Patent · US Expired

Preparation of methyl methacrylate from methacrolein

US4638085A · kind A · utility

5Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 1984
Grant dateJan 20, 1987
Priority date
Expiry dateNov 21, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C67/39
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A catalyst which is free from alkali metal compounds and alkaline earth metal compounds, contains palladium and lead as active constituents and is supported on a carrier which contains two or more of the oxides ZnO, Al.sub.2 O.sub.3, La.sub.2 O.sub.3 and TiO.sub.2, and the use of this catalyst for the preparation of methyl methacrylate from methacrolein, methanol and oxygen.

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