Patents by Inventor Noel Paul Mailvaganam

Noel Paul Mailvaganam 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).

  • Treatment of fly ash
    Patent number: 6730161
    Abstract: A finely ground powder comprising a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite. Preferably, the amount of said compound is 0.4 to 1% by weight of the powder. A composition comprising Portland cement and finely ground powder, said finely ground powder being a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite. A method for the treatment of fly ash comprising the step of subjecting a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite, preferably in which the fly ash has been treated for removal of carbon and in particular to increase the amount of crystalline phase.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: May 4, 2004
    Assignee: Process Research Ortech, Inc.
    Inventors: Vaikuntam Iyer Lakshmanan, Ramamritham Sridhar, Noel Paul Mailvaganam, V. Mohan Malhotra
  • Treatment of fly ash
    Publication number: 20030079656
    Abstract: A finely ground powder comprising a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite. Preferably, the amount of said compound is 0.4 to 1% by weight of the powder. A composition comprising Portland cement and finely ground powder, said finely ground powder being a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite. A method for the treatment of fly ash comprising the step of subjecting a mixture of fly ash and a compound selected from the group consisting of alkali and alkaline earth metal salts, alkali and alkaline earth metal oxides, and metakaolinite, preferably in which the fly ash has been treated for removal of carbon and in particular to increase the amount of crystalline phase.
    Type: Application
    Filed: June 20, 2002
    Publication date: May 1, 2003
    Inventors: Vaikuntam Iyer Lakshmanan, Ramamritham Sridhar, Noel Paul Mailvaganam, V. Mohan Malhotra