B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/06 (2006.01) C08K 5/132 (2006.01)
Patent
CA 2117226
LAMINATED THERMOPLASTICS STABILIZED WITH BISBENZOPHENONES Abstract of the Disclosure Thermoplastic articles, preferably of polycarbonate, are advantageously stabilized by selected bisbenzophenone UV absorbers concentrated in the outer surface or coating layers of the article prepared by coextrusion techniques.
Botkin James H.
Hendricks Carmen
Suhadolnik Joseph
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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