Patents by Inventor Swapnali HAZARIKA

Swapnali HAZARIKA 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 extraction and separation of oxyresveratrol from Roxb
    Patent number: 10376840
    Abstract: The present invention relates to a process for separation of oxyresveratrol molecule from the extracted solution of Artocarpus lakoocha Roxb. through membrane application. The product can be obtained in excellent yield upto 81% in case of extraction using water as solvent and can be separated from the extracted mixture upto 98% using indigenously developed nanofiltration membrane. Only the desired Trans isomer is obtained and no cis isomerization takes place during the extraction process.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: August 13, 2019
    Assignee: Council of Scientific & Industrial Research
    Inventors: Swapnali Hazarika, Dilip Konwar, Hirokjyoti Borah, Somiron Borthakur, Pranab Barkakati, Mohan Modon Bora, Ram Nath Das
  • A PROCESS FOR EXTRACTION AND SEPARATION OF OXYRESVERATROL FROM ARTOCARPUS LAKOOCHA ROXB
    Publication number: 20170296970
    Abstract: The present invention relates to a process for separation of oxyresveratrol molecule from the extracted solution of Artocarpus lakoocha Roxb. through membrane application. The product can be obtained in excellent yield upto 81% in case of extraction using water as solvent and can be separated from the extracted mixture upto 98% using indigenously developed nanofiltration membrane. Only the desired Trans isomer is obtained and no cis isomerisation takes place during the extraction process.
    Type: Application
    Filed: October 7, 2015
    Publication date: October 19, 2017
    Inventors: Swapnali HAZARIKA, Dilip KONWAR, Hirokjyoti BORAH, Somiron BORTHAKUR, Pranab BARKAKATI, Mohan Modon BORA, Ram NAth DAS