C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/2012, 400/30
C08G 18/63 (2006.01) C08G 18/10 (2006.01) C08G 18/28 (2006.01) C08G 18/62 (2006.01)
Patent
CA 1339613
The present invention relates to novel, substantially linear poly-vinylarenes/polyurethane block copolymers (PVA/PUR block copolymers) produced by reacting 1) difunctional and optionally monofunctional poly-vinylarenes, which were produced by anionic polymerization and have groups which are reactive towards isocyanate groups, with 2) diisocyanates or isocyanate prepolymers and 3) higher molecular diols or optionally 4) lower molecular difunctional chain extenders,
553562
Franke Joachim
Haas Peter
Meurer Kurt Peter
Witte Josef
Aktiengesellschaft Bayer
Franke Joachim
Haas Peter
Meurer Kurt Peter
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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