Patents by Inventor Sakthivel Ayyamperumal

Sakthivel Ayyamperumal 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).

  • Method for the preparation of MWW type zeolite
    Patent number: 9359216
    Abstract: The present invention relates to a method for preparing MWW type zeolite; said method comprising i) intimately mixing together, in the absence of any organic structure directing agent or crystalline MWW type zeolite seeds, a predetermined quantity of a source of silicon dioxide, a source of metal oxide, water and a pH modifier to obtain an aqueous amorphous metallosilicate gel; and ii) hydrothermally treating said gel in the presence of an organic templating agent to provide a crystalline MWW type zeolite.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: June 7, 2016
    Assignee: Reliance Industries Limited
    Inventors: Vir Jasra Raksh, Das Jagannath, Unnikrishnan Sreedharan, Sakthivel Ayyamperumal
  • METHOD FOR THE PREPARATION OF MWW TYPE ZEOLITE
    Publication number: 20130330273
    Abstract: The present invention relates to a method for preparing MWW type zeolite; said method comprising i) intimately mixing together, in the absence of any organic structure directing agent or crystalline MWW type zeolite seeds, a predetermined quantity of a compound containing silicon dioxide, a compound containing metal oxide, water and a pH modifier to obtain an aqueous amorphous metallosilicate gel; and ii) hydrotherinally treating said gel in the presence of an organic tempiating agent to provide a crystalline M W w type zeonte.
    Type: Application
    Filed: November 21, 2011
    Publication date: December 12, 2013
    Applicant: RELIANCE INDUSTRIES LIMITED
    Inventors: Vir Jasra Raksh, Das Jagannath, Unnikrishnan Sreedharan, Sakthivel Ayyamperumal