Patent · US Expired

Process for the preparation of dodecamethylenebismelamine

US4683307A · kind A · utility

1Cited by

1References

8Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Peter Werle · Gelnhausen, DE
Holger Focke · Bruchköbel, DE
Alwin Boes · Rodenbach, DE

Key dates

Filing date	Feb 27, 1986
Grant date	Jul 28, 1987
Priority date	—
Expiry date	Feb 27, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C45/86
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for preparing dodecamethylenebismelamine (DMB) by reacting 2,4-diamino-6-chloro-1,3,5-triazine with 1,12-diaminododecane in an alkaline aqueous suspension, to which the diamine has been added in a water-miscible solvent. The product is used to stabilize aqueous formaldehyde solutions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.