C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/514.4, 260/5
C07C 51/43 (2006.01) C07C 51/42 (2006.01) C07C 51/487 (2006.01) C07C 59/68 (2006.01)
Patent
CA 1323039
PRECIS DE LA DIVULGATION: L'invention concerne un procédé de purification de l'acide D-hydroxyphénoxypropionique à partir de son milieu de préparation contenant des sels minéraux et des impuretés organiques diverses. Ce procédé consiste à cristalliser l'acide D-hydroxyphénoxypropionique par refroidissement et à laver par élution des cristaux d'acide D-hydroxyphénoxypro- pionique ainsi obtenus.
606124
Moyne Jose
Rhone-Poulenc Chimie
Robic
LandOfFree
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