US PATENT SUBCLASS 512 / 26
.~.~ The oxygen is part of a carbonyl group
Current as of:
June, 1999
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512 /
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PERFUME COMPOSITIONS
1
DF
PERFUME COMPOSITIONS
{8}
25
DF
.~ Oxygen containing active ingredient {1}
26
.~.~ The oxygen is part of a carbonyl group {1}
27
DF
.~.~.~
> The carbonyl is part of an aldehyde or ketone group
DEFINITION
Classification: 512/26
(under subclass 25) Compositions wherein the oxygen is part of a carbonyl group.