Patents by Inventor Ganesh Varanasi

Ganesh Varanasi 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).

  • Azacitidine process and polymorphs
    Patent number: 9416152
    Abstract: The present invention relates to process for the preparation of azacitidine and its crystalline forms.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: August 16, 2016
    Assignees: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Praveen Cherukupally, Satish Kumar Vujjini, Ganesh Varanasi, Sreenadha Charyulu Kandala, Srinivas Areveli, Satyanarayana Raju Tirumalaraju
  • AZACITIDINE PROCESS AND POLYMORPHS
    Publication number: 20140155588
    Abstract: Processes for preparing azacitidine. Further included are processes for the preparation of crystalline azacitidine crystalline Form I and mixtures of azacitidine crystalline Forms I and II.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicants: DR. REDDY'S LABORATORIES INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Praveen CHERUKUPALLY, Satish Kumar VUJJINI, Ganesh VARANASI, Sreenadha Charyulu KANDALA, Srinivas AREVELI, Satyanarayana Raju TIRUMALARAJU
  • Azacitidine process and polymorphs
    Patent number: 8703932
    Abstract: Processes for preparing azacitidine. Further included are processes for the preparation of crystalline azacitidine crystalline Form I and mixtures of azacitidine crystalline Forms I and II.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: April 22, 2014
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Praveen Cherukupally, Satish Kumar Vujjini, Ganesh Varanasi, Sreenadha Charyulu Kandala, Srinivas Areveli, Satyanarayana Raju Tirumalaraju
  • PREPARATION OF FOSAMPRENAVIR CALCIUM
    Publication number: 20110224443
    Abstract: Process for preparation of fosamprenavir and its intermediate salts using novel phthalimide intermediates.
    Type: Application
    Filed: March 14, 2011
    Publication date: September 15, 2011
    Inventors: Venkata Naga Brahmeshwara Rao Mandava, Praveen Cherukupally, Ganesh Varanasi, Srinivas Areveli, Chandra Sekhar Vempati, Ramakrishna Reddy Narayana, Sreenadha Charyulu Kandala
  • Preparation of rivastigmine and its salts
    Patent number: 8013181
    Abstract: There are provided processes for making rivastigmine. In one embodiment, the process includes reacting S-(?)-[1-(3-hydroxyphenyl)ethyl]dimethylamine with N-ethyl-N-methyl carbamoyl chloride in the presence of an organic base to obtain a free base of rivastigmine.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: September 6, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkata Naga Brahmeswara Rao Mandava, Venkata Reddy Vajrala, Ganesh Varanasi, Vijay Kumar Adla, Mukund Reddy Jambula, Vijaypal Reddy Kanumathi Reddy
  • AZACITIDINE PROCESS AND POLYMORPHS
    Publication number: 20110201800
    Abstract: Processes for preparing azacitidine. Further included are processes for the preparation of crystalline azacitidine crystalline Form (I) and mixtures of azacitidine crystalline Forms (I) and (II).
    Type: Application
    Filed: January 28, 2011
    Publication date: August 18, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Praveen Cherukupally, Satish Kumar Vujjini, Ganesh Varanasi, Sreenadha Charyulu Kandala, Srinivas Areveli, Satyanarayana Raju Tirumalaraju
  • PREPARATION OF ARMODAFINIL FORM I
    Publication number: 20100036164
    Abstract: Preparation of armodafinil crystalline Form I. Also provided is armodafinil having about 30% or more by weight of particles with sizes greater than about 250 ?m, and about 70% or less by weight of particles having sizes less than about 250 ?m, wherein of the particles having sizes less than about 250 ?m, about 50% of them have diameters less than about 50 ?m.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Inventors: Srinivas Areveli, Radha Krishna Singamsetty, Satish Kumar Vujjni, Vijaya Kumar Adla, Sreenadha Charyulu Kandala, Ganesh Varanasi, Subbareddy Peddireddy, Mohammed Azeezulla Baig
  • PREPARATION OF RIVASTIGMINE AND ITS SALTS
    Publication number: 20080255383
    Abstract: There are provided processes for making rivastigmine. In one embodiment, the process includes reacting S-(?)-[1-(3-hydroxyphenyl)ethyl]dimethylamine with N-ethyl-N-methyl carbamoyl chloride in the presence of an organic base to obtain a free base of rivastigmine.
    Type: Application
    Filed: April 10, 2008
    Publication date: October 16, 2008
    Inventors: Venkata Naga Brahmeswara Rao Mandava, Venkata Reddy Vajrala, Ganesh Varanasi, Vijay Kumar Adla, Mukund Reddy Jambula, Vijaypal Reddy Kanumathi Reddy
  • PRIMIDONE PROCESS AND COMPOSITIONS
    Publication number: 20070149779
    Abstract: The present invention relates to a process for the preparation of primidone. It also relates to compositions comprising primidone of desired particle size distribution, processes for the preparation of such particles and processes for the preparation of the compositions.
    Type: Application
    Filed: December 19, 2006
    Publication date: June 28, 2007
    Inventors: Eswaraiah Sajja, Sudeep Agrawal, Alagumurugan Alagarsamy, Ravindar Koppera, Madhusudhan Ganta, Ramesh Konda, Ganesh Varanasi, Indu Bhushan, Mailatur Mohan, Asif Anwar