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US 8,785,694 B2Granted
Processes for the preparation of di-(2-aminoethyl) formal, di-(3-aminopropyl) formal, and related molecules
AssigneeConnora Technologies, Inc.
InventorStefan J. Pastine
Life of this patent
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Abstract
Disclosed herein are hardeners for use in making cleavable epoxy compositions, including compositions wherein components in contact with epoxy composition can be recovered, as well as methods of making such hardeners.
Claims22
A process of chemical synthesis for the preparation of di-(3-aminopropyl) formal acetal X:
- said process comprising catalytic hydrogenation of a compound of formula
- to produce the di-(3-aminopropyl) formal acetal X.
Dependencies are inferred from the claim text.