US Patent Class 71
CHEMISTRY: FERTILIZERS-- Main Headings
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| CLASS NOTES | ||
| 1 | DF | PROCESSES AND PRODUCTS {5} |
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| CROSS-REFERENCE ART COLLECTIONS | ