Patents by Inventor Augustus O. Okhamafe

Augustus O. Okhamafe 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: 20120277434
    Abstract: A method of synthesizing a substituted or unsubstituted 4-amino-3-benzimidazolyl quinolinone compound includes reacting a first compound having the formula I with a second compound having the formula II in a suitable solvent in the presence of a sodium or potassium salt of a base.
    Type: Application
    Filed: July 2, 2012
    Publication date: November 1, 2012
    Inventors: Shaopei Cai, Joyce Chou, Eric Harwood, Timothy MacHajewski, David Ryckman, Xiao Shang, Shuguang Zhu, Augustus O. Okhamafe, Marc S. Tesconi
  • Publication number: 20120208825
    Abstract: The present invention relates to non-hydrate crystalline forms of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2-one lactic acid salts, solid pharmaceutical formulations containing the same and methods of use. The present invention also relates to crystalline hydrates of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-l-yl)-lH-benzimidazol-2-yl]-lH-quinolin-2-one lactic acid salts, pharmaceutical formulations containing the same and methods of use related thereto. The present invention further relates to crystalline solvates of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-l-yl)-lH-benzimidazol-2-yl]-lH-quinolin-2-one lactic acid salts.
    Type: Application
    Filed: April 27, 2012
    Publication date: August 16, 2012
    Inventors: Augustus O. Okhamafe, Joyce Chou, Rampurna Gullapalli, Eric Harwood, David Ryckman, Shuguang Zhu, Xiao Shang
  • Publication number: 20120189605
    Abstract: This invention provides compositions of active highly phosphorylated human N-acetylgalactosamine-6-sulfatase (GALNS), and pharmaceutical compositions and formulations thereof, methods of producing and purifying GALNS, and its use in the diagnosis, prophylaxis, or treatment of diseases and conditions, including particularly lysosomal storage diseases that are caused by, or associated with, a deficiency in the GALNS enzyme, e.g., Mucopolysaccharidosis IVa (MPS IVa or Morquio A syndrome).
    Type: Application
    Filed: July 22, 2011
    Publication date: July 26, 2012
    Applicant: BIOMARIN PHARMACEUTICAL INC.
    Inventors: Vish Koppaka, Michel C. Vellard, Augustus O. Okhamafe, Kidisti Araya
  • Patent number: 8198242
    Abstract: The present disclosure provides variants of C-type natriuretic peptide (CNP), pharmaceutical compositions comprising CNP variants, and methods of making CNP variants. The CNP variants are useful as therapeutic agents for the treatment of diseases responsive to CNP, including but not limited to bone-related disorders, such as skeletal dysplasias (e.g., achondroplasia), and vascular smooth muscle disorders (e.g., restenosis and arteriosclerosis).
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 12, 2012
    Assignee: Biomarin Pharmaceutical Inc.
    Inventors: Daniel J. Wendt, Shinong Long, Sianna Castillo, Christopher P. Price, Mika Aoyagi-Scharber, Michel C. Vellard, Augustus O. Okhamafe
  • Publication number: 20110178097
    Abstract: The present invention relates to non-hydrate crystalline forms of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2-one lactic acid salts, solid pharmaceutical formulations containing the same and methods of use. The present invention also relates to crystalline hydrates of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2-one lactic acid salts, pharmaceutical formulations containing the same and methods of use related thereto. The present invention further relates to crystalline solvates of 4-amino-5-fluoro-3-[6-(4-methylpiperazin-1-yl)-1H-benzimidazol-2-yl]-1H-quinolin-2-one lactic acid salts.
    Type: Application
    Filed: May 23, 2006
    Publication date: July 21, 2011
    Applicant: NOVARTIS AG
    Inventors: Augustus O. Okhamafe, Joyce Chou, Rampurna Gullapalli, Eric Harwood, David Ryckman, Shuguang Zhu, Xiao Shang
  • Publication number: 20100297021
    Abstract: The present disclosure provides variants of C-type natriuretic peptide (CNP), pharmaceutical compositions comprising CNP variants, and methods of making CNP variants. The CNP variants are useful as therapeutic agents for the treatment of diseases responsive to CNP, including but not limited to bone-related disorders, such as skeletal dysplasias (e.g., achondroplasia), and vascular smooth muscle disorders (e.g., restenosis and arteriosclerosis).
    Type: Application
    Filed: May 20, 2010
    Publication date: November 25, 2010
    Applicant: BIOMARIN PHARMACEUTICAL INC.
    Inventors: Daniel J. Wendt, Shinong Long, Sianna Castillo, Christopher P. Price, Mika Aoyagi-Scharber, Michel C. Vellard, Augustus O. Okhamafe
  • Publication number: 20100278802
    Abstract: The present invention is directed to phenylalanine ammonia-lyase (PAL) variants produced by prokaryotes, wherein such prokaryotic PAL variant has a greater phenylalanine-converting activity and/or a reduced immunogenicity as compared to a wild-type PAL. The invention provides compositions of prokaryotic PAL and biologically active fragments, mutants, variants or analogs thereof, as well as methods for the production, purification, and use of such compositions for therapeutic purposes, including the treatment of cancer.
