Piperidine compounds a tetrahydrofuran ring for use as stabilise

Details Piperidine compounds a tetrahydrofuran ring for use as stabilise Piperidine compounds a tetrahydrofuran ring for use as stabilise

1993-09-02

1995-02-07

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C02D21132

Patent

active

053876873

ABSTRACT:
The present invention relates to novel tetramethylpiperidine compounds of the general formula (I) ##STR1## in which X and Y are e.g. a group of the formula (IIa) or (IIb) ##STR2## in which R.sub.1 and R.sub.2 are e.g. hydrogen or methyl. The said compounds are effective stabilizers for organic materials, in particular synthetic polymers, against the action of light, heat and oxidation.

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