Patents by Inventor Gopal Ravichandran

Gopal Ravichandran 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).

  • Publication number: 20050158237
    Abstract: The present invention relates to a process for enhancing the yield of molecular sieve zeolite during the synthesis from a sodium aluminosilicate reaction mixture, said process comprising the step of adding at an intermediate stage of crystallization a source of aluminum to the sodium aluminosilicate reaction mixture and allowing the mixture to crystallize.
    Type: Application
    Filed: January 16, 2004
    Publication date: July 21, 2005
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Ram Thakur, Mohan Kuvettu, Biswanath Sarkar, Venkatachalam Krishnan, Mitra Patel, Sanjay Ray, Gopal Ravichandran, Satish Makhija, Sobhan Ghosh
  • Patent number: 6858556
    Abstract: A process for the preparation of a stabilized dual zeolite catalyst-comprising two types of zeolites, a low silica molecular sieve and a stabilized high silica zeolite is disclosed. The catalyst is useful for cracking heavier hydrocarbons into lighter useful products.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: February 22, 2005
    Assignee: Indian Oil Corporation Limited
    Inventors: Mohan Prabhu Kuvettu, Sanjay Kumar Ray, Gopal Ravichandran, Venkatchalam Krishnan, Satyen Kumar Das, Satish Makhija, Sobhan Ghosh
  • Publication number: 20030166453
    Abstract: The present invention relates to a stabilized dual zeolite catalyst for cracking heavier hydrocarbons into lighter useful products said catalyst comprising two types of zeolites viz., low silica molecular sieve and stabilized high silica zeolite, silica-alumina based binder and kaolin clay and a process for the preparation of the stabilized dual zeolite catalyst.
    Type: Application
    Filed: February 25, 2002
    Publication date: September 4, 2003
    Inventors: Mohan Prabhu Kuvettu, Sanjay Kumar Ray, Gopal Ravichandran, Venkatchalam Krishnan, Satyen Kumar Das, Satish Makhija, Sobhan Ghosh
  • Patent number: 6613710
    Abstract: A process for preparing bi-functional catalyst for Fluid Catalytic Cracking (FCC), that comprises molecular sieves, modified clay and semi-basic alumina and the catalyst for highly effective cracking of high boiling petroleum feedstock to provide simultaneously, enhanced yields of Liquefied Petroleum Gas (LPG) and reduction of undesirable bottoms.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: September 2, 2003
    Assignee: Indian Oil Corporation Limited
    Inventors: Sanjay Kumar Ray, Mohan Prabhu Kuvettu, Venkatchalam Krishnan, Gopal Ravichandran, Kamlesh Gupta, Sukumar Mandal, Satish Makhija, Sobhan Ghosh, Arumugam Velayutham Karthikeyani, Mitra Bhanu Patel
  • Publication number: 20030069126
    Abstract: A process for preparing bi-functional catalyst for Fluid Catalytic Cracking (FCC), that comprises molecular sieves, modified clay and semi-basic alumina and the catalyst for highly effective cracking of high boiling petroleum feedstock to provide simultaneously, enhanced yields of Liquefied Petroleum Gas (LPG) and reduction of undesirable bottoms.
    Type: Application
    Filed: September 25, 2001
    Publication date: April 10, 2003
    Inventors: Sanjay Kumar Ray, Mohan Prabhu Kuvettu, Venkatchalam Krishnan, Gopal Ravichandran, Kamlesh Gupta, Sukumar Mandal, Satish Makhija, Sobhan Ghosh, Arumugam Velayutham Karthikeyani, Mitra Bhanu Patel