Patents by Inventor Vinod Kumar Kansal

Vinod Kumar Kansal 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: 20100081841
    Abstract: The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 1, 2010
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, V. Govardhan Rao, Anand Prakash Tiwari
  • Patent number: 7687660
    Abstract: The present invention relates to intermediates of rosuvastatin and processes for the production thereof.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: March 30, 2010
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, Hitesh K. Patel, Vrajlal Gothalia, Hiren Gandhi
  • Patent number: 7687656
    Abstract: The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: March 30, 2010
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, V. Govardhan Rao, Anand Prakash Tiwari
  • Patent number: 7687622
    Abstract: Provided is a novel synthesis of quetiapine, and pharmaceutically acceptable salts thereof, in which an alkali metal halide or siliyl halide is included in the reaction mixture.
    Type: Grant
    Filed: April 14, 2006
    Date of Patent: March 30, 2010
    Assignee: Teva Pharmaceutical Industries, Ltd
    Inventors: Vinod Kumar Kansal, Kanhaiya Lal, Suhail Ahmad, David Leonov
  • Publication number: 20100056583
    Abstract: The present invention provides crystalline forms of Rosiglitazone hydrobromide, methods of their preparation, as well as pharmaceutical compositions comprising these crystalline forms.
    Type: Application
    Filed: August 21, 2009
    Publication date: March 4, 2010
    Applicants: TEVA PHARMACEUTICAL INDUSTRIES LTD., TEVA PHARMACEUTICALS USA, INC. - for assignment of rights in Barbados
    Inventors: Vinod Kumar Kansal, Harish Ranjan, Sanjay Nayal, Michal Rafilovich
  • Publication number: 20100016590
    Abstract: Intermediates of Nilotinib were prepared, including, for example, 3-(trifluoromethyl-5-(4-methyl-1H-imidazole-1-yl)-benzeneamine; 3-(4-(pyridin-3-yl)pyrimidin-2-ylamino) -4-methylbenzoyl halogen dihydrochloride; and N-(3-Bromo-5-trifluoromethylphenyl)-4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl]amino]benzamide. Nilotinib.3HCl and its crystalline forms are also described.
    Type: Application
    Filed: July 17, 2009
    Publication date: January 21, 2010
    Applicant: TEVA PHARMACEUTICAL INDUSTRIES LTD.
    Inventors: Yanling WANG, Jie LI, Vinod Kumar KANSAL, Jirang ZHU, Revital LIFSHITZ-LIRON, Dhirenkumar N. MISTRY, Sanjay L. VASOYA, Sundaraselvan ARIYAMUTHU, Gideon PILARSKI, Xungui HE
  • Publication number: 20100010212
    Abstract: The invention encompasses (3R,4S)-4-((4-benzyloxy)phenyl)-1-(4-fluorophenyl)-3-(3-(4-fluorophenyl)-3-oxopropyl)-2-azetidinone (Compound 2a) having an enantiomeric purity of at least about 97.5%. The invention also encompasses Compound 2a having a chemical purity of at least about 97%. The invention further encompasses processes for preparing Compound 2a from Compound 1 having the following formula: The invention also encompasses processes for preparing a compound having the following formula: from a compound having the following formula: wherein R is selected from the group consisting of: H or a hydroxyl protecting group. The invention also encompasses processes for preparing Compound 2a, preferably to form Compound 2a-Form 01.
    Type: Application
    Filed: August 17, 2009
    Publication date: January 14, 2010
    Inventors: Vinod Kumar Kansal, Suhail Ahmad, Bhupendra Tyagi, Nitin Gupta
  • Publication number: 20100004451
    Abstract: Crystalline forms of Varenicline Tosylate, processes for preparing those crystalline forms of Varenicline Tosylate, and processes for obtaining high purity Varenicline base using Varenicline Tosylate are provided.
    Type: Application
    Filed: May 21, 2009
    Publication date: January 7, 2010
    Inventors: Suhail Ahmad, Vinod Kumar Kansal, Maytal Piran, Zvi Harel
  • Publication number: 20090318695
    Abstract: The invention provides an improved process for the preparation and purification of Varenicline and intermediates for the preparation of Varenicline.
