Tetra-[N-alkyl-2,2,6,6,-tetramethylpiperidin-4-yl]-4,4'-diphenyl

Details Tetra-[N-alkyl-2,2,6,6,-tetramethylpiperidin-4-yl]-4,4'-diphenyl Tetra-[N-alkyl-2,2,6,6,-tetramethylpiperidin-4-yl]-4,4'-diphenyl

1994-10-14

1995-08-15

Bleutge, John C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

524102, 523451, 523506, 530213, 106176, 106218, C07F 96509

Patent

active

054420679

ABSTRACT:
Tetra-[N-alkyl-2,2,6,6-tetramethylpiperidin-4-yl]-4,4'-diphenylbisphosphoni te Abstract of the Disclosure
Novel compounds of formula I ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl, allyl or benzyl, as stabilisers for protecting organic materials from thermal, oxidative or light-induced degradation.

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patent: 4325863 (1982-04-01), Hinsken et al.
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U. Hahner, W. D. Habischer and S. Chmbla, Polym. Degrad. Stab., 41 (2) 197-203 (1992).
R. Gachter/H. Muller, Plastics & Additives Handbook 3rd Ed., p. 47 (1990).
W. D. Habicher, et al., J. Prakt. Chemie 334, 333-349 (1992).
C.A. 135099f vol. 87 (1977).

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