English to Polish Science Chemistry; Chem Sci/Eng

Z patentu:
diisocyanates may be uretidone-modified
Example reaction to generate polyisocyanates is dimerisation (uretidone formation)

W zamieszczonym w Internecie patencie znalazłam wzór chemiczny dimeru "uretidone":
http://www.google.com/patents/US20110172359 ("(C) an isocyanate component that contains uretidone dimer residues of formula (III):")