Bitumen

US9796852B2 · kind B2 · utility

Assignee

• S.A. Imperbel N.V. · BE

Inventors

• Caroline Martin · Zuun, BE
• Placido Caruso · Chaumont-Gistoux, BE
• Hans Aerts · Lot, BE

Key dates

• Filing date: Jul 3, 2014
• Grant date: Oct 24, 2017
• Expiry date: Jul 4, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2555/86
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A bitumen having the properties of a Newtonian liquid is a mixture of a first oil pitch made of particles of soot and saturated oils and a second oil pitch made of aromatic oils and resins, characterized in that the first oil pitch has saturated oils at a content of at least 10% in wet weight and the second oil pitch has aromatic oils at a content of at least 10% in wet weight.