Inventor
ACKERMAN MICHAEL H
US3 patents
Patents
3 patentsUS4921962AMay 1, 1990
Process for preparing N-hydrocarbyloxy derivatives of sterically hindered amines
CIBA GEIGY CORP75 citations94
US5439958AAug 8, 1995
Polyalkyl-4-piperidinol derivatives for use as stabilizers for organic materials
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US4547537AOct 15, 1985
N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers
CIBA GEIGY CORP9 citations70