Patent · US Active

Curable compositions based on epoxy resins without benzyl alcohol

US9676898B2 · kind B2 · utility

1Cited by

8References

19Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Martina Ortelt · Flein, DE
Emmanouil Spyrou · Schermbeck, DE
Jan Christoph Pfeffer · Hanau, DE
Dirk Fuchsmann · Haltern am See, DE
Britta Kohlstruk · Gladbeck, DE
Thomas Haas · Munster, DE

Key dates

Filing date	Aug 21, 2013
Grant date	Jun 13, 2017
Priority date	—
Expiry date	Nov 28, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31529
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to curable compositions comprising at least one epoxy resin and at least one hardener wherein the hardener is a compound of formula (I) or (II)where R1 and R2 are each independently selected from the group of substituents having the formula —(CH2)x—NH2 and x is in each case independently 0, 1, 2, 3 or 4, to surfaces comprising such compositions, to methods comprising applying a coating material comprising such compositions and to the use of such compositions as surface protection.

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