2,2,6,6-Tetramethyl-4-piperidyl carbonic acid esters of dihydric

Details 2,2,6,6-Tetramethyl-4-piperidyl carbonic acid esters of dihydric 2,2,6,6-Tetramethyl-4-piperidyl carbonic acid esters of dihydric

1977-05-05

1978-09-19

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 4589NP, 260 458NZ, 26029363, 26029364, 26029366, C07D40112, C08K 534, C08K 535

Patent

active

041154762

ABSTRACT:
2,2,6,6-Tetramethyl-4-piperidyl carbonic acid esters of dihydric alcohols and phenols are provided, useful as stabilizers for organic polymeric materials, and having the general formula: ##STR1## wherein: R.sub.1 and R.sub.2 are selected from the group consisting of ##STR2## the R.sub.1 and R.sub.2 groups can be the same or different; R.sub.3 is selected from the group consisting of hydrogen and O;

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Cotter et al., Chemistry and Industry (London), No. 19, 1965, pp. 791-793.

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