×

Diphtheria toxin vaccines

  • US 5,601,827 A
  • Filed: 05/23/1995
  • Issued: 02/11/1997
  • Est. Priority Date: 06/18/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. A DNA encoding an immunologically cross-reactive form of diphtheria toxin Fragment A, wherein the codons corresponding to Val-147 and Glu-148 of naturally-occurring diphtheria toxin (FIG. 1;

  • SEQ ID NO;

    1) are absent from said DNA.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×