Method for the crystallization of 2-(4-N,N-diethyl Amino-2-hydroxy-benzoyl)-benzoic acid-n-hexyl ester
AssigneeBASF SE
InventorsSamantha Champ, Manfred Hetterich, Günther Gottwald
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Abstract
The present invention relates to a method for the crystallization of n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate, to a method for the production of pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)-benzoate and to specific pourable or flowable particles of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate.
Claims7
1-11. (canceled)
A pourable or flowable particle of crystalline n-hexyl 2-(4-N,N-diethylamino-2-hydroxybenzoyl)benzoate with an average particle diameter of from 0.1 to 5 mm, a bulk density greater than 0.35 g/ml and a purity of at least 98% by weight.
Dependencies are inferred from the claim text.