Patents by Inventor Kolla Naveen Kumar

Kolla Naveen Kumar 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).

  • APREPITANT COMPOSITIONS
    Publication number: 20090209541
    Abstract: Pharmaceutical compositions comprising aprepitant, wherein aprepitant solubility in aqueous media is enhanced.
    Type: Application
    Filed: June 18, 2007
    Publication date: August 20, 2009
    Applicants: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Paras Jain, Umesh V. Barabde, Ravinder Kodipyaka, Indu Bhushan, Vijayavitthal Thippannachar Mathad, Pravinchandra Jayantilal Vankawala, Kolla Naveen Kumar, Arunagiri Muthulingam, Gangula Srinivas, Chlamala Subrahmanyeswara Rao, Elati Ravi Ram Chandrasekhar
  • Process for preparation of donepezil
    Patent number: 7148354
    Abstract: An efficient process for preparation of donepezil is provided. In one embodiment, the process for preparation of donepezil includes suspending a catalyst, which is palladium metal on carbon and the compound of the structure in an alcoholic solvent and hydrogenating the suspension at the hydrogen pressure of from about 1 to about 5 and a temperature of from about 40 to about 90° C. till the hydrogenation reaction is substantially complete to obtain a compound of the formula (VI): which then converted to donepezil. The processes of the invention are believed to be simple, eco-friendly, and commercially viable.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: December 12, 2006
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Manne Satyanarayana Reddy, Sajja Eswaraiah, Mathad Vijayavitthal Thippannachar, Elati Ravi Rama Chandrashekar, Podichetty Anil Kumar, Kolla Naveen Kumar
  • Process for preparation of donepezil
    Publication number: 20040143121
    Abstract: An efficient process for preparation of donepezil is provided.
    Type: Application
    Filed: July 24, 2003
    Publication date: July 22, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Sajja Eswaraiah, Mathad Vijayavitthal Thippannachar, Elati Ravi Rama Chandrashekar, Podichetty Anil Kumar, Kolla Naveen Kumar
  • Polymorphic forms of (S)-Repaglinide and the processes for preparation thereof
    Publication number: 20040102477
    Abstract: The present invention relates to crystalline and amorphous forms of repaglinide and the process for the preparation thereof. In particular, a new crystalline Form III of S-repaglinide is described and the process for its preparation is provided. Both the crystalline and amorphous forms of repaglinide are suitable for pharmaceutical purposes in the treatment of diabetes. The processes of the invention are simple, non-hazardous and commercially suitable.
    Type: Application
    Filed: August 25, 2003
    Publication date: May 27, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Sajja Eswaraiah, Mathad Vijayavitthal Trippapnchar, Govindan Shanmugam, Maddipatla Madhavi, Kolla Naveen Kumar