Combinations of 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds and silicic acid esters and the use of same as pro-fragrances

US9321986B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Andreas Bauer · Kaarst, DE
• Ursula Huchel · Cologne, DE
• Andreas Gerigk · Erkelenz, DE
• Marc Weyhe · Krefeld, DE
• Thomas Gerke · Goldkronach, DE
• Hubert Smyrek · Krefeld, DE

Key dates

• Filing date: Jul 17, 2014
• Grant date: Apr 26, 2016
• Expiry date: Jul 17, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q19/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to combinations of 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds with silicic acid esters, methods for producing same, the use of same as pro-fragrances, as well as washing and cleaning agents, fabric softeners and cosmetics that contain same. The invention also relates to a method for prolonging the perception of fragrance in such agents.