Patent · US Active

Process for C8 alkylaromatic isomerization

US7525008B2 · kind B2 · utility

8Cited by
33References
15Claims
0Family size

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Inventors

Key dates

Filing dateMay 25, 2005
Grant dateApr 28, 2009
Priority date
Expiry dateJun 22, 2027

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for isomerizing ethylbenzene into xylenes such as para-xylene using a zeolitic catalyst system based on low Si/Al2 MTW-type zeolite that preferably is substantially free of mordenite. The catalyst may be bimetallic where the two metals are platinum and tin.

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