Patents by Inventor Jan-Ji Lai

Jan-Ji Lai 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).

  • Patent number: 9358267
    Abstract: The invention discloses highly purified daptomycin and to pharmaceutical compositions comprising this compound. The invention discloses a method of purifying daptomycin comprising the sequential steps of anion exchange chromatography, hydrophobic interaction chromatography and anion exchange chromatography. The invention also discloses a method of purifying daptomycin by modified buffer enhanced anion exchange chromatography. The invention also discloses an improved method for producing daptomycin by fermentation of Streptomyces roseosporus. The invention also discloses high pressure liquid chromatography methods for analysis of daptomycin purity. The invention also discloses lipopeptide micelles and methods of making the micelles. The invention also discloses methods of using lipopeptide micelles for purifying lipopeptide antibiotics, such as daptomycin. The invention also discloses using lipopeptide micelles therapeutically.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: June 7, 2016
    Assignee: Cubist Pharmaceuticals LLC
    Inventors: Thomas J. Kelleher, Jan-Ji Lai, Joseph P. DeCourcey, Paul D. Lynch, Maurizio Zenoni, Auro R. Tagliani
  • Publication number: 20150306076
    Abstract: This disclosure provides compositions comprising a beta-lactam compound and crystalline tazobactam arginine, and related methods and uses of these compositions.
    Type: Application
    Filed: September 27, 2013
    Publication date: October 29, 2015
    Applicant: CUBIST PHARMACEUTICALS, INC.
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20150183830
    Abstract: The present invention relates to crystalline and crystal-like forms of lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention relates to methods of purifying lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention also relates to pharmaceutical compositions comprising the purified form of the lipopeptide and methods of using these compositions.
    Type: Application
    Filed: September 29, 2014
    Publication date: July 2, 2015
    Inventors: Dennis Keith, Jan-Ji Lai, Chandrika Govardhan, Nazer Khalaf
  • Publication number: 20150111853
    Abstract: Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 23, 2015
    Inventors: Jan-Ji Lai, Pradip M. Pathare, Laxma Kolla, Adrien F. Soret
  • Patent number: 9006421
    Abstract: Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: April 14, 2015
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Jan-Ji Lai, Pradip M. Pathare, Laxma Kolla, Adrien F. Soret
  • Publication number: 20150072957
    Abstract: This disclosure provides compositions containing solid forms of tazobactam arginine, and methods of manufacturing and using these compositions.
    Type: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Applicant: Calixa Therapeutics, Inc.
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20140371135
    Abstract: The invention discloses highly purified daptomycin and to pharmaceutical compositions comprising this compound. The invention discloses a method of purifying daptomycin comprising the sequential steps of anion exchange chromatography, hydrophobic interaction chromatography and anion exchange chromatography. The invention also discloses a method of purifying daptomycin by modified buffer enhanced anion exchange chromatography. The invention also discloses an improved method for producing daptomycin by fermentation of Streptomyces roseosporus. The invention also discloses high pressure liquid chromatography methods for analysis of daptomycin purity. The invention also discloses lipopeptide micelles and methods of making the micelles. The invention also discloses methods of using lipopeptide micelles for purifying lipopeptide antibiotics, such as daptomycin. The invention also discloses using lipopeptide micelles therapeutically.
    Type: Application
    Filed: September 2, 2014
    Publication date: December 18, 2014
    Applicant: Cubist Pharmaceuticals, Inc.
