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:
Sep. 12, 2006
Filed:
Feb. 28, 2002
Jürgen Hescheler, Köln, DE;
Jürgen Hescheler, Köln, DE;
Axiogenesis AG, , DE;
Abstract
The present invention related to non-human mammal embryonic stem (ES) cells stably transfected with a DNA construct comprising a DNA sequence coding for a non-cell damaging fluorescent protein and a cell- and/or development-dependent promoter operably linked with said DNA sequence; a method for preparing such ES cells; a cell culture obtainable by culturing said ES cells; a method for the toxicological examination of substances using such cell cultures; a method for producing transgenic non-human mammals using said ES cells; a transgenic non-human mammal obtainable by said method; and a method for examining stages of cellular development using cells of such a non-human mammal.