A process of producing cyanoalkyl tetraalkylphosphordiamidites at least substantially free of amine hydrohalide with improved storage stability.

 
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< Use of a high structure and dispersible precipitated silica as a thickening or texturing agent in toothpaste compositions

< Dental composition based on a functionalized silicone crosslinkable and/or polymerizable by heat-process

> Composite material based on polyamide and submicronic mineral particles

> Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
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