Patent · US Expired

Process for the production of organosilylalkyl polysulfanes

US6465672B2 · kind B2 · utility

7Cited by

15References

4Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Rudolf Michel · Alzenau, DE
Jorg Munzenberg · Hanau, DE
Werner Will · Gelnhausen, DE
Gerd Zezulka · Hanau, DE

Key dates

Filing date	Mar 1, 2001
Grant date	Oct 15, 2002
Priority date	—
Expiry date	Mar 1, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F7/1892
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a process for the production of organosilylalkyl polysulfanes by reacting an organosilylalide alkyl halide and an anhydrous or virtually anhydrous ionic sulfide and elementary sulfur, wherein the elementary sulfur and organosilylalkyl halide are suspended in a polar organic solvent and the ionic sulfide is added to this suspension.

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