Patent · US Expired

Treatment of methacrolein-containing gases

US4191710A · kind A · utility

1Cited by
4References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 6, 1977
Grant dateMar 4, 1980
Priority date
Expiry dateSep 6, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/783
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Water is removed from the methacrolein-containing effluent produced by the catalytic oxidation of isobutylene or tertiary butyl alcohol by quenching the effluent in water in a plurality of quenching steps under graduated increasing pressure.

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