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Polyureas made from aminocrotonates and enaminones

Patent image
NRL

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.

Inventors: 
Verborgt, Jozef; Webb, Arthur A.
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2009-05-13
Grant Date: 
2014-04-29
Grant time: 
1,812 days
Grant time percentile rank: 
33
Claim count percentile rank: 
4
Citations percentile rank: 
2
'Cited by' percentile rank: 
1
Assignee: 
US NAVY