Method for producing stable powder compositions

Details Method for producing stable powder compositions Method for producing stable powder compositions

A - Human Necessities

23

K

A23K 1/16 (2006.01) A23K 1/165 (2006.01) A61K 9/14 (2006.01) A61K 9/16 (2006.01) A61K 9/50 (2006.01) A61K 47/36 (2006.01) A61K 47/38 (2006.01) C08K 9/10 (2006.01) C08L 1/00 (2006.01) C12N 11/12 (2006.01)

Patent

CA 2708316

The invention relates to the use of at least one viscous compound, the viscosity of which is greater than 5 Pa.s-1to substantially prevent the degradation of a substance sensitive to temperatures of 20 °C to 100 °C and/or to pressures of 106 to 107 Pa and/or to a relative humidity of 60% to 100% contained in a powder composition, said powder composition comprising particles with: a core containing said sensitive substance and at least one viscous compounds as impregnating agent for the sensitive substance and a coating for the core, said coating containing at least one viscous compound as immobilising agent.

L'invention concerne l'utilisation d'au moins un composé visqueux, dont la viscosité est supérieure à 5 Pa.s-1, pour empêcher substantiellement la dégradation dune substance sensible à des températures de 20 °C à 100 °C et/ou à des pressions de 10 6 à 10 7 Pa et/ou à une humidité relative de 60% à 100% contenue dans une composition pulvérulente, ladite composition pulvérulente contenant des particules comprenant : un coeur contenant ladite substance sensible et au moins un composé visqueux en tant qu'agent d'imprégnation de la substance sensible et; un enrobage du coeur, lequel enrobage contient au moins un composé visqueux en tant qu'agent d'engluage.

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