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:
Aug. 24, 1993
Filed:
Oct. 13, 1989
Applicant:
Inventor:
Randal J Kaufman, Boston, MA (US);
Assignee:
Genetics Institute, Inc., Cambridge, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12P / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 691 ; 4351723 ; 4352402 ; 4353201 ;
Abstract
A transformation vector containing a heterologous product gene and two or more different heterologous selectable amplifiable marker genes is described. Preferably, the marker genes form a polycistronic transcription unit. Also described is a method for obtaining high level expression of a desired protein by culturing eukaryotic cells containing the vectors of the invention.