Beta-naphthol ether sulfonates, processes for preparing them and use thereof as brightness improvers

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United States of America Patent

PATENT NO 10611725
SERIAL NO

15575828

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Abstract

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The present invention relates to beta-naphthol ether sulfonic acids or salts thereof having the general formula (I) R—O-(AO)n—CH2—CH2—S(O)3M (I), where R, AO, n and M have the definitions stated in the claims and in the description, to mixtures thereof, to aqueous solutions and to electrolytes comprising them, to processes for preparing them and to the use of these.

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Patent Owner(s)

Patent OwnerAddress
BASF SECARL-BOSCH-STRASSE 38 LUDWIGSHAFEN AM RHEIN 67056

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koehler, Silke Annika Mannheim, DE 10 139
Lorenz, Michael Ludwigshafen, DE 34 109
Maitro-Vogel, Sophie Mannheim, DE 21 99
Urban, Tobias Bensheim, DE 16 66

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