    Inventors: Thomas J. Kelleher, Jan-Ji Lai, Joseph P. DeCourcey, Paul D. Lynch, Maurizio Zenoni, Auro R. Tagliani
  • Patent number: 8853357
    Abstract: The invention discloses highly purified daptomycin and to pharmaceutical compositions comprising this compound. The invention discloses a method of purifying daptomycin comprising the sequential steps of anion exchange chromatography, hydrophobic interaction chromatography and anion exchange chromatography. The invention also discloses a method of purifying daptomycin by modified buffer enhanced anion exchange chromatography. The invention also discloses an improved method for producing daptomycin by fermentation of Streptomyces roseosporus. The invention also discloses high pressure liquid chromatography methods for analysis of daptomycin purity. The invention also discloses lipopeptide micelles and methods of making the micelles. The invention also discloses methods of using lipopeptide micelles for purifying lipopeptide antibiotics, such as daptomycin. The invention also discloses using lipopeptide micelles therapeutically.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: October 7, 2014
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Thomas J. Kelleher, Jan-Ji Lai, Joseph P. DeCourcey, Paul D. Lynch, Maurizio Zenoni, Auro R. Tagliani
  • Patent number: 8846610
    Abstract: The present invention relates to crystalline and crystal-like forms of lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention relates to methods of purifying lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention also relates to pharmaceutical compositions comprising the purified form of the lipopeptide and methods of using these compositions.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: September 30, 2014
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Dennis Keith, Jan-Ji Lai, Chandrika Govardhan, Nazer Khalaf
  • Publication number: 20140274958
    Abstract: Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Jan-Ji Lai, Pradip M. Pathare, Laxma Kolla, Adrien F. Soret
  • Publication number: 20140274999
    Abstract: Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Jan-Ji Lai, Pradip M. Pathare, Laxma Kolla, Adrien F. Soret
  • Publication number: 20140228337
    Abstract: This disclosure provides compositions containing solid forms of tazobactam arginine, and methods of manufacturing and using these compositions.
    Type: Application
    Filed: February 14, 2014
    Publication date: August 14, 2014
    Applicant: CUBIST PHARMACEUTICALS, INC.
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Patent number: 8796224
    Abstract: The present invention relates to crystalline and crystal-like forms of lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention relates to methods of purifying lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention also relates to pharmaceutical compositions comprising the purified form of the lipopeptide and methods of using these compositions.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: August 5, 2014
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Dennis Keith, Jan-Ji Lai, Chandrika Govardhan, Nazer Khalaf
  • Publication number: 20140213567
    Abstract: This disclosure provides compositions comprising a beta-lactam compound and crystalline tazobactam arginine, and related methods and uses of these compositions.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20140206659
    Abstract: This disclosure provides compositions comprising a beta-lactam compound and crystalline tazobactam arginine, and related methods and uses of these compositions.
    Type: Application
    Filed: April 11, 2014
    Publication date: July 24, 2014
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20140187528
    Abstract: This disclosure provides compositions comprising a beta-lactam compound and crystalline tazobactam arginine, and related methods and uses of these compositions.
    Type: Application
    Filed: March 7, 2014
    Publication date: July 3, 2014
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20140163048
    Abstract: This disclosure describes solid forms of the compound of Formula (I) and pharmaceutical compositions for inhibiting the TRPA1 ion channel and/or medical conditions related to TRPA1, such as pain.
    Type: Application
    Filed: August 9, 2013
    Publication date: June 12, 2014
    Applicant: Cubist Pharmaceuticals, Inc.
    Inventors: Nicholas Barker, Jian-Qiao Gu, Gaauri NAIK, Jan-Ji LAI, Stephen MACHATHA, You Seok Hwang, Pradip M. Pathare
  • Patent number: 8697638
    Abstract: The present invention relates to crystalline and crystal-like forms of lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention relates to methods of purifying lipopeptides, including daptomycin, a lipopeptide antibiotic with potent bactericidal activity against gram-positive bacteria, including strains that are resistant to conventional antibiotics. The present invention also relates to pharmaceutical compositions comprising the purified form of the lipopeptide and methods of using these compositions.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: April 15, 2014
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Dennis Keith, Jan-Ji Lai, Chandrika Govardhan, Nazer Khalaf
  • Patent number: 8685957
    Abstract: This disclosure provides compositions containing solid forms of tazobactam arginine, and methods of manufacturing and using these compositions.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 1, 2014
    Assignee: Cubist Pharmaceuticals, Inc.
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour
  • Publication number: 20140088067
    Abstract: This disclosure provides compositions containing solid forms of tazobactam arginine, and methods of manufacturing and using these compositions.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 27, 2014
    Applicant: Cubist Pharmaceuticals, Inc.
    Inventors: Jan-Ji Lai, Jian-Qiao Gu, Pradip M. Pathare, Valdas Jurkauskas, Joseph Terracciano, Nicole Miller Damour