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US 6,274,673 B1Granted
Hardeners for epoxy resins
AssigneeVantico Inc.
InventorsMartin Roth, Qian Tang, Sameer Hosam Eldin
Life of this patent
Estimating the term…
Abstract
Reaction products of a microgel that contains carboxylic acid groups with a nitrogen-containing base have a high latency and high stability towards mechanical influences and are suitable as hardeners for one-component epoxy resin systems.
Claims7
A composition comprising
- (a) an epoxy resin having on average more than one 1,2-epoxide group per molecule, and
- (b) a reaction product of a microgel that contains carboxylic acid groups with a nitrogen-containing base, which reaction product is in the form of a solid powder.
Dependencies are inferred from the claim text.