Fluorescent whitening agents, products comprising the agent and

Compositions – Organic luminescent material containing compositions – Optical brightening compositions

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25230116, 162162, 106137, 106148, 106493, 106505, 524 17, C09K 1106, D21H 1714, C08K 509, C08L10100

Patent

active

050265075

ABSTRACT:
A paper additive of high whiteness and low biological toxicity comprising a whitening amount of a compound of the formula ##STR1## wherein R is H or (C.sub.1 -C.sub.6)alkyl R' is independently H or (C.sub.1 -C.sub.6)alkyl, R" is H or NR'.sub.n, and n is 2 or 3, wherein if n=3 the compound further comprises X.sup.-, wherein X.sup.- is an anion.
A paper of high whiteness and low biological toxicity is coated or filled with the above additive, and a food product is packaged with the paper of this invention.

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