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:
Jul. 07, 2015
Filed:
Feb. 23, 2011
Majid Jamshed Chughtai, Chester, GB;
Jacques Colange, Colombes Cedex, FR;
Denis Lebas, Petit Couronne, FR;
David Strickland, Manchester, GB;
Majid Jamshed Chughtai, Chester, GB;
Jacques Colange, Colombes Cedex, FR;
Denis Lebas, Petit Couronne, FR;
David Strickland, Manchester, GB;
Shell Oil Company, Houston, TX (US);
Abstract
The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 80% wt, a copolymer comprising one or more vinyl aromatic compounds and one or more conjugated dienes, in an amount of 0.1 to 7 % wt, and sulphur in an amount of 20 to 60% wt, all percentages based on the weight of bitumen, copolymer and sulphur. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition.