Back to results
US 8,710,170 B2Granted
Polyureas made from aminocrotonates and enaminones
AssigneeThe United States of Americas as represented by the Secretary of the Navy
InventorsJozef Verborgt, Arthur A Webb
Life of this patent
Estimating the term…
Abstract
A polymer made by reacting a polyisocyanate with a compound having the formula below. R1 is an organic group. R2 is an aliphatic group or oxyaliphatic group. R3 is an aliphatic group. The reaction forms urea groups from the isocyanate groups of the polyisocyanate and the NH groups of the compound.
Claims13
A polymer made by:
- reacting a polyisocyanate with a compound having the formula:
- wherein R1 is an organic group;
- wherein R2 is an aliphatic group;
- wherein R3 is an aliphatic group;
- and
- wherein the reaction forms urea groups from the isocyanate groups of the polyisocyanate and the NH groups of the compound.
3 more elements
A method comprising:
- reacting a polyisocyanate with a compound having the formula:
- wherein R1 is an organic group;
- wherein R2 is an aliphatic group;
- wherein R3 is an aliphatic group;
- and
- wherein the reaction forms urea groups from the isocyanate groups of the polyisocyanate and the NH groups of the compound.
3 more elements
Dependencies are inferred from the claim text.