Compositions comprising odorless 1,2-pentanediol

US12403076B2 · kind B2 · utility

Assignee

• SYMRISE AG · DE

Inventors

• Ravikumar Pillai · Emerson, US
• Jürgen Siewert · Duderstadt, DE
• Yonahha Sander · North Duke Street, DE
• Gorsten Stephan · Holzminden, DE
• Christian Wolter · Ottenstein, DE
• Oliver Lenz · Sint-Katelijne-Waver, BE

Key dates

• Filing date: Oct 30, 2018
• Grant date: Sep 2, 2025
• Expiry date: Sep 19, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/2044
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Suggested is a cosmetic or pharmaceutical or detergent composition comprising 1,2 pentanediol, wherein said 1,2-pentanediol is obtained from a process comprising the following steps: (a) providing at least one starting material selected from furfuryl alcohol and furfural; (b) reacting at least one of said starting materials with hydrogen in the presence of a heterogeneous catalyst to form 1,2-pentanediol, wherein said heterogeneous catalyst comprises: one or more metals selected from the group consisting of platinum, rhodium, ruthenium, nickel, palladium and iridium in metallic form and/or one or more compounds of metals selected from the group consisting of platinum, rhodium, ruthenium, nickel, palladium and iridium; and one or more support materials selected from the group consisting of activated carbon, aluminum oxide, silicon dioxide, and silicon carbide; and (c) removing the 1,2-pentanediol thus obtained from the reaction mixture.