Back to results
US 9,174,872 B2Granted
Sulphur cement products
AssigneeShell Oil Company
InventorsWillem Posthumus, Catherine Frances Smura, Guy Lode Magda Maria Verbist
Life of this patent
Estimating the term…
Abstract
A sulphur cement product comprising sulphur, filler, sand having a surface area of greater than 0.5 m2/g, and an organosilane having at least one amino functional group is disclosed. Further, a process for the preparation of such cement sulphur product is disclosed.
Claims6
A sulphur cement product comprising sulphur, filler, sand having a surface area of greater than 0.5 m2/g, and an organosilane having at least one amino functional group.
A process for the preparation of a sulphur cement product comprising the steps of:
- (a) admixing sulphur, filler, sand having a surface area of greater than 0.5 m2/g, and an organosilane having at least one amino functional group;
- and
- (b) solidifying the molten sulphur cement product.
Dependencies are inferred from the claim text.