A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 9/20 (2006.01)
Patent
CA 2533896
An improved alkali earth metal stearate composition is disclosed and is prepared by reacting a fatty acid component including at least about 80% by weight stearic acid and at least about 5% by weight palmitic acid with an alkali hydroxide to form an alkali soap. An aqueous metal salt solution is then added to the soap to form the improved alkali earth metal stearate. The improved alkali earth metal stearate includes a significant amount of the dihydrate form of the stearate.
La présente invention concerne une composition améliorée de stéarate de métal alcalino-terreux qui est préparée par réaction d'une composante acide gras comprenant au moins environ 80 % en poids d'acide stéarique et au moins environ 5 % en poids d'acide palmitique, avec un hydroxyde d'alcali, pour former un savon d'alcali. Une solution de sel métallique aqueuse est ensuite ajoutée au savon pour former le stéarate de métal alcalino-terreux amélioré. Le stéarate de métal alcalino-terreux amélioré comprend une quantité importante de stéarate sous sa forme dihydrate.
Heider Todd P.
Wolfgang Steven M.
Mallinckrodt Inc.
Osler Hoskin & Harcourt Llp
LandOfFree
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