US PATENT SUBCLASS 512 / 12
.~.~.~ Plural chalcogens 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}
11
DF
.~.~ Chalcogen in the ring {2}
12
.~.~.~ Plural chalcogens in the ring
DEFINITION
Classification: 512/12
(under subclass 11) Compositions wherein the ring in the active ingredient includes two or more diverse or identical chalcogens as ring members.