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. 13, 2016
Filed:
Jul. 03, 2008
Applicants:
Roland Suck, Hamburg, DE;
Helmut Fiebig, Schwarzenbek, DE;
Oliver Cromwell, Wentorf, DE;
Inventors:
Assignee:
MERCK PATENT GMBH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C12P 21/06 (2006.01); C07K 1/00 (2006.01); C07K 14/00 (2006.01); C07K 16/00 (2006.01); C07K 17/00 (2006.01); C07K 14/415 (2006.01); A61K 38/00 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
C07K 14/415 (2013.01); A61K 38/00 (2013.01); A61K 39/00 (2013.01);
Abstract
The invention relates to a process for the preparation of hypoallergenic major birch pollen allergens by means of one or more chromatographic purification steps using essentially unbuffered aqueous bases as eluent and subsequent neutralization. The hypoallergenic major birch pollen allergens are distinguished by a lack of, but at least by reduced immunoglobulin E binding with simultaneous retention of therapeutically relevant T-cell stimulation. They can therefore be employed as low-side-effect therapeutic agents for specific immunotherapy.