Patents by Inventor Shravan Kumar Singh

Shravan Kumar Singh 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).

  • Crystalline form of afatinib dimaleate
    Patent number: 10011591
    Abstract: The present invention provides a crystalline Form I of afatinib dimaleate, its process for preparation and pharmaceutical composition thereof, and its use in the treatment of metastatic non-small cell lung cancer.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: July 3, 2018
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Shravan Kumar Singh, Shyam Sunder Verma, Kaptan Singh, Mohan Prasad
  • Process for the preparation of 4-dimethylaminocrotonic acid
    Patent number: 9758471
    Abstract: The present invention provides a process for the preparation of 4-dimethylaminocrotonic acid of Formula (II) or its salts, which is used as an intermediate for the preparation of afatinib or its salts.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 12, 2017
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Shyam Sunder Verma, Shravan Kumar Singh, Kaptan Singh, Mohan Prasad
  • CRYSTALLINE FORM OF AFATINIB DIMALEATE
    Publication number: 20170240533
    Abstract: The present invention provides a crystalline Form I of afatinib dimaleate, its process for preparation and pharmaceutical composition thereof, and its use in the treatment of metastatic non-small cell lung cancer.
    Type: Application
    Filed: October 1, 2015
    Publication date: August 24, 2017
    Applicant: Sun Pharmaceutical Industries Limited
    Inventors: Shravan Kumar SINGH, Shyam Sunder VERMA, Kaptan SINGH, Mohan PRASAD
  • PROCESS FOR THE PREPARATION OF 4-DIMETHYLAMINOCROTONIC ACID
    Publication number: 20170107172
    Abstract: The present invention provides a process for the preparation of 4-dimethylaminocrotonic acid of Formula (II) or its salts, which is used as an intermediate for the preparation of afatinib or its salts.
    Type: Application
    Filed: June 2, 2015
    Publication date: April 20, 2017
    Applicant: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Shyam Sunder VERMA, Shravan Kumar SINGH, Kaptan SINGH, Mohan PRASAD
  • PROCESS FOR THE PREPARATION OF AZILSARTAN MEDOXOMIL OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    Publication number: 20150011774
    Abstract: The present invention relates to a process for the preparation of azilsartan medoxomil or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: January 30, 2013
    Publication date: January 8, 2015
    Inventors: Md Abul Kalam Azad, Prakash Bhimaji Kshirsagar, Shravan Kumar Singh, Anand Prakash Tiwari, Kaptan Singh, Mohan Prasad, Sudershan Kumar Arora