The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 1997
Filed:
May. 23, 1995
Applicant:
Inventors:
R John Collier, Wellesley Hills, MA (US);
Kevin Killeen, Milton, MA (US);
John Mekalanos, Cambridge, MA (US);
Assignee:
President and Fellows of Harvard College, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C12N / ;
U.S. Cl.
CPC ...
4241901 ; 4241921 ; 4242381 ; 424 932 ; 424832 ; 4351723 ; 435 691 ; 435 697 ; 435194 ; 4352523 ; 43525231 ; 43525232 ; 43525233 ; 43525411 ; 4353201 ;
Abstract
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 are deleted from the DNA.