Patent · US Expired

Process for the production of urethanes

US4262130A · kind A · utility

4Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 17, 1980
Grant dateApr 14, 1981
Priority date
Expiry dateJan 17, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J27/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention relates to an improved process for the production of urethanes (carbamic acid esters) by the reaction of organic nitro compounds with carbon monoxide and organic compounds containing at least one hydroxy group in the presence of palladium and/or palladium compounds and a cocatalyst which consists of a mixture of one or more iron oxides and/or iron hydroxides and activating chloride-containing additives.

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