Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-05-07
1976-11-16
Milestone, Norma S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260327E, 252404, 260 458A, C07D30314
Patent
active
039924203
ABSTRACT:
New 3,5-dialkyl-4-hydroxybenzyl-oxiranes and the corresponding thiiranes are used as stabilizers for polymers. The oxiranes are prepared from the corresponding olefins by reaction with percarboxylic acids or from alkali phenoxides and epichlorohydrines. The thiiranes are prepared from the oxiranes by the usual sulfidation methods.
REFERENCES:
patent: 3526668 (1970-09-01), Starnes et al.
patent: 3717611 (1973-02-01), Baumer et al.
Brunetti Heimo
Hugi Rolf
Lind Hanns
Ciba-Geigy Corporation
Milestone Norma S.
Vanecek Charles W.
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