Patents by Inventor Satyendra Mainkar PRATHAMA

Satyendra Mainkar PRATHAMA 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).

  • Process for the preparation of tapentadol and analogs thereof
    Patent number: 12172944
    Abstract: The present invention relates to a process for the preparation of tapentadol and analogs or compounds or stereoisomers of formula (I), Formula I wherein, A is aryl, heteroaryl, and cycloalkyl; R is H, OH, OR1, halogen, C1-C12 alkyl, cycloalkyl, aryl or heteroaryl; R1 is C1-C12 alkyl, cycloalkyl, aryl or heteroaryl, wherein each of these groups may further be substituted with one or more substituent selected from H, OH, halogen, CN, NO2, C1-C4 alkyl or phenyl. Further, the multi-step process involves no column chromatography purification until the very last step. This makes this process highly commercially viable and industrially useful.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: December 24, 2024
    Assignee: Council of Scientific & Industrial Research
    Inventors: Chandrasekhar Srivari, Satyendra Mainkar Prathama, Kranthi Kumar Ramagonolla, Sukumar Genji
  • PROCESS FOR THE PREPARATION OF TAPENTADOL AND ANALOGS THEREOF
    Publication number: 20220177413
    Abstract: The present invention relates to a process for the preparation of tapentadol and analogs or compounds or stereoisomers of formula (I), Formula I wherein, A is aryl, heteroaryl, and cycloalkyl; R is H, OH, OR1, halogen, C1-C12 alkyl, cycloalkyl, aryl or heteroaryl; R1 is C1-C12 alkyl, cycloalkyl, aryl or heteroaryl, wherein each of these groups may further be substituted with one or more substituent selected from H, OH, halogen, CN, NO2, C1-C4 alkyl or phenyl. Further, the multi-step process involves no column chromatography purification until the very last step. This makes this process highly commercially viable and industrially useful.
    Type: Application
    Filed: March 12, 2020
    Publication date: June 9, 2022
    Inventors: Chandrasekhar SRIVARI, Satyendra Mainkar PRATHAMA, Kranthi Kumar RAMAGONOLLA, Sukumar GENJI