Patents Represented by Attorney Salvadore P. Pace

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  • Air purification process
    Patent number: 5980611
    Abstract: Substantially all of the carbon dioxide is removed from a gas containing up to about 1% by volume carbon dioxide by subjecting the gas to a pressure swing adsorption process using as the adsorbent a single layer of zeolite having a silicon to aluminum atomic ratio in the range of 1.5 to 70. The process is particularly suitable for removing substantially all carbon dioxide and water vapor contained in air prior to subjecting the air to cryogenic distillation.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: November 9, 1999
    Assignee: The BOC Group, Inc.
    Inventors: Ravi Kumar, Shuguang Deng, Martin Bulow, Frank Fitch, Adeola Florence Ojo, Craig S. Gittleman