Oblon, Spivak, McClelland, Maier & Neustadt
Polyalkylpiperidine-substituted lactams and use thereof as stabilizers for plastics
 Compound of the formula (I) ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each alkyl or R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 are together tetra- or pentamethylene and R.sup.5 is hydrogen, alkanoyl, alkyl, cyanoalkyl, hydroxyalkyl, aminoalkyl or phenylalkyl, in which the phenyl nucleus may be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or halogen, and the acid addition salts and hydrates of these compounds are useful stabilizers for organic materials, in particular plastics. 
BASF Aktiengesellschaft
C C
C07D C08K
inventional inventional
Peter Alexander Hubert
Neumann Aumueller Trauth