Patents Assigned to SHIVALIK RASAYAN LIMITED
  • Process for preparing highly pure temozolomide
    Patent number: 11597731
    Abstract: The present invention provides a new process for preparation of imidazo-tetrazine class of chemical entity useful as anticancer agent. The present invention provides a commercially and economically viable process for preparation of Temozolomide of formula (VI). Present invention also relates to an intermediate compound of formula (III) and its preparation useful in the process for preparing Temozolomide.
    Type: Grant
    Filed: July 17, 2021
    Date of Patent: March 7, 2023
    Assignee: SHIVALIK RASAYAN LIMITED
    Inventors: Akshay Kant Chaturvedi, Bijan Kumar Panda, Amit Kumar, Deepali Chaturvedi
  • PROCESS FOR PREPARING HIGHLY PURE TEMOZOLOMIDE
    Publication number: 20230041538
    Abstract: The present invention provides a new process for preparation of imidazo-tetrazine class of chemical entity useful as anticancer agent. The present invention provides a commercially and economically viable process for preparation of Temozolomide of formula (VI). Present invention also relates to an intermediate compound of formula (III) and its preparation useful in the process for preparing Temozolomide.
    Type: Application
    Filed: July 17, 2021
    Publication date: February 9, 2023
    Applicant: SHIVALIK RASAYAN LIMITED
    Inventors: AKSHAY KANT CHATURVEDI, BIJAN KUMAR PANDA, AMIT KUMAR, DEEPALI CHATURVEDI
  • Process for preparation of highly pure Fingolimod hydrochloride
    Patent number: 11518733
    Abstract: The present invention provides process for preparation of highly pure Fingolimod hydrochloride (I), without involving the use of column chromatographic purification in the entire process. Fingolimod hydrochloride (I) obtained by the process of present invention may be useful as active pharmaceutical ingredient in pharmaceutical compositions for the treatment of autoimmune related disorder including multiple sclerosis.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 6, 2022
    Assignee: SHIVALIK RASAYAN LIMITED
    Inventors: Akshay Kant Chaturvedi, Vimal Kumar Shrawat, Sahdev Singh
  • PROCESS FOR THE PREPARATION OF HIGHLY PURE ERLOTINIB HYDROCHLORIDE
    Publication number: 20220235014
    Abstract: The present invention provides to an improved process for the preparation of highly pure Erlotinib hydrochloride of formula (I) The substantially pure Erlotinib hydrochloride (I) obtained by improved process of the present invention is having purity of greater than 99.8% (% w/w by HPLC). Erlotinib hydrochloride is useful in the treatment of cancer more particularly in the treatment of lung cancer and pancreatic cancer.
    Type: Application
    Filed: January 23, 2021
    Publication date: July 28, 2022
    Applicant: SHIVALIK RASAYAN LIMITED
    Inventors: AKSHAY KANT CHATURVEDI, SATYENDRA SINGH, BIJAN PANDA
  • PROCESS FOR PREPARATION OF FINGOLIMOD HYDROCHLORIDE
    Publication number: 20220153684
    Abstract: The present invention relates to a process for the preparation of the active pharmaceutical ingredient Fingolimod Hydrochloride (I) and its highly pure intermediate [2-acetamido-2-(acetyloxy methyl)-4-phenylbutyl] acetate(II)
    Type: Application
    Filed: October 29, 2021
    Publication date: May 19, 2022
    Applicant: SHIVALIK RASAYAN LIMITED
    Inventors: AKSHAY KANT CHATURVEDI, SATYENDRA SINGH, SATBIR SINGH, GAJENDRA KUMAWAT
  • PROCESS FOR PREPARATION OF HIGHLY PURE FINGOLIMOD HYDROCHLORIDE
    Publication number: 20220064102
    Abstract: The present invention provides process for preparation of highly pure Fingolimod hydrochloride (I), without involving the use of column chromatographic purification in the entire process. Fingolimod hydrochloride (I) obtained by the process of present invention may be useful as active pharmaceutical ingredient in pharmaceutical compositions for the treatment of autoimmune related disorder including multiple sclerosis.
    Type: Application
    Filed: September 8, 2021
    Publication date: March 3, 2022
    Applicant: SHIVALIK RASAYAN LIMITED
    Inventors: AKSHAY KANT CHATURVEDI, VIMAL KUMAR SHRAWAT, SAHDEV SINGH