Patent · US Expired

Undercoating for concrete

US6875470B2 · kind B2 · utility

10Cited by

2References

19Claims

0Family size

Assignee

SIKA SCHWEIZ AG · CH

Inventors

Gerald Trabesinger · Kaltbrunn, CH
Peter Merz · Hanerau-Hademarschen, DE

Key dates

Filing date	Nov 28, 2001
Grant date	Apr 5, 2005
Priority date	—
Expiry date	Nov 28, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC04B2111/00491
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Novel undercoats for use on porous bases such as, for example, concrete are disclosed. Said undercoats contain or comprise at least one epoxy resin, at least one latent hardener and at least one solvent. The above are characterize in being easy to produce, contain no isocyanate groups and form a good ageing-resistant adhesion, in particular, with single component isocyanate-free sealants, cross-linked by means of silane groups.

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