Patent · US Expired

Process for the preparation of thiuram disulfides

US4459424A · kind A · utility

4Cited by

7References

9Claims

0Family size

Assignee

Akzona Incorporated · US

Inventors

Ludwig Eisenhuth · Obernburg, DE
Hans Zengel · Kleinwallstadt, DE
Manfred Bergfeld · Zell am Harmersbach, DE

Key dates

Filing date	Feb 16, 1982
Grant date	Jul 10, 1984
Priority date	—
Expiry date	Feb 16, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C333/32
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A process for the preparation of thiuram disulfides substituted with aliphatic cycloaliphatic, araliphatic, or aromatic hydrocarbon radicals, said process comprising reacting a suitably substituted secondary amine having a pK.sub.a .gtoreq.8 with carbon disulfide in a solvent and in the presence of oxygen or oxygen-containing gas, a solvent, and a metalliferous catalyst, at a temperature of between 0.degree. C. and 200.degree. C.

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