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:
May. 08, 2001
Filed:
Apr. 30, 1998
Applicant:
Inventors:
Alex Zhu, New York, NY (US);
Jack Goldstein, New York, NY (US);
Assignee:
New York Blood Center, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/40 ; C12N 9/24 ; C12N 1/556 ; C12N 5/10 ; C12N 1/563 ;
U.S. Cl.
CPC ...
C12N 9/40 ; C12N 9/24 ; C12N 1/556 ; C12N 5/10 ; C12N 1/563 ;
Abstract
This invention relates to a recombinant enzyme for use in the removal of A antigens from the surface of cells in blood products. Specifically, this invention is directed to a recombinant &agr;-N-acetylgalactosaminidase enzyme from chicken liver, methods of cloning and expressing said recombinant &agr;-N-acetylgalactosaminidase enzyme and a method of removing A antigens from the surface of cells in blood products using said recombinant &agr;-N-acetylgalactosaminidase enzyme.