C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
402/187, 400/504
C07C 69/73 (2006.01) C08G 63/54 (2006.01) C08G 63/676 (2006.01) C08G 63/91 (2006.01) C08K 5/12 (2006.01) C08L 69/00 (2006.01)
Patent
CA 1276170
BENZYLIDENEMALONIC OR VINYLOGOUS BENZYLIDENEMALONIC ACID POLYESTERS, THEIR PREPARATION AND THEIR USE FOR THE UV STABILIZATION OF THERMOPLASTICS ABSTRACT OF DISCLOSURE The present invention relates to new benzyli- dene-malonic or vinylogous benzylidenemalonic acid polyesters containing structural units of the formula (I) Image (I) their preparation and their use for the UV stabilization of thermoplastics, preferably aromatic polycarbonates, aromatic polyesters or polymethylmethacrylates.
464780
Lachmann Burkhard
Loewer Hartmut
Muller Peter Rolf
Preuss Reinhard
Scholl Thomas
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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