C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2027
C08F 297/02 (2006.01) C08F 297/00 (2006.01)
Patent
CA 1221785
A B S T R A C T PRESS FOR THE PREPARATION OF BLOCK COPOLYMERS Block copolymers are prepared by using two successive and different catalytic processes, a Ziegler-Natta type polymerization followed by an anionic polymerization.
456363
Shell Canada Limited
Smart & Biggar
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