Patents by Inventor Kamlesh Sheth

Kamlesh Sheth 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: 20230348388
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Application
    Filed: June 26, 2023
    Publication date: November 2, 2023
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 11685718
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: June 27, 2023
    Assignee: Amicus Therapeutics, inc.
    Inventors: Kamlesh Sheth, Sergey Tesler, James Cartwright, Clive King, Wendy Cross
  • Patent number: 11623916
    Abstract: Provided are methods of producing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of determining the purity of a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of distributing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of assessing suitability of migalastat hydrochloride for medical use.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: April 11, 2023
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesier, James Cartwright, Clive King, Wendy Cross
  • Patent number: 11602528
    Abstract: The present invention provides a method for increasing the activity of a mutant or wild-type ?-glucosidase enzyme in vitro and in vivo by contacting the enzyme with a specific pharmacological chaperone which is a derivative of 1-deoxynojirimycin. The invention also provides a method for the treatment of Pompe disease by administration of chaperone small molecule compound which is a derivative of 1-deoxynojirimycin. The 1-deoxynojirimycin derivative is substituted at the N or C1 position. Combination therapy with replacement ?-glucosidase gene or enzyme is also provided.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: March 14, 2023
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Benjamin Mugrage, Gary Lee, Xiaoxiang Zhu, Robert Boyd, Kamlesh Sheth
  • Publication number: 20220194899
    Abstract: Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler
  • Publication number: 20220185776
    Abstract: Provided are methods of producing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of determining the purity of a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of distributing a batch of 1,2,3,6-tetrapivaloyl-D-galactofuranoside; 5-azido-5-deoxy-1,2,3,6-tetrapivaloyl-D-galactofuranoside; intermediate grade migalastat hydrochloride; and/or migalastat hydrochloride. Also provided are methods of assessing suitability of migalastat hydrochloride for medical use.
    Type: Application
    Filed: January 14, 2021
    Publication date: June 16, 2022
    Applicant: Amicus Therapeutics, Inc.
    Inventors: Kamlesh Sheth, Sergey Tesler
  • Patent number: 10224333
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: March 5, 2019
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Publication number: 20180221357
    Abstract: The present invention provides a method for increasing the activity of a mutant or wild-type ?-glucosidase enzyme in vitro and in vivo by contacting the enzyme with a specific pharmacological chaperone which is a derivative of 1-deoxynojirimycin. The invention also provides a method for the treatment of Pompe disease by administration of chaperone small molecule compound which is a derivative of 1-deoxynojirimycin. The 1-deoxynojirimycin derivative is substituted at the N or C1 position. Combination therapy with replacement ?-glucosidase gene or enzyme is also provided.
    Type: Application
    Filed: December 12, 2017
    Publication date: August 9, 2018
    Applicant: AMICUS THERAPEUTICS, INC.
    Inventors: Benjamin MUGRAGE, Gary LEE, Xiaoxiang ZHU, Robert BOYD, Kamlesh SHETH
  • Publication number: 20170365609
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Application
    Filed: August 31, 2017
    Publication date: December 21, 2017
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Patent number: 9750733
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: September 5, 2017
    Assignee: AMICUS THERAPEUTICS, INC.
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Patent number: 9701867
    Abstract: The present invention is directed to a polyurea coating composition formed from an amine-functional component and an isocyanate-functional component. The amine-functional component can include an aspartic ester-based amine-functional resin and a blocked primary amine. The isocyanate-functional component can include a polyisocyanate having a functionality greater than 2.0 and an isocyanate equivalent weight of greater than 300, and a silane.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: July 11, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Kamlesh Sheth, James McCarthy
  • Publication number: 20170044102
    Abstract: A method for preparing isofagomine, its derivatives, intermediates and salts thereof using novel processes to make isofagomine from D-(?)-arabinose and L-(?)-xylose.
    Type: Application
    Filed: October 31, 2016
    Publication date: February 16, 2017
    Inventors: Philip J. Rybczynski, Kamlesh Sheth
  • Publication number: 20170020853
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Application
    Filed: October 10, 2016
    Publication date: January 26, 2017
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Patent number: 9481700
    Abstract: A method for preparing isofagomine, its derivatives, intermediates and salts thereof using novel processes to make isofagomine from D-(?)-arabinose and L-(?)-xylose.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: November 1, 2016
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Philip J. Rybczynski, Kamlesh Sheth
  • Patent number: 9464050
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: October 11, 2016
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Publication number: 20160051528
    Abstract: The present invention provides a method for increasing the activity of a mutant or wild-type ?-glucosidase enzyme in vitro and in vivo by contacting the enzyme with a specific pharmacological chaperone which is a derivative of 1-deoxynojirimycin. The invention also provides a method for the treatment of Pompe disease by administration of chaperone small molecule compound which is a derivative of 1-deoxynojirimycin. The I-deoxynojirimycin derivative is substituted at the N or C1 position. Combination therapy with replacement ?-glucosidase gene or enzyme is also provided.
    Type: Application
    Filed: October 6, 2015
    Publication date: February 25, 2016
    Inventors: Benjamin Mugrage, Gary Lee, Xiaoxiang Zhu, Robert Boyd, Kamlesh Sheth
  • Patent number: 9181184
    Abstract: The present invention provides a method for increasing the activity of a mutant or wild-type ?-glucosidase enzyme in vitro and in vivo by contacting the enzyme with a specific pharmacological chaperone which is a derivative of 1-deoxynojirimycin. The invention also provides a method for the treatment of Pompe disease by administration of chaperone small molecule compound which is a derivative of 1-deoxynojirimycin. The 1-deoxynojirimycin derivative is substituted at the N or C1 position. Combination therapy with replacement ?-glucosidase gene or enzyme is also provided.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: November 10, 2015
    Assignee: Amicus Therapeutics, Inc.
    Inventors: Benjamin Mugrage, Gary Lee, Xiaoxiang Zhu, Robert Boyd, Kamlesh Sheth
  • Publication number: 20150072154
    Abstract: The present invention is directed to a polyurea coating composition formed from an amine-functional component and an isocyanate-functional component. The amine-functional component can include an aspartic ester-based amine-functional resin and a blocked primary amine The isocyanate-functional component can include a polyisocyanate having a functionality greater than 2.0 and an isocyanate equivalent weight of greater than 300, and a silane.
    Type: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Kamlesh Sheth, James McCarthy
  • Publication number: 20150050263
    Abstract: Described are novel salts of the compound (3R,4R,5S)-5-(difluoromethyl) piperidine-3,4-diol, as well as methods of using the same for preventing and/or treating lysosomal storage disorders and/or degenerative disorders of the central nervous system. In particular, the present invention provides methods for preventing and/or treating Gaucher's disease and/or Parkinson's disease.
    Type: Application
    Filed: March 7, 2013
    Publication date: February 19, 2015
    Inventors: Robert Boyd, Philip J. Rybczynski, Kamlesh Sheth
  • Patent number: 8889259
    Abstract: The present invention is directed to a polyurea coating composition formed from an amine-functional component and an isocyanate-functional component. The amine-functional component can include an aspartic ester-based amine-functional resin and a blocked primary amine. The isocyanate-functional component can include a polyisocyanate having a functionality greater than 2.0 and an isocyanate equivalent weight of greater than 300, and a silane.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: November 18, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Kamlesh Sheth, James McCarthy