Horology: time measuring systems or devices – Cases – Adaptable
Patent
1981-07-16
1984-11-13
Helfin, Bernard
Horology: time measuring systems or devices
Cases
Adaptable
252522R, 426534, C07C 3303
Patent
active
044827628
ABSTRACT:
The invention is concerned with compounds of the formula: ##STR1## wherein one of the symbols R.sup.1, R.sup.2 and R.sup.3 stands for methyl or ethyl and the others stand for hydrogen and R.sup.4 signifies hydrogen or methyl, with the proviso that R.sup.4 represents hydrogen when R.sup.1 and R.sup.2 both represent hydrogen and R.sup.3 represents methyl and their use as odorants and flavorants.
REFERENCES:
patent: 3920752 (1975-11-01), Lamparsky
patent: 4122291 (1978-10-01), Kyo et al.
BjeLouss, Ber., vol. 43, (1910), 2330-2333.
Kaiser Roman
Lamparsky Dietmar
Givaudan Corporation
Helfin Bernard
Tavares Robert F.
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