Patent ID: 11918671
Assignee: HENKEL AG & CO. KGAA
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 4:
5. The method of claim 1, wherein the agent (B1) comprises, as the at least one reactive carbonyl compound, 4-formyl-1-methylquinolinium-p-toluenesulfonate and at least one of 3,4-dihydroxy-5-methoxybenzaldehyde, 2-chloro-3,4-dihydroxybenzaldehyde, 2-bromo-3,4-dihydroxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 2,3-dihydro- 1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole-4-carboxaldehyde, and 2,4-dimethoxy-benzaldehyde.