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:
Nov. 30, 1976
Filed:
Apr. 30, 1975
Applicant:
Inventor:
Jorgen Martin Schou, Vanlose, DK;
Assignee:
A/S N. Foss Electric, Hillerod, DK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; C07D / ;
U.S. Cl.
CPC ...
2323 / ; 2323 / ; 2602 / ;
Abstract
A test sample containing L-lysine in proteinaceous substances is reacted with a .gamma.-formyl-pyridine reagent of the general formula ##SPC1## Wherein R.sup.1 and R.sup.2 are each aliphatic carbon groups having not more than 4 carbon atoms or forming with two adjacent carbon atoms in the pyridine ring aromatic rings, in order to form the corresponding Schiff base, and the amount of reacted pyridine reagent is determined.