The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Nov. 05, 2021
Applicant:
Bridgestone Europe Nv/sa [be/be], Zaventem, BE;
Inventors:
Assignee:
Bridgestone Europe NV/SA, Zaventem, BE;
Primary Examiner:
Int. Cl.
CPC ...
C08L 17/00 (2006.01); B09B 3/40 (2022.01); C08K 7/26 (2006.01); C10B 53/07 (2006.01); B09B 101/80 (2022.01);
U.S. Cl.
CPC ...
C08L 17/00 (2013.01); B09B 3/40 (2022.01); C08K 7/26 (2013.01); C10B 53/07 (2013.01); B09B 2101/80 (2022.01); C08L 2207/24 (2013.01);
Abstract
A method for producing asphalt comprising a heat treatment step, wherein the rubber granules deriving from an end-of-life tyre granulation process are subjected to a temperature of between 80 and 300° C., for a period of time necessary in order to obtain rubber granules with a density of between 1.0 and 1.5 g/cm; and a mixing step wherein the rubber granules from the heat treatment step are mixed with stone aggregate and bitumen in order to obtain asphalt.