    Type: Application
    Filed: June 18, 2009
    Publication date: December 24, 2009
    Inventors: Vinod Kumar Kansal, Suhail Ahmad, Amit Gupta
  • Publication number: 20090299077
    Abstract: The present invention relates to salts of (R)-5-(2-phenylsulphonylethenyl)-3-(N-methylpyrrolidin-2-ylmethyl)-1H-indole of the formula: wherein HX is an acid selected from para-toluene sulfonic acid, benzene sulphonic acid, trifluoroacetic acid, methane sulphonic acid, formic acid and succinic acid; and to processes of preparing and using such salts.
    Type: Application
    Filed: May 22, 2009
    Publication date: December 3, 2009
    Inventors: Vinod Kumar KANSAL, Dhirenkumar N. MISTRY, Rakesh Ravjibhai PATEL, Saurabh PANDEY
  • Publication number: 20090281176
    Abstract: A process for the preparation of ramelteon and intermediates useful in the process. The process suitable for industrial scale provides increased yield and/or greater purity with fewer process steps.
    Type: Application
    Filed: November 3, 2008
    Publication date: November 12, 2009
    Inventors: Vinod Kumar Kansal, Dhirenkumar N. Mistry, Sanjay L. Vasoya, Rakesh Patel, Arpan M. Jadav
  • Patent number: 7586005
    Abstract: The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    Type: Grant
    Filed: October 28, 2008
    Date of Patent: September 8, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, V. Govardhan Rao, Anand Prakash Tiwari
  • Publication number: 20090209779
    Abstract: The present invention relates to intermediates of rosuvastatin and processes for the production thereof.
    Type: Application
    Filed: April 21, 2009
    Publication date: August 20, 2009
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, Hitesh K. Patel, Vrajlal Gothalia, Hiren Gandhi
  • Patent number: 7563923
    Abstract: The invention encompasses the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, via the intermediate, (3R)-5-methyl-3-(2-oxo-2{[(1R)-1-phenylethyl]amino}ethyl)hexanoic acid.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: July 21, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, Anand Prakash Tiwari
  • Publication number: 20090099383
    Abstract: Provided are processes for the purification of a pure rosuvastatin intermediate by thin film evaporation and chemical method, and conversion of the intermediate to rosuvastatin or salts thereof.
    Type: Application
    Filed: July 14, 2008
    Publication date: April 16, 2009
    Inventors: Tamar Nidam, Omer Malachi, Irena Veinberg, Valerie Niddam-Hildesheim, Vinod Kumar Kansal, Harish Ranjan, Appu Ekambaram Ponnuswamy, Sunil Rokad, Surat Kiran, Debashish Das
  • Patent number: 7518018
    Abstract: Provided are processes for the preparation of sertraline and sertraline hydrochloride.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: April 14, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Harish Ranjan, Sanjay Nayal, Pankaj Singh, Vinod Kumar Kansal, Marioara Mendelovici
  • Publication number: 20090081801
    Abstract: The present invention also relates to a novel impurity, (6-{2-[2-(6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoyl-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]-dioxan-4-yl)-acetylamino]-ethyl}-2,2-dimethyl-[1,3]-dioxan-4-yl)-acetic acid tert-butyl ester, the compound of formula IV, having the following structure: The present invention also provides methods of preparing the compound of formula IV as well as methods of using the compound of formula IV as a reference marker and a reference standard.
    Type: Application
    Filed: August 15, 2008
    Publication date: March 26, 2009
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, Hitesh K. Patel, V. Govardhan Rao, Vaibhav S. Daund
  • Publication number: 20090076292
    Abstract: Provided are intermediates and process for the preparation of statins, preferably rosuvastatin.
    Type: Application
    Filed: April 18, 2008
    Publication date: March 19, 2009
    Inventors: Vinod Kumar Kansal, Harish Ranjan, Jalinder N. Jaware, Appu Ekambaram Ponnuswamy
  • Publication number: 20090076271
    Abstract: The present invention relates to intermediates of rosuvastatin and processes for the production thereof.
    Type: Application
    Filed: April 18, 2008
    Publication date: March 19, 2009
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, Hitesh K. Patel, Vrajlal Gothalia, Hiren Gandhi
  • Publication number: 20090069593
    Abstract: The invention encompasses processes for the synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)-Pregabalin, and intermediates of (S)-Pregabalin.
    Type: Application
    Filed: October 28, 2008
    Publication date: March 12, 2009
    Inventors: Vinod Kumar Kansal, Brijnath P. Chaurasia, V. Govardhan Rao, Anand Prakash Tiwari