    Type: Application
    Filed: July 9, 2010
    Publication date: November 4, 2010
    Applicant: BioMarin Pharmaceutical Inc.
    Inventors: Emil D. KAKKIS, Paul A. Fitzpatrick, Daniel J. Wendt, Sean M. Bell, Augustus O. Okhamafe
  • Patent number: 7790433
    Abstract: The present invention is directed to phenylalanine ammonia-lyase (PAL) variants produced by prokaryotes, wherein such prokaryotic PAL variant has a greater phenylalanine-converting activity and/or a reduced immunogenicity as compared to a wild-type PAL. The invention provides compositions of prokaryotic PAL and biologically active fragments, mutants, variants or analogs thereof, as well as methods for the production, purification, and use of such compositions for therapeutic purposes, including the treatment of cancer.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: September 7, 2010
    Assignee: BioMarin Pharmaceutical Inc.
    Inventors: Emil D. Kakkis, Paul A. Fitzpatrick, Daniel J. Wendt, Sean M. Bell, Augustus O. Okhamafe
  • Publication number: 20100209418
    Abstract: The present invention is directed to solid forms of the Raf kinase inhibitor 1-methyl-5-(2-(5-(trifluoromethyl)-1H-imidazol-2-yl)pyridin-4-yloxy)-N-(4-(trifluoromethyl)phenyl)-1H-benzo[d]imidazol-2-amine, as well as compositions thereof and uses of the same.
    Type: Application
    Filed: February 28, 2008
    Publication date: August 19, 2010
    Inventors: Ahmad Hashash, Kangwen L. Lin, Augustus O. Okhamafe
  • Publication number: 20100168060
    Abstract: Salts of benzimidazolyl pyridyl ethers are provided, particularly salts of {1-methyl-5-[2-(5-trifluoromethyl-1H-imidazol-2-yl)-pyridin-4-yloxy]-1H-benzoimidazol-2-yl}-(4-trifluoromethyl-phenyl)amine. Compositions and formulations including such salts and surfactants as well as methods of preparing such compositions and formulations are provided.
    Type: Application
    Filed: August 30, 2007
    Publication date: July 1, 2010
    Applicant: Novartis AG
    Inventors: Rampurna Gullapalli, Ahmad Hashash, Piotr H. Karpinski, Kangwen L. Lin, Eric M. Loeser, Augustus O. Okhamafe, Paul Allen Sutton, Eduardo Sy
  • Publication number: 20090263369
    Abstract: The present invention is directed to phenylalanine ammonia-lyase (PAL) variants produced by prokaryotes, wherein such prokaryotic PAL variant has a greater phenylalanine-converting activity and/or a reduced immunogenicity as compared to a wild-type PAL. The invention provides compositions of prokaryotic PAL and biologically active fragments, mutants, variants or analogs thereof, as well as methods for the production, purification, and use of such compositions for therapeutic purposes, including the treatment of cancer.
    Type: Application
    Filed: April 9, 2009
    Publication date: October 22, 2009
    Applicant: BIOMARIN PHARMACEUTICAL INC.
    Inventors: EMIL D. KAKKIS, PAUL A. FITZPATRICK, DANIEL J. WENDT, SEAN M. BELL, AUGUSTUS O. OKHAMAFE
  • Publication number: 20090181979
    Abstract: A lacate salt of a compound of Formula I or a tautomer of the compound, wherein Formula I has the following structure and R1-R9 and R12-R14 are as defined herein
    Type: Application
    Filed: March 4, 2009
    Publication date: July 16, 2009
    Inventors: Shaopei Cai, Joyce Chou, Eric Harwood, Timothy Machajewski, David Ryckman, Xiao Shang, Shuguang Zhu, Augustus O. Okhamafe, Marc S. Tesconi
  • Patent number: 7537923
    Abstract: The present invention is directed to phenylalanine ammonia-lyase (PAL) variants produced by prokaryotes, wherein such prokaryotic PAL variant has a greater phenylalanine-converting activity and/or a reduced immunogenicity as compared to a wild-type PAL. The invention provides compositions of prokaryotic PAL and biologically active fragments, mutants, variants or analogs thereof, as well as methods for the production, purification, and use of such compositions for therapeutic purposes, including the treatment of cancer.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: May 26, 2009
    Assignee: BioMarin Pharmaceutical Inc.
    Inventors: Emil D. Kakkis, Paul A. Fitzpatrick, Daniel J. Wendt, Sean M. Bell, Augustus O. Okhamafe
  • Publication number: 20090047265
    Abstract: The present invention is directed to phenylalanine ammonia-lyase (PAL) variants produced by prokaryotes, wherein such prokaryotic PAL variant has a greater phenylalanine-converting activity and/or a reduced immunogenicity as compared to a wild-type PAL. The invention provides compositions of prokaryotic PAL and biologically active fragments, mutants, variants or analogs thereof, as well as methods for the production, purification, and use of such compositions for therapeutic purposes, including the treatment of cancer.
    Type: Application
    Filed: April 22, 2008
    Publication date: February 19, 2009
    Applicant: BioMarin Pharmaceutical Inc.
    Inventors: Emil D. Kakkis, Paul A. Fitzpatrick, Daniel J. Wendt, Bell M. Sean, Augustus O. Okhamafe