Patent · US Active

Granules comprising bitumen and a thermoplastic polyurethane elastomer, method for its preparation and its uses

US9587113B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

SOPREMA · FR

Inventors

Henri Sautel · Val-de-Reuil, FR
Pierre Etienne Bindschedler · Strasbourg, FR
Remi Perrin · Strasbourg, FR

Key dates

Filing date	Oct 31, 2014
Grant date	Mar 7, 2017
Priority date	—
Expiry date	Apr 30, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2555/80
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed are granules comprising an elastomeric polyurethane and bitumen, processes for preparing the granules in an extruder and to their use for preparing a bituminous binder, which may especially be used for producing prefabricated sealing membranes by depositing said bituminous binder onto a fibrous support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.