Patents by Inventor Venu S. Lakshmipathi

Venu S. Lakshmipathi 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: 20080306256
    Abstract: The present invention relates to an improved process for the preparation of cephalosporin antibiotics of formula (I). The present invention also provides new salts of compound of formula (II) and a process for the preparation of these new salts, where n=0.5 to 2. The present invention also provides a process for the preparation of compound of formula (I) using the new salts of formula (II).
    Type: Application
    Filed: July 4, 2005
    Publication date: December 11, 2008
    Applicant: Orchid Chemicals & Pharmaceuticals Limited
    Inventors: Udayampalayam P. Senthilkumar, Venu S. Lakshmipathi, Gnanaprakasam Andrew, Ramasubbu Chandrasekaran, Dindigala Nagender Rao, Gaddam Om Reddy
  • Patent number: 7361761
    Abstract: The present invention is to relate an improved process using anisole as solvent for the preparation of compound of formula (I) and its pharmaceutically acceptable salts thereof. wherein R represents —NR1R2, or a group n=1, 2, 3, 4 and 5, where R1 and R2 may be same or different and independently represents hydrogen, or C1-6 alkyl.
    Type: Grant
    Filed: September 19, 2006
    Date of Patent: April 22, 2008
    Assignee: Orchid Chemicals & Pharmaceuticals Ltd.
    Inventors: Udayampalayam P. Senthilkumar, Thangavel Arulmoli, Venu S. Lakshmipathi, Siripragada M. Rao