The present invention relates to depot preparations for the targeted release of an aldehyde together with two carboxylic acids, where the released aldehydes are organoleptic substances, specifically fragrances or flavorings, and these depot preparations are prepared by reacting aldehydes with carboxylic anhydrides.
Lubricant for powder metallurgy, powdery mixture for powder metallurgy, and process for producing sinter
申请人:Suzuki Hironori
公开号:US20070154340A1
公开(公告)日:2007-07-05
A lubricant for powder metallurgy which includes a polyhydroxycarboxylic acid amide. The lubricant improves both flowability and lubricity, irrespective of a presence or absence of any complicated pretreatment step.