Maryland's Defense Patent Database

The defense community in Maryland is an R&D powerhouse.

Use this database to see the innovative patents that are poised for commercialization.

Polyureas made from aminocrotonates

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. R3 is an aliphatic group. The polyisocyanate reactants are at least 50 mol % aromatic polyisocyanates. 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: 
2014-04-29
Grant Date: 
2015-06-09
Grant time: 
406 days
Grant time percentile rank: 
7
Claim count percentile rank: 
5
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY