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:
Oct. 13, 1998
Filed:
Nov. 01, 1995
Applicant:
Inventors:
Yue Huang, Vaudreuil, CA;
Costas N Karatzas, Beaconsfield, CA;
Anthoula Lazaris-Karatzas, Beaconsfield, CA;
Annick Delaquis, St-Constant, CA;
Assignee:
Nexia Biotechnologies, Inc., Quebec, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 232 ; 536 237 ;
Abstract
Disclosed are a cloned cDNA and a cloned genomic DNA, both encoding a .beta.-galactosidase polypeptide from Aspergillus niger. Also disclosed are .beta.-galactosidase expression vectors, transformed host cells that overexpress recombinant A. niger .beta.-galactosidase, and A. niger host cell strains with disrupted endogenous .beta.-galactosidase genes. Also disclosed are transgenic non-human mammals that express A. niger .beta.-galactosidase.