C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 13/02 (2006.01) C08K 3/22 (2006.01) C08K 3/26 (2006.01) C08K 5/13 (2006.01) C08K 5/3492 (2006.01) C08K 5/521 (2006.01) C08K 5/524 (2006.01) C08K 5/5393 (2006.01) C08L 23/02 (2006.01) C08L 101/00 (2006.01) C08L 25/06 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2143858
Recycled mixtures of plastics, predominantly thermoplastics, as predominantly produced in the household, in commerce and also in industry and useful material collections, can be stabilized against thermooxidative degradation by adding a combination of a sterically hindered phenol with an organic phosphite or phosphonite and an inorganic compound from the series consisting of metal oxides, hydroxides and carbonates.
Herbst Heinz
Hoffmann Kurt
Pfaendner Rudolf
Sander Hans Jurgen
Sitek Franciszek
Ag Ciba-Geigy
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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