US PATENT SUBCLASS 512 / 10
.~.~ Nitrogen in the ring
Current as of:
June, 1999
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512 /
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PERFUME COMPOSITIONS
1
DF
PERFUME COMPOSITIONS
{8}
8
DF
.~ Ring containing active ingredient {6}
10
.~.~ Nitrogen in the ring
DEFINITION
Classification: 512/10
(under subclass 8) Compositions in which the ring in the active ingredient includes a nitrogen atom as part of the ring.