Patents by Inventor Swapan Kumar Mandal

Swapan Kumar Mandal 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).

  • COMPOSITION FOR MAKING A DRILLING FLUID A NON-INVASIVE DRILLING FLUID
    Publication number: 20240141224
    Abstract: A composition is for making a drilling fluid a non-invasive drilling fluid. The composition has a first component comprising particles having a scratch hardness above 2 Mohs and a second component comprising particles selected from the group of fragmented seeds of Tamarindus indica, comminuted bark from Litsea glutinosa, or comminuted Ocimum tenuiflorum. Also disclosed is a non-invasive drilling fluid having the composition, and a method for drilling a wellbore.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Applicant: European Mud Company AS
    Inventors: Jan Kristian Vasshus, Karl Ronny Klungtvedt, Swapan Kumar Mandal
  • Composition for making a drilling fluid a non-invasive drilling fluid
    Patent number: 11912928
    Abstract: A composition is for making a drilling fluid a non-invasive drilling fluid. The composition has a first component comprising particles having a scratch hardness above 2 Mohs and a second component comprising particles selected from the group of fragmented seeds of Tamarindus indica, comminuted bark from Litsea glutinosa, or comminuted Ocimum tenuiflorum. Also disclosed is a non-invasive drilling fluid having the composition, and a method for drilling a wellbore.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: February 27, 2024
    Assignee: European Mud Company AS
    Inventors: Jan Kristian Vasshus, Karl Ronny Klungtvedt, Swapan Kumar Mandal
  • COMPOSITION FOR MAKING A DRILLING FLUID A NON-INVASIVE DRILLING FLUID
    Publication number: 20220251437
    Abstract: A composition is for making a drilling fluid a non-invasive drilling fluid. The composition has a first component comprising particles having a scratch hardness above 2 Mohs and a second component comprising particles selected from the group of fragmented seeds of Tamarindus indica, comminuted bark from Litsea glutinosa, or comminuted Ocimum tenuiflorum. Also disclosed is a non-invasive drilling fluid having the composition, and a method for drilling a wellbore.
    Type: Application
    Filed: March 13, 2020
    Publication date: August 11, 2022
    Applicant: European Mud Company AS
    Inventors: Jan Kristian Vasshus, Karl Ronny Klungtvedt, Swapan Kumar Mandal
  • Herbal extract and compound lupinoside and its analogues as anti-diabetic type II drugs from plant Pueraria tuberosa
    Patent number: 7276258
    Abstract: The present invention relates to a method of preventing and/or treating diabetes type 2, also, it relates to a method of augmenting Glut4 phosphorylation and Glut4 translocation to a target cell membrane to enhance insulin signal in a signal transduction pathway; further, it relates to a simplified and inexpensive process of obtaining extract and thereafter selectively, its active n-butanol fraction and active molecule Lupinoside PA (LPA4), useful in preventing and/or treating diabetes type 2; and lastly, a pharmaceutical composition thereof.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: October 2, 2007
    Assignee: Council of Scientific & Industrial Research
    Inventors: Debleena Dey, Swapan Kumar Mandal, Mohua Mukherjee, Bikash Chandra Pal, Tanushree Biswas, Malabika Datta, Sib Sankar Roy, Arun Bandyopadhyay, Samir Bhattacharya, Bir Bhanu Giri, Santu Bandopadhyay, Aditya Konar