Patents by Inventor Anup K. Ray

Anup K. Ray 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).

  • Processes for preparing a polypeptide
    Patent number: 8536305
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 17, 2013
    Assignee: Sandoz AG
    Inventors: Anup K Ray, Hiren V Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R Patel, Ingolf Macher
  • Process of Preparation of Olanzapine Form I
    Publication number: 20080188465
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2.3-b][1,5]benzodiazepine, or olanzapine.
    Type: Application
    Filed: October 30, 2007
    Publication date: August 7, 2008
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel
  • Process of preparation of olanzapine form I
    Patent number: 7297789
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2,3-b][1,5] benzodiazepine, or olanzapine.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: November 20, 2007
    Assignee: Sandoz, Inc.
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel
  • Process of preparation of olanzapine Form I
    Publication number: 20040048854
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2,3-b][1,5] benzodiazepine, or olanzapine.
    Type: Application
    Filed: May 30, 2003
    Publication date: March 11, 2004
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel
  • &agr;, &agr;-dibromo-&agr;-chloro-acetophenones as synthons
    Patent number: 6586598
    Abstract: This disclosure relates to the use of &agr;,&agr;-dibromo-&agr;-chloroacetophenone compounds as intermediates for the preparation of aromatic carbonyl compounds, especially aromatic amides. The compound 2,5-bis(2,2,2-trifluoroethoxy)-&agr;,&agr;-dibromo-&agr;-chloroacetophenone is especially useful as an intermediate for the preparation of flecainide, a known pharmaceutical.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: July 1, 2003
    Assignee: Geneva Pharmaceuticals, Inc.
    Inventors: Anup K. Ray, Hiren Patel, Shilpa V. Merai, Mahendra R. Patel
  • Alpha, alpha-dibromo-alpha-chloro-acetophenones as synthons
    Publication number: 20020188130
    Abstract: This disclosure relates to the use of &agr;,&agr;-dibromo-&agr;-chloroacetophenone compounds as intermediates for the preparation of aromatic carbonyl compounds, especially aromatic amides. The compound 2,5-bis(2,2,2-trifluoroethoxy)-&agr;,&agr;-dibromo-&agr;-chloro-acetophenone is especially useful as an intermediate for the preparation of flecainide, a known pharmaceutical.
    Type: Application
    Filed: May 8, 2002
    Publication date: December 12, 2002
    Inventors: Anup K. Ray, Hiren Patel, Shilpa V. Merai, Mahendra R. Patel
  • &agr;,&agr;-dibromo-&agr;-chloro-acetophenones as synthons
    Patent number: 6458957
    Abstract: This disclosure relates to the use of &agr;,&agr;-dibromo-&agr;-chloroacetophenone compounds as intermediates for the preparation of aromatic carbonyl compounds, especially aromatic amides. The compound 2,5-bis(2,2,2-trifluoroethoxy)-&agr;,&agr;-dibromo-&agr;-chloroacetophenone is especially useful as an intermediate for the preparation of flecainide, a known pharmaceutical.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: October 1, 2002
    Assignee: Geneva Pharmaceuticals, Inc.
    Inventors: Anup K. Ray, Hiren Patel, Shilpa V. Merai, Mahendra R. Patel
  • Synthesis of midodrine HCI from a novel intermediate 1-(2?,5?-dimethoxyphenyl)-2-azidoethanone
    Patent number: 6201153
    Abstract: Midodrine hydrochloride, ±1-(2′,5′-dimethoxyphenyl)-2-glycineamido-ethanol-(1)-HCl, is prepared from a novel intermediate, 1-(2′,5′-dimethoxyphenyl)-2-azidoethanone.
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: March 13, 2001
    Assignee: Geneva Pharmaceuticals Inc.
    Inventors: Anup K. Ray, Hiren Patel, Mahendra R. Patel