Patents by Inventor Saridi Madhava Dileep Kumar

Saridi Madhava Dileep 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).

  • Publication number: 20160185760
    Abstract: The present invention relates to a process of preparation of malic acid salt of sunitinib.(I).
    Type: Application
    Filed: February 25, 2011
    Publication date: June 30, 2016
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh SANWAL, Saridi Madhava Dileep KUMAR, Swargam SATHYANARAYANA, Rajesh Kumar THAPER, Mohan PRASAD
  • Patent number: 8916716
    Abstract: The present invention relates to stable crystalline Form II of L-malic acid salt of sunitinib and its preparation.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: December 23, 2014
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana
  • Publication number: 20130210885
    Abstract: The present invention relates to crystalline forms of L-malic acid salt of sunitinib and its preparation. The crystalline forms of the present invention are designated as Form V and Form VI of L-malic acid salt of sunitinib. Formula (I).
    Type: Application
    Filed: January 28, 2011
    Publication date: August 15, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Publication number: 20130197242
    Abstract: The present invention relates to stable crystalline Form II of L-malic acid salt of sunitinib and its preparation.
    Type: Application
    Filed: November 19, 2010
    Publication date: August 1, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana
  • Publication number: 20130123511
    Abstract: The present invention relates to a process for the direct preparation of malic acid salt of sunitinib.
    Type: Application
    Filed: February 25, 2011
    Publication date: May 16, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Publication number: 20120271056
    Abstract: The present invention relates to a process for the preparation of crystalline Form I of the L-malic acid salt of sunitinib.
    Type: Application
    Filed: November 12, 2010
    Publication date: October 25, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Publication number: 20120220783
    Abstract: The present invention relates to salts of sunitinib and their preparation.
    Type: Application
    Filed: September 16, 2010
    Publication date: August 30, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sudhir Singh Sanwal, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Publication number: 20120220777
    Abstract: The present invention relates to an in-situ process for the preparation of polymorphic Form A of lenalidomide.
    Type: Application
    Filed: September 16, 2010
    Publication date: August 30, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Saridi Madhava Dileep Kumar, Munish Kapoor, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Publication number: 20120184746
    Abstract: The present invention relates to a process for the preparation of lenalidomide, wherein the process comprises: reducing 3-(4-nitro-loxo-1,3-dihydro-2H-isoindol-2-yl)piperidine-2,6-dione to obtain lenalidomide.
    Type: Application
    Filed: September 3, 2010
    Publication date: July 19, 2012
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Munish Kapoor, Saridi Madhava Dileep Kumar, Balaguru Murugesan, Swargam Sathyanarayana, Rajesh Kumar Thaper, Mohan Prasad
  • Patent number: 7994343
    Abstract: A process for the production of amorphous atorvastatin calcium and stabilized, amorphous atorvastatin calcium is provided.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: August 9, 2011
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Yatendra Kumar, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana
  • Publication number: 20100197941
    Abstract: A process for the production of amorphous atorvastatin calcium and stabilized, amorphous atorvastatin calcium is provided.
    Type: Application
    Filed: November 19, 2004
    Publication date: August 5, 2010
    Inventors: Yatendra Kumar, Saridi Madhava Dileep Kumar, Swargam Sathy Anarayana
  • Publication number: 20090306173
    Abstract: The present invention relates to crystalline forms of Atorvastatin magnesium and processes for their preparation. The crystalline forms of the present invention are designated as form X, form Y, form Z and form P of atorvastatin magnesium. The present invention further relates to pharmaceutical compositions comprising form X, form Y, form Z and form P of atorvastatin magnesium and method of using the crystalline forms.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 10, 2009
    Inventors: Vipin TYAGI, Wajid Sajjad Jafri, Sanjay Kumar, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Kaptan Singh, Mohan Prasad
  • Publication number: 20090216029
    Abstract: A process for the production of amorphous atorvastatin calcium and stabilized, amorphous atorvastatin calcium is provided.
    Type: Application
    Filed: February 21, 2008
    Publication date: August 27, 2009
    Inventors: Yatendra KUMAR, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana
  • Patent number: 6541511
    Abstract: The present invention relates to a novel methyl analog of simvastatin, which has the ability to inhibit the synthesis of cholesterol. The compound of the present invention holds promise for the treatment and prophylaxis of hypercholesterolemia and of various cardiac disorders. The invention also relates to a process for making the novel compound.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: April 1, 2003
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Rajesh Kumar Thaper, Saridi Madhava Dileep Kumar, Yatendra Kumar