Heavy Metal Or Compound Thereof Patents (Class 424/617)
- With elemental arsenic or arsenic containing compound (Class 424/621)
- Copper compound of arsenic (Class 424/622)
- Oxygen compound of arsenic (Class 424/623)
- Sodium compound of arsenic (Class 424/624)
- Manganese containing arsenic compound or with added manganese compound (Class 424/625)
- Chromium containing arsenic compound or with added chromium compound (Class 424/626)
- Lead compound of arsenic (Class 424/627)
- Calcium compound of arsenic (Class 424/628)
- With added organic compound (Class 424/629)