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:
May. 12, 2015
Filed:
Feb. 23, 2011
Majid Jamshed Chughtai, Chester, GB;
Anindya Kumar Ghosal, Bangalore, IN;
Michael David Lankshear, Amsterdam, NL;
David Strickland, Manchester, GB;
Majid Jamshed Chughtai, Chester, GB;
Anindya Kumar Ghosal, Bangalore, IN;
Michael David Lankshear, Amsterdam, NL;
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 90% wt, a carboxylic additive in an amount of from 0.25 to 5% wt, and sulphur in an amount of 5 to 75% wt, all percentages based on the weight of bitumen, carboxylic additive and sulphur, wherein the carboxylic additive is selected from carboxylic acids, carboxylic esters and carboxylic anhydrides. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition.