Title:
SELECTIVE PREPARATION OF ORGANIC TRISULFIDE
Document Type and Number:
Japanese Patent JPH05194372
Kind Code:
A
Abstract:
PURPOSE: To provide a method to produce substantially pure organic trisulfides from mercaptan and sulfur (or high rank organopolysulfide).
CONSTITUTION: Sulfur (or high rank organopolysulfide) and mercaptan are reacted with each other in the presence of a heterogeneous alumina-based catalyst, alkali metal or alkaline earth metal modified silica-based catalyst, zinc- based catalyst or mixtures thereof, and recovering a product containing at least a major proportion of trisulfides.
Inventors:
EMANIYUERU FUERIKUSU ARE
GUREN TOOMASU KARORU
ROJIYAA TOOMASU KURAAKU
GUREN TOOMASU KARORU
ROJIYAA TOOMASU KURAAKU
Application Number:
JP24407992A
Publication Date:
August 03, 1993
Filing Date:
August 21, 1992
Export Citation:
Assignee:
ATOCHEM NORTH AMERICA ELF
International Classes:
C07C319/24; C07C323/64; C07C319/22; C07C321/14; (IPC1-7): C07C319/22; C07C319/24; C07C323/64
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)
Previous Patent: JPS5194371
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