Alkylation process

Details Alkylation process Alkylation process

1996-10-31

1998-03-31

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562475, C07C 6510

Patent

active

057340781

ABSTRACT:
A process for the production of an alkyl salicylic acid in which the alkyl substituent has at least 6 carbon atoms is disclosed, comprising reacting salicylic acid with an olefin having at least 6 carbon atoms at elevated temperature in the presence of sulphuric acid as a catalyst. Lubricating oil additives comprising a metal salt of such alkylated salicylic acids and a process for making them are also disclosed.

REFERENCES:
patent: 5415792 (1995-05-01), Campbell
patent: 5434293 (1995-07-01), Campbell et al.

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