C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/455, 260/245
C07D 295/02 (2006.01) C07D 295/215 (2006.01) C08G 18/80 (2006.01)
Patent
CA 1071197
Abstract: A process for the preparation of blocked poly- isocyanate powders consisting of reacting the polyisocyanate and blocking agent in solution in the presence of a surfactant, whereby the product precipitates in extremely finely divided form.
234361
E.i. Du Pont de Nemours And Company
Na
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