Patents Assigned to ChromatoChem, Inc.
  • Process for separating a substance from a mixture
    Patent number: 6251278
    Abstract: Chromatographic material having the general formula S-B-X-Y-L where S is a solid support, B is a binding group, X is a substantially non-ionic hydrophilic organic spacer, Y is a coupling group and L is an affinity ligand. The chromatographic material is substantially free of non-specific adsorption and is stable at high pH.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: June 26, 2001
    Assignee: ChromatoChem, Inc.
    Inventor: Richard Frederick Hammen
  • Chromatographic material
    Patent number: 5240602
    Abstract: Chromatographic material having the general formula S-B-X-Y-L where S is a solid support, B is a binding group, X is a substantially non-ionic hydrophilic organic spacer, Y is a coupling group and L is an affinity ligand. The chromatographic material is substantially free of non-specific adsorption and is stable at high pH.
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: August 31, 1993
    Assignee: ChromatoChem, Inc.
    Inventor: Richard F. Hammen