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:
Jan. 08, 1991
Filed:
Jun. 29, 1988
Applicant:
Inventors:
Walter Schaffner, Weiningen, CH;
Nils G Westin, Upsala, SE;
Assignee:
Boehringer Mannheim GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ;
U.S. Cl.
CPC ...
435 691 ; 435320 ;
Abstract
The present invention provides a eukaryotic expression vector containing a gene to be expressed and a TATA box, whereby, 1-200 bp base pair (bp) upstream (5') of the TATA box, there is a first multimeric enhancer segment and 1-100 bp below (3') the gene to be expressed there is provided a second multimeric enhancer segment. The present invention also provides a process for the preparation of this expression vector. Furthermore, the present invention is concerned with the use of this expression vector.