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:
Feb. 12, 2013
Filed:
May. 29, 2008
Applicant:
Vera Holländer, Unna, DE;
Inventor:
Vera Holländer, Unna, DE;
Assignee:
Qiagen, GmbH, Hilden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method of stabilizing a biological sample, having the steps of preparation of a biological sample, and of contacting the biological sample with a composition, having a substance according to the following structural formula: in which R1 is a hydrogen residue or a methyl residue, R2 and R3 are identical or different hydrocarbon residues with a length of the carbon chain of 1-20, and R4 is an oxygen, sulfur or selenium residue (FIG.).