liu, Han-Ting Chang, Dominique Charmot, Eric Connor, Kalpesh Biyani, Mingjun Liu, Tony Kwok-Kong Mong, Yan Chen, Gerrit Klaerner, Jerry Buysse
  • Patent number: 9925212
    Abstract: The present invention generally relates to methods of treating hypertension (HTN) in patients in need thereof wherein the patient optionally further suffers from chronic kidney disease (CKD) or Type II diabetes mellitus (T2DM). The invention also relates to methods of treating hyperkalemia in a patient in need thereof, wherein the patient suffers from CKD, T2DM or HTN and are optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The invention also relates to methods of treating kidney disease in a patient in need thereof, wherein the patient is optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The methods can comprise administering an effective amount of a potassium-binding agent to the patient to lower the patient's blood pressure and/or increase or stabilize the patient's kidney function.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: March 27, 2018
    Assignee: Relypsa, Inc.
    Inventors: Gerrit Klaerner, Lance Berman
  • Patent number: 9908951
    Abstract: The present invention generally relates to processes for converting an ester group to an acid group for polymers having a pendant ester of an acid group. This process is generally performed using an aqueous strong base.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: March 6, 2018
    Assignee: Relypsa, Inc.
    Inventors: Eric Connor, Faleh Salaymeh
  • Patent number: 9738584
    Abstract: The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: August 22, 2017
    Assignee: Relypsa, Inc.
    Inventor: YongQi Mu
  • 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
  • Patent number: 9492476
    Abstract: The present invention generally relates to methods of treating hypertension (HTN) in patients in need thereof wherein the patient optionally further suffers from chronic kidney disease (CKD) or Type II diabetes mellitus (T2DM). The invention also relates to methods of treating hyperkalemia in a patient in need thereof, wherein the patient suffers from CKD, T2DM or HTN and are optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The invention also relates to methods of treating kidney disease in a patient in need thereof, wherein the patient is optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The methods can comprise administering an effective amount of a potassium-binding agent to the patient to lower the patient's blood pressure and/or increase or stabilize the patient's kidney function.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 15, 2016
    Assignee: Relypsa, Inc.
    Inventors: Gerrit Klaerner, Lance Berman
  • Patent number: 9464040
    Abstract: The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: October 11, 2016
    Assignee: Relypsa, Inc.
    Inventor: YongQi Mu
  • Patent number: 9453092
    Abstract: The present invention generally relates to processes for converting an ester group to an acid group for polymers having a pendant ester of an acid group. This process is generally performed using an aqueous strong base.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: September 27, 2016
    Assignee: Relypsa, Inc.
    Inventors: Eric Connor, Faleh Salaymeh
  • Patent number: 9301974
    Abstract: The present invention provides methods and compositions for the treatment of ion imbalances using core-shell composites and compositions comprising such core-shell composites. In particular, the invention provides core-shell particles and compositions comprising potassium binding polymers, and core-shell particles and compositions comprising sodium binding polymers, and in each case, pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are also disclosed. The compositions and methods of the invention offer improved approaches for treatment of hyperkalemia and other indications related to potassium ion homeostasis, and for treatment of hypertension and other indicates related to sodium ion homeostasis.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: April 5, 2016
    Assignee: Relypsa, Inc.
    Inventors: Michael J. Cope, Paul Mansky, Futian Liu, Han-Ting Chang, Dominique Charmot, Eric Connor, Kalpesh Biyani, Mingjun Liu, Tony Kwok-Kong Mong, Yan Chen
  • 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
  • Patent number: 9228028
    Abstract: The present invention is directed to processes for making a crosslinked cation exchange polymer comprising a fluoro group and an acid group. The process allows the polymer to be efficiently made on a commercial scale, and the polymers are useful to bind potassium in the gastrointestinal tract of a human or animal subject.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: January 5, 2016
    Assignee: Relypsa, Inc.
    Inventor: George Tyson
  • 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
  • Patent number: 9061990
    Abstract: The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: June 23, 2015
    Assignee: Relypsa, Inc.
    Inventor: YongQi Mu
  • 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
  • Patent number: 8889115
    Abstract: The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: November 18, 2014
    Assignee: Relypsa, Inc.
    Inventors: Dominique Charmot, Han-Ting Chang, Gerrit Klaerner, Jerry M. Buysse, Mingjun Liu
  • Publication number: 20140221681
    Abstract: The present invention generally relates to processes for converting acrylate esters or a derivative thereof to difluoropropionic acid or a derivative thereof. This process is generally performed using fluorine gas in a hydrofluorocarbon solvent.
    Type: Application
    Filed: June 27, 2012
    Publication date: August 7, 2014
    Applicant: Relypsa, Inc.
    Inventor: YongQi Mu
  • Patent number: 8778324
    Abstract: The present invention provides methods and compositions for the treatment of ion imbalances. In particular, the invention provides compositions comprising potassium binding polymers and pharmaceutical compositions thereof. Methods of use of the polymeric and pharmaceutical compositions for therapeutic and/or prophylactic benefits are disclosed herein. Examples of these methods include the treatment of hyperkalemia, such as hyperkalemia caused by renal failure and/or the use of hyperkalemia causing drugs.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: July 15, 2014
    Assignee: Relypsa, Inc.
    Inventors: Dominique Charmot, Han-Ting Chang, Mingjun Liu, Gerrit Klaerner
  • Publication number: 20140171595
    Abstract: The present invention generally relates to processes for converting an ester group to an acid group for polymers having a pendant ester of an acid group. This process is generally performed using an aqueous strong base.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 19, 2014
    Applicant: Relypsa, Inc.
    Inventors: Eric Connor, Faleh Salaymeh
  • Publication number: 20140105848
    Abstract: The present invention generally relates to methods of treating hypertension (HTN) in patients in need thereof wherein the patient optionally further suffers from chronic kidney disease (CKD) or Type II diabetes mellitus (T2DM). The invention also relates to methods of treating hyperkalemia in a patient in need thereof, wherein the patient suffers from CKD, T2DM or HTN and are optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The invention also relates to methods of treating kidney disease in a patient in need thereof, wherein the patient is optionally being treated with an effective amount of a renin-angiotensin-aldosterone system (RAAS) agent. The methods can comprise administering an effective amount of a potassium-binding polymer to the patient to lower the patient's blood pressure and/or increase or stabilize the patient's kidney function.
    Type: Application
    Filed: October 8, 2013
    Publication date: April 17, 2014
    Applicant: Relypsa, Inc.
    Inventors: Gerrit Klaerner, Lance Berman