C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 229/52 (2006.01) A61K 8/44 (2006.01) A61K 31/24 (2006.01) A61P 17/00 (2006.01) A61Q 17/04 (2006.01) C07C 227/42 (2006.01)
Patent
CA 2683483
The present invention relates to a method for the crystallization of 2-(4-N,N-diethyl amino-2-hydroxy benzoyl)-benzoic acid-n-hexyl ester, a method for the production of free-flowing or pourable particles of crystalline 2-(4-N,N-diethyl amino-2-hydroxy benzoyl)-benzoic acid-n-hexyl ester and certain free-flowing or pourable particles of crystalline 2-(4-N,N-diethyl amino-2-hydroxy benzoyl)-benzoic acid-n-hexyl ester.
La présente invention concerne un procédé de cristallisation de l'ester n-hexylique de l'acide 2-(4-N,N-diéthylamino-2-hydroxybenzoyl)-benzoïque, un procédé de fabrication de particules fluides ou versables de l'ester n-hexylique de l'acide 2-(4-N,N-diéthylamino-2-hydroxybenzoyl)-benzoïque cristallin et des particules fluides ou versables déterminées de l'ester n-hexylique de l'acide 2-(4-N,N-diéthylamino-2-hydroxybenzoyl)-benzoïque cristallin.
Champ Samantha
Gottwald Guenther
Hetterich Manfred
Basf Se
Robic
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