Patent · US Expired

Aromatics alkylation

US5900520A · kind A · utility

12Cited by
16References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1995
Grant dateMay 4, 1999
Priority date
Expiry dateJan 23, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2529/70
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a paraffin alkylating agent under alkylation reaction conditions in the presence of catalyst comprising synthetic porous crystalline material characterized by an X-ray diffraction pattern including interplanar d-spacings at 12.36.+-.0.4, 11.03.+-.0.2, 8.83.+-.0.14, 6.18.+-.0.12, 6.00.+-.0.10, 4.06.+-.0.07, 3.91.+-.0.07, and 3.42.+-.0.06 Angstroms.

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