Improved process for the preparation of stabilized...

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 303/06 (2006.01) C08F 8/44 (2006.01) C10M 135/10 (2006.01) C10M 151/04 (2006.01) C10M 159/24 (2006.01)

Patent

CA 2477326

An improved process for making stabilized polyalkenyl sulfonic acids, whereby the product resulting from the reaction between a polyalkene and sulfur trioxide is stabilized by neutralizing with a neutralizing agent prior to storage or further processing. Neutralization at this point in the process results in polyalkenyl sulfonic acid that is stable and has a decreased amount of sultones.

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