Patent · US Expired

Selective aromatics isomerization process

US7371913B2 · kind B2 · utility

8Cited by
16References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 30, 2005
Grant dateMay 13, 2008
Priority date
Expiry dateMay 13, 2026

Classification

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

Abstract

A process for isomerizing xylenes while retaining ethylbenzene in a C8-aromatics stream in liquid phase uses a gallium-substituted pentasil zeolite in the absence of hydrogen.

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