Patent ID: 7605287

Claim:
A process for the manufacture of polyalkylated arylalkyl sulfonic acids and their salts comprising: reacting a sulfonated aryl alkylaromatic compound of the structure below: Where R 1 , R 2 and R 3 are each separately and independently H, alkyl (branched or linear C1 to C30), (—CH 2 CH 2 O) a H, (—CH(CH 3 )CH 2 O) b H, or (—CH 2 CH 2 O) c (—CH 2 (CH 3 )CH 2 O) d H, m+n=8 to 28 a=1 to 30 b=1 to 30 c+d=2 to 30 with one or more olefin to form the polyalkylated arylalkyl sulfonic acid structure below: Where R 1 , R 2 and R 3 are each separately and independently H, alkyl (branched or linear C1 to C30), (—CH 2 CH 2 O) a H, (—CH(CH 3 )CH 2 O) b H, or (—CH 2 CH 2 O) c (—CH 2 (CH 3 )CH 2 O) d H, m+n=8 to 28 R 4 =CH 2 CH 3 , CH 2 CH 2 Y or Y(CH 2 ) p CH(CH 2 ) q Y p+q=0 to 27 a=1 to 30 b=1 to 30 c+d=2 to 30 Y=CH 3 , COOH, CH 2 OH, CH 2 (—CH 2 CH 2 O) a H, CH 2 (—CH(CH 3 )CH 2 O) b H, CH 2 (—CH 2 CH 2 O) c (—CH 2 (Ch 3 )Ch 2 O) d H, aromatic, or substituted aro{yt}matic.