Patents by Inventor Vaddadi Pattabhi Ramayya

Vaddadi Pattabhi Ramayya 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).

  • Amorphous form of (-)-[2-[4-[(4-Chlorophenyl)-phenyl methyl]-1- piperazinyl] ethoxy] acetic acid dihydrochloride (levocetirizine dihydrochloride)
    Publication number: 20040132743
    Abstract: The present invention relates to the amorphous form of levocetirizine dihydrochloride. The present invention also relates to the process for the preparation of the amorphous form of levocetirizine dihydrochloride. The amorphous form of levocetirizine dihydrochloride is suitable for pharmaceutical purposes in the treatment of allergies, including ailments such as chronic and acute allergic rhinitis, allergic conjunctivitis, pruritus, urticaria and the like.
    Type: Application
    Filed: June 23, 2003
    Publication date: July 8, 2004
    Applicant: DR. REDDY'S LABORATORIES LIMITED DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Srinivasan Thirumalai Rajan, Uppala Venkata Bhaskara Rao, Vaddadi Pattabhi Ramayya