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:
Dec. 04, 2012
Filed:
Jun. 11, 2008
Guy Lode Magda Maria Verbist, Amsterdam, NL;
Rob Aloysius Maria Van Trier, Eindhoven, NL;
Michael David Lankshear, Amsterdam, NL;
Guy Lode Magda Maria Verbist, Amsterdam, NL;
Rob Aloysius Maria Van Trier, Eindhoven, NL;
Michael David Lankshear, Amsterdam, NL;
Shell Oil Company, Houston, TX (US);
Abstract
The present invention provides a sulphur cement pre-composition, comprising sulphur and at least an organotitanate, which organotitanate is of the general molecular formula (1): wherein R1 is CH—SRor CHand n is an integer in the range of from 1 to 4, m is an integer in the range of from 1 to 30 and a is an integer in the range of from 2 to 8, R4 is S, H, or CHand p is an integer in the range of from 1 to 8, XO is an alkoxy or neoalkoxy group, R2 and R3 are, independently, a CH—SR, alkyl, neoalkyl, acyl or aryl group. The invention further provides a process for preparing such sulphur cement pre-composition, processes for the preparation of a sulphur cement product, a sulphur cement product and the use of such sulphur cement pre-composition. The invention even further relates to the use of an organotitanate stabilizing agent.