US PATENT SUBCLASS 424 / 621
.~.~.~ With elemental arsenic or arsenic containing compound
Current as of:
June, 1999
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424 /
HD
DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS
600
DF
INORGANIC ACTIVE INGREDIENT CONTAINING
{20}
617
DF
.~ Heavy metal or compound thereof {14}
620
DF
.~.~ Arsenic {9}
621
.~.~.~ With elemental arsenic or arsenic containing compound
DEFINITION
Classification: 424/621
With elemental arsenic or arsenic containing compound:
(under subclass 620) Compositions which contain elemental arsenic or an inorganic arsenic compound and an organic compound which contains arsenic.
(1) Note. Example: Paris Green, etc.