Atochem North America, Inc.

Elf Atochem North America, Inc.

John F Kennoy

Stanley R Sandler

James S Perilli

William J Tuszynski

Paul J McElligott, Jr

A method for the preparation of alkanesulfonamides in high purity and high yield using solvents selected from C.sub.3 to C.sub.8 cyclic ethers or mixtures thereof is disclosed. The final products have use as synthetic intermediates for the manufacture of useful final products.

Preparation of alkanesulfonamides

A process for dissolving wax, paraffin and/or sulfur deposits in an oil or gas pipeline or well comprises providing at the site of the deposit an acid and a compound which liberates carbon disulfide upon contact with the acid, whereby the deposit is dissolved by the liberated carbon disulfide.

Method for dewaxing oil and gas pipelines or wells

A method for the preparation of alkanesulfonamides in high purity and high yield using solvents selected from C.sub.4 to C.sub.8 cyclic ethers or mixtures thereof is disclosed. The final products have use as synthetic intermediates for the manufacture of useful final products.

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Horsham, PA, United States of America

John F Kennoy