Patents by Inventor Hari Babu MATTA

Hari Babu MATTA 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).

  • Pure crystalline Form II of L-malic acid salt of sunitinib and processes for its preparation
    Patent number: 9604968
    Abstract: The present invention relates to pure crystalline Form II of an L-malic acid salt of sunitinib and a process for its preparation. The invention further provides crystalline Form II of an L-malic acid salt of sunitinib having a purity of at least 97.0%. The invention also provides crystalline Form II of an L-malic acid salt of sunitinib substantially free of an anti-oxidant. The invention also provides crystalline Form II of L-malic acid salt of sunitinib which remains chemically pure on storage at 25° C.±2° C. and 40° C.±2° C. at a relative humidity of 60%±5% and 75%±5%, respectively, for at least 1 month.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: March 28, 2017
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Hari Babu Matta, Mahavir Singh Khanna, Mohan Prasad
  • Ascorbic acid salt of sunitinib
    Patent number: 9278955
    Abstract: The present invention relates to an ascorbic acid salt of sunitinib and a process for its preparation. The present invention further provides a crystalline Form I of an L-ascorbic acid salt of sunitinib.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: March 8, 2016
    Assignee: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Hari Babu Matta, Mahavir Singh Khanna, Mohan Prasad
  • PURE CRYSTALLINE FORM II OF L-MALIC ACID SALT OF SUNITINIB AND PROCESSES FOR ITS PREPARATION
    Publication number: 20150112085
    Abstract: The present invention relates to pure crystalline Form II of an L-malic acid salt of sunitinib and a process for its preparation. The invention further provides crystalline Form II of an L-malic acid salt of sunitinib having a purity of at least 97.0%. The invention also provides crystalline Form II of an L-malic acid salt of sunitinib substantially free of an anti-oxidant. The invention also provides crystalline Form II of L-malic acid salt of sunitinib which remains chemically pure on storage at 25° C.±2° C. and 40° C.±2° C. at a relative humidity of 60%±5% and 75%±5%, respectively, for at least 1 month.
    Type: Application
    Filed: January 6, 2014
    Publication date: April 23, 2015
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Hari Babu MATTA, Mahavir Singh KHANNA, Mohan PRASAD
  • ASCORBIC ACID SALT OF SUNITINIB
    Publication number: 20150111940
    Abstract: The present invention relates to an ascorbic acid salt of sunitinib and a process for its preparation. The present invention further provides a crystalline Form I of an L-ascorbic acid salt of sunitinib.
    Type: Application
    Filed: January 6, 2014
    Publication date: April 23, 2015
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Hari Babu MATTA, Mahavir Singh KHANNA, Mohan PRASAD