Patents by Inventor Biju Maippan DEVASSY

Biju Maippan DEVASSY 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).

  • ALKANE DEHYDROGENATION CATALYST
    Publication number: 20250065309
    Abstract: An alkane dehydrogenation catalyst including a support; and on the support. an active layer including gallium oxide, aluminum oxide, cerium oxide, a Group 1 metal oxide, and a Group 8-11 metal oxide. The catalyst composition of the examples comprises oxides of gallium, cerium, potassium, platinum and aluminium.
    Type: Application
    Filed: December 19, 2022
    Publication date: February 27, 2025
    Inventors: Naresh Dhachapally, Biju Maippan Devassy, Nigit Jose Meleppuram, Vinod Sankaran Nair
  • Catalyst for paraffin dehydrogenation
    Patent number: 12179176
    Abstract: Rare earth element containing catalysts for dehydrogenating paraffins and the methods of making the catalysts are disclosed. A rare earth modified alumina support in eta-alumina form, theta-alumina form, or combinations thereof is impregnated with chromium-containing solution. The chromium-impregnated support is then subjected to calcination processes. The produced catalyst contains the rare earth element, chromium, and alumina. The crush strength of the produced catalyst is greater than 0.4 daN/mm.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: December 31, 2024
    Assignee: SABIC Global Technologies B.V.
    Inventors: Biju Maippan Devassy, Rekha Mahadevaiah, Prashant Kumar Raichur Krishtacharya, Vinod Sankaran Nair
  • Catalyst for paraffin dehydrogenation
    Patent number: 12145132
    Abstract: Rare earth element containing catalysts for dehydrogenating paraffins and the methods of making the catalysts are disclosed. A rare earth modified alumina support in eta-alumina form, theta-alumina form, or combinations thereof is impregnated with chromium-containing solution. The chromium-impregnated support is then subjected to calcination processes. The produced catalyst contains the rare earth element, chromium, and alumina. The crush strength of the produced catalyst is greater than 0.4 daN/mm.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: November 19, 2024
    Assignee: SABIC Global Technologies B.V.
    Inventors: Biju Maippan Devassy, Rekha Mahadevaiah, Prashant Kumar Raichur Krishtacharya, Vinod Sankaran Nair
  • Method of preparation of dehydrogenation catalyst with high chromium content
    Patent number: 12121887
    Abstract: A method for the dehydrogenation of lower alkanes is disclosed. The method employs a chromium-alumina dehydrogenation catalyst with high chromium content supported on eta-alumina. The catalyst contains greater than 25 percent by weight chromium in the form of chromium (III) oxide, and exhibits extended stability over traditional alkane dehydrogenation catalysts.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 22, 2024
    Assignee: SABIC Global Technologies B.V.
    Inventors: Biju Maippan Devassy, Rekha Mahadevaiah, Prashant Kumar Raichur Krishtacharya, Vinod Sankaran Nair
  • CATALYST FOR PARAFFIN DEHYDROGENATION
    Publication number: 20210387167
    Abstract: Rare earth element containing catalysts for dehydrogenating paraffins and the methods of making the catalysts are disclosed. A rare earth modified alumina support in eta-alumina form, theta-alumina form, or combinations thereof is impregnated with chromium-containing solution. The chromium-impregnated support is then subjected to calcination processes. The produced catalyst contains the rare earth element, chromium, and alumina. The crush strength of the produced catalyst is greater than 0.4 daN/mm.
    Type: Application
    Filed: October 4, 2019
    Publication date: December 16, 2021
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Biju Maippan DEVASSY, Rekha MAHADEVAIAH, Prashant Kumar Raichur KRISHTACHARYA, Vinod Sankaran NAIR
  • METHOD OF PREPARATION OF DEHYDROGENATION CATALYST WITH HIGH CHROMIUM CONTENT
    Publication number: 20210001316
    Abstract: A method for the dehydrogenation of lower alkanes is disclosed. The method employs a chromium-alumina dehydrogenation catalyst with high chromium content supported on eta-alumina. The catalyst contains greater than 25 percent by weight chromium in the form of chromium (III) oxide, and exhibits extended stability over traditional alkane dehydrogenation catalysts.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 7, 2021
    Inventors: Biju Maippan DEVASSY, Rekha MAHADEVAIAH, Prashant Kumar Raichur KRISHTACHARYA, Vinod Sankaran NAIR