C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 231/08 (2006.01) C07D 403/02 (2006.01) C08K 5/3435 (2006.01) C08K 5/3445 (2006.01) C08K 5/3472 (2006.01) C08L 101/00 (2006.01) C09K 15/30 (2006.01)
Patent
CA 2070193
A-18668/A/CHM 61 Stabilisation of polymeric organic materials by using synergistic mixtures comprising sterically hindered cyclic amines and derivatives of 3-pyrazolidinone or 1,2,4-triazolidine-3,5-dione. Abstract of the disclosure The present invention relates to synergistic mixtures for stabilising polymeric organic materials against light, heat and oxidation; said synergistic mixtures contain sterically hindered cyclic amines and particular derivatives of 3-pyrazolidinone or 1,2,4-triazolidine-3,5-dione. In addition, the present invention relates to some new derivatives of 3-pyrazolidinone or 1,2,4-triazolidine-3,5-dione.
Scrima Roberto
Vessa Giampiero
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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