Patents Assigned to Sud-Chemie Adsorbents, Inc.
  • Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes
    Patent number: 6762144
    Abstract: A process for the production of a bleaching clay product which includes the steps of selecting a naturally occurring, acidic hormite clay product, cleaning and crushing the hormite clay products to form clay clumps, selecting a naturally occurring less acidic, clay product which contains a higher level of montmorillonite than does the acidic hormite clay, aging the crushed hormite clay for about one (1) month or more, blending the aged hormite clay with the less acidic clay product either before or after aging and activating the clay with small quantities of acid. An acceptable bleaching clay product can be produced without activation with acid.
    Type: Grant
    Filed: April 8, 2003
    Date of Patent: July 13, 2004
    Assignee: Sud-Chemie Adsorbents, Inc.
    Inventors: Jorge Bello, Christian Farby
  • Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes
    Patent number: 6569798
    Abstract: A process for the production of a bleaching clay product which includes the steps of selecting a naturally occurring, acidic hormite clay product, cleaning and crushing the hormite clay products to form clay clumps, selecting a naturally occurring less acidic, clay product which contains a higher level of montmorillonite than does the acidic hormite clay, aging the crushed hormite clay, blending the aged hormite clay with the less acidic clay product either before or after aging and activating the clay with small quantities of acid. An acceptable bleaching clay product can be produced without activation with acid.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: May 27, 2003
    Assignee: Sud-Chemie Adsorbents, Inc.
    Inventors: Jorge Bello, Christian Fabry
  • Processes for producing a blended bleaching clay product and blended bleaching clay products produced by those processes
    Publication number: 20010039683
    Abstract: A process for the production of a bleaching clay product which includes the steps of selecting a naturally occurring, acidic hormite clay product, cleaning and crushing the hormite clay products to form clay clumps, selecting a naturally occurring less acidic, clay product which contains a higher level of montmorillonite than does the acidic hormite clay, aging the crushed hormite clay, blending the aged hormite clay with the less acidic clay product either before or after aging and activating the clay with small quantities of acid. An acceptable bleaching clay product can be produced without activation with acid.
    Type: Application
    Filed: March 22, 2001
    Publication date: November 15, 2001
    Applicant: Sud-Chemie Adsorbents, Inc.
    Inventors: Jorge Bello, Christian Fabry