Patents Examined by O. Owens
  • Immobilization of PH-sensitive dyes to solid supports
    Patent number: 5384411
    Abstract: Disclosed are pH dyes containing a suitable compatible substituent which permits binding of the dye to a solid support. Also disclosed are methods for synthesizing such dyes prior to their coupling to the solid supports.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: January 24, 1995
    Assignee: Hewlett-Packard Company
    Inventors: Karla M. Robotti, Carl A. Myerholtz