Storage stable solutions of optical brighteners

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United States of America Patent

PATENT NO 8894815
SERIAL NO

12746024

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Abstract

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The instant invention relates to storage stable solutions of optical brighteners based on certain salt forms of anilino-substituted bistriazinyl derivatives of 4,4′-diaminostilbene-2,2′-disulphonic acid and of organic acids which do not need extra solubilizing additives.

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Patent Owner(s)

Patent OwnerAddress
ARCHROMA IP GMBHNEUHOFSTRASSE 11 REINACH CH-4153

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Farrar, John Martin Leeds, GB 9 84
Jackson, Andrew Clive Münchenstein, CH 27 125
Mahon, Margaret West Yorkshire, GB 2 8
Oberholzer, Martin Witterswil, CH 5 12

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