Patent · US Active

Cement and calcium sulfate based binder composition

US9815740B2 · kind B2 · utility

0Cited by

53References

23Claims

0Family size

Assignee

BASF SE

Inventors

Oliver MAZANEC · Rosenheim, DE
Sebastian Seufert · Trostberg, DE
Joachim DENGLER · Trostberg, DE
Torben GAEDT · Trostberg, DE

Key dates

Filing date	Apr 1, 2015
Grant date	Nov 14, 2017
Priority date	—
Expiry date	Apr 1, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/62
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention concerns a composition containing a) 2 to 80 weight % of Ordinary Portland Cement with respect to the total weight of the composition b) 2 to 80 weight % of a calcium sulfate based binder with respect to the total weight of the composition, with the proviso that the weight ratio of a) Ordinary Portland Cement to b) calcium sulfate based binder is from 95/5 to 5/95 and c) at least one retarder for calcium sulfate based binders, the retarder being a chemical structure, which comprises from 3 to 70 amino acids. Also concerned is the use of the compositions for self-levelling underlayments, tile adhesives, non-shrink grouts, floor screeds and repair mortars.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.