Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1974-10-10
1976-07-06
Hoke, V. P.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
252401, 260814, 526 41, 526335, C08J 600
Patent
active
039680800
ABSTRACT:
Dialkyl-p-phenylenediamine composition comprising first component of symmetrical N,N'-di(sec-hexyl)-p-phenylenediamine in less than 50% by weight of the total composition, second component of unsymmetrical N-(sec-hexyl)-N'-(sec-alkyl)-p-phenylenediamine having 7 or 8 carbon atoms in said sec-alkyl in amount greater than the first component and third component of symmetrical N,N'-di(sec-alkyl)-p-phenylenediamine having 7 or 8 carbon atoms in each alkyl group useful for preservation of organic materials.
REFERENCES:
patent: 3419639 (1968-12-01), Gentile
patent: 3427281 (1969-02-01), Young et al.
Merten Helmut Ludwig
Wilder Gene Ray
Hoke V. P.
Monsanto Company
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