Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2007-04-03
2007-04-03
Niland, Patrick D. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C252S380000, C252S397000, C252S399000, C252S400200, C252S400240, C252S401000, C252S404000, C252S405000, C252S407000, C524S099000, C524S102000, C524S110000, C524S126000, C524S128000, C524S287000, C524S290000, C524S323000, C524S284000, C524S288000, C524S299000, C524S316000
Reexamination Certificate
active
10497533
ABSTRACT:
A stabilizer composition is described and comprises a 2-cyano-3,3-diarylacrylate, a sterically hindered monomeric amine, a sterically hindered phenol and, where appropriate, a chromane derivative and/or an organic phosphite and/or phosphonite. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.
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S.M. Andrews, et al. “Stabilization strategies for weatherable PU”, Rubber World, vol. 216, No. 1, pp. 22-24 XP009008916 1997.
Appel Manfred
Heidenfelder Thomas
BASF - Aktiengesellschaft
Niland Patrick D.
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