Patent · US Expired

Method for producing acrolein and/or acrylic acid

US7321058B2 · kind B2 · utility

11Cited by
26References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2001
Grant dateJan 22, 2008
Priority date
Expiry dateJun 13, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Acrolein and/or acrylic acid are prepared from propane and/or propene by a process comprising the following steps: (a) separation of propane and/or propene from a propane- and/or propene-containing gas mixture by absorption in an absorbent, (b) separation of the propane and/or propene from the absorbent to give a gas B and (c) use of the gas B obtained in stage (b) for an oxidation of propane and/or propene to acrolein and/or acrylic acid, no heterogeneously catalyzed dehydrogenation of propane without supply of oxygen being carried out between steps (b) and (c).

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