Back to results
US 7,351,859 B2Granted
Heat activated tertiary amine urethane catalysts
AssigneeHuntsman Petrochemical Corporation
InventorsRobert A. Grigsby, Jr., Robert L. Zimmerman
Life of this patent
Estimating the term…
Abstract
This invention concerns a compound formed from a tertiary amine-carboxylic acid salt, where the carboxylic acid and tertiary amine are selected such that the catalyst salt is blocked at room temperature and becomes unblocked at an elevated temperature. The compound is useful as a heat activated urethane catalyst.
Claims10
A tertiary amine-carboxylic acid salt that is blocked at room temperature and becomes unblocked at an elevated temperature, wherein the tertiary amine is N,N-dimethyl-2-(2-aminoethoxy)ethanol and the carboxylic acid is oxalic acid.
Dependencies are inferred from the claim text.