Patents Assigned to Discovery Chemicals, Inc.
  • Method for making an HCL adsorbent
    Patent number: 5595954
    Abstract: An HCl adsorbent, and method of making and using the adsorbent, the adsorbent comprising an activated alumina promoted with an alkali metal in an amount such that if calculated as alkali metal oxide, the adsorbent contains at least about 5% by weight alkali metal oxide.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: January 21, 1997
    Assignee: Discovery Chemicals, Inc.
    Inventors: John S. Lee, Michael J. Pearson
  • HCL adsorbent and method for making and using same
    Patent number: 5505926
    Abstract: An HCl adsorbent, and method of making and using the adsorbent, the adsorbent comprising an activated alumina promoted with an alkali metal in an amount such that if calculated as alkali metal oxide, the adsorbent contains at least about 5% by weight alkali metal oxide. The adsorbent is used for removal of HCl from a fluid stream.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: April 9, 1996
    Assignee: Discovery Chemicals, Inc.
    Inventors: John S. Lee, Michael J. Pearson
  • HCl adsorbent and method for making and using same
    Patent number: 5316998
    Abstract: An HCl adsorbent, and method of making and using the adsorbent, the adsorbent comprising an activated alumina promoted with an alkali metal in an amount such that if calculated as alkali metal oxide, the adsorbent contains at least about 5% by weight alkali metal oxide.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: May 31, 1994
    Assignee: Discovery Chemicals, Inc.
    Inventors: John S. Lee, Michael J. Pearson