Patents by Inventor Anand Kumar Pandey

Anand Kumar Pandey 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).

  • PROCESS FOR PREPARING VALSARTAN
    Publication number: 20100249430
    Abstract: The invention relates to novel compound of formula (IV), which is an organic acid salt of N-[(2?-cyanobipheny1-4-yl)methyl]-(L)-valine ester. This compound is an useful intermediate for process of preparation of Valsartan of formula (I), chemically known as (S)-N-(1-Carboxy-2-methylprop-1-yl)-N-pentanoyl-N-[2?-(1H-terazol-5-yl)biphenyl-4-ylmethyl]amine. This invention also relates to a process for preparing Valsartan using novel intermediate of formula (IV).
    Type: Application
    Filed: June 15, 2010
    Publication date: September 30, 2010
    Applicant: ALEMBIC LIMITED
    Inventors: Rohit Ravikant Soni, Sanjay Lakhabhai Vasoya, Ravindra Charudatta Ghotikar, Anand Kumar Pandey, Hetal Remeshchandra Shah
  • Process for preparing Valsartan
    Patent number: 7741507
    Abstract: The invention relates to novel compound of formula (IV), which is an organic acid salt of N-[(2?-cyanobiphenyl-4-yl)methyl]-(L)-valine ester. This compound is an useful intermediate for process of preparation of Valsartan of formula (I), chemically known as (S)—N-(1-Carboxy-2-methylprop-1-yl)-N-pentanoyl-N-[2?-(1H-tetrazol-5-yl)biphenyl-4-ylmethyl]amine. This invention also relates to a process for preparing Valsartan using novel intermediate of formula (IV).
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: June 22, 2010
    Assignee: Alembic Limited
    Inventors: Rohit Ravikant Soni, Sanjay Lakhabhai Vasoya, Ravindra Charudatta Ghotikar, Anand Kumar Pandey, Hetal Remeshchandra Shah
  • PROCESS FOR THE PREPARATION OF PENTOSAN POLYSULFATE OR SALTS THEREOF
    Publication number: 20100105889
    Abstract: A process for the preparation of Pentosan polysulfate sodium comprising a step of purifying depolymerized crude Pentosan polysulfate sodium by filtration through NF membrane system.
    Type: Application
    Filed: May 16, 2007
    Publication date: April 29, 2010
    Inventors: Pandurang Balwant Deshpande, Parvenkumar Luthra, Anand Kumar Pandey, Dinesh Jayntibhai Paghdar, Phani,Sharma,Gowthamaiah Vemavarapu Govardhana