Patent · US Expired

Process for preparing tetramethylthiuram tetrasulfide

US4066697A · kind A · utility

1Cited by
2References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 28, 1976
Grant dateJan 3, 1978
Priority date
Expiry dateJun 28, 1996

Classification

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

Abstract

Tetramethylthiuram tetrasulfide can be prepared in high yields by oxidation of an aqueous solution of dimethylammonium dimethyldithiocarbamate in the presence of carbon disulfide and sulfur. The process is essentially pollution free.

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