Use of hydroxyphenylurethanes for stabilising elastomers

Details Use of hydroxyphenylurethanes for stabilising elastomers Use of hydroxyphenylurethanes for stabilising elastomers

1975-04-03

1976-03-09

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260808, 260471C, C08J 320

Patent

active

039430960

ABSTRACT:
The use of compounds of the formula I ##SPC1##
wherein R.sub.1 denotes alkyl with 3 or 4 carbon atoms, R.sub.2 denotes alkyl with 1 - 4 carbon atoms, R.sub.3 denotes hydrogen or methyl, n denotes 1 or 2 and R.sub.4, if n is 1, denotes alkyl with 8 - 14 carbon atoms, cycloalkyl with 5 or 6 carbon atoms, benzyl, phenyl, phenyl substituted by 1 to 2 alkyl groups and/or alkoxy groups each with 1 - 8 carbon atoms, phenylthioalkyl with 8- 9 carbon atoms or aradical of the formula

REFERENCES:
patent: 2135641 (1938-11-01), Jacobson
patent: 3081335 (1963-03-01), Morris et al.
patent: 3303211 (1967-02-01), Peterson et al.
patent: 3318842 (1967-05-01), Blachere et al.
patent: 3511804 (1970-05-01), Duennenberger et al.
patent: 3657314 (1972-04-01), Kliener
patent: 3850878 (1974-11-01), Murtha et al.
patent: 3865761 (1975-02-01), Schnabel

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