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:
Mar. 29, 2016
Filed:
Oct. 28, 2008
Applicants:
Reingard Grabherr, Pressbaum, AT;
Irene Pfaffenzeller, Vienna, AT;
Inventors:
Reingard Grabherr, Pressbaum, AT;
Irene Pfaffenzeller, Vienna, AT;
Assignee:
BOEHRINGER INGELHEIM RCV GMBH & CO KG, Vienna, AT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12N 1/20 (2006.01); C12P 19/34 (2006.01); C12N 15/70 (2006.01);
U.S. Cl.
CPC ...
C12N 15/70 (2013.01);
Abstract
A host-vector system that uses the RNA-based copy number control mechanism of ColE1-type plasmids for regulating the expression of a marker gene allows for antibiotic-free selection of plasmids and is useful for production of plasmid DNA and recombinant proteins.