Detergent compositions containing novel crystalline forms of opt

Details Detergent compositions containing novel crystalline forms of opt Detergent compositions containing novel crystalline forms of opt

1975-09-05

1977-01-25

Weinblatt, Mayer

Compositions

Dust suppressants for bulk materials, or processes of...

252 94, 252 98, 252 99, 252543, 260240B, C11D 328, C11D 732, C11D 734

Patent

active

040050262

ABSTRACT:
Novel crystalline needle forms of the fluorescent compounds disodium 4,4'-bis(4-anilino-6-morpholino-s-triazin-2-ylamino)-2,2'-stilbenedisulfon ate and disodium 4,4'-bis(4,6-dianilino-s-triazin-2-ylamino)-2,2'-stilbenedisulfonate, useful as optical brightening agents, particularly when incorporated into detergent compositions. The novel crystalline forms are prepared by heating the compound in an aqueous alkaline medium containing excess amine reactant.

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