1. ADIPRENE is a trademark of DuPont (NCO-Prepolymer); MOCA=Methylene-bis-o-chloro-flniline=3, 3’-dichloro-4, 4’-diaminodiphenylmethane
2. BE Appi. P 663 102 (Wyandotte Chem. Corp. 27.4.64); DAS 1 097 678 (DuPont; US Prior. 30.6.53; 28.6.54/19.1.61)
3. Dieterich D, Reiff H (1972) Angew Makromolekulare Chemie 26:85
4. Will G, DAS 1 444172 (4.5.62/2.10.69)
5. Will G, DAS 1150 524 (30.7.58/20.6.63 not for man-made leather)