The above alkylation method has a high alkylation agent utilization rate.

Alkylation systems and alkylation and regeneration methods are generally described herein.

A aromatic alkylation catalyst, processes for producing the catalyst, and aromatic alkylation processes employing the catalysts are disclosed.

An improved process for the alkylation of benzene in the presence of an alkylation catalyst (14, 16).

In a process for the alkylation of an aromatic compound contained in a hydrocarbon stream, the said hydrocarbon stream is treated to remove first all aromatic compounds but one and then treated to remove all olefinic compounds.

A first portion is recycled back to the alkylation reaction zone and supplied to the alkylation zone.

Ionic liquid catalyzed alkylation systems derived from existing conventional alkylation units, and ionic liquid catalyzed alkylation processes are also disclosed.

Disclosed is a method for alkylating alkyl salicylate using a solid acidic alkylation catalyst and approximately equimolar amounts of alkyl salicylate and alkylating feedstock.

Alkylation systems and methods of minimizing alkylation catalyst regeneration are described herein.

An alkylation process is described.

An aromatic alkylation catalyst is presented.

Alkylation systems and methods of minimizing alkylation catalyst regeneration are discussed herein.

An ionic liquid alkylation system derived from an existing or prior HF alkylation unit is also disclosed.

A process for the alkylation of isobutane is disclosed wherein isobutane is fed to two separate alkylation systems.

This invention concerns an alkylation process.