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. 18, 2007
Filed:
May. 22, 2001
Applicants:
Vera Holländer, Unna, DE;
Ralf Wyrich, Grevenbroich, DE;
Uwe Oelmüller, Erkrath, DE;
Inventors:
Assignee:
Qiagen GmbH, Hilden, DE;
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/68 (2006.01); C07H 21/00 (2006.01); C07H 21/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to new compositions for isolating and/or stabilising nucleic acids in materials of biological origin. The compositions comprise as an essential ingredient a cationic compound of general formulaYRRRRXwherein