C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/129, 8/93.23
C08G 18/38 (2006.01) C07C 275/62 (2006.01) D06M 15/576 (2006.01)
Patent
CA 2032813
Polyfluoro organic compound having at least one urea linkage derived from: (1) at least one polyisocyanate containing at least three isocyanate groups, (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms each of which contains at least two fluorine atoms, and (3) water in an amount sufficient to to react with from about 5% to about 60% of the isocyanate groups.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
Kirchner Jack R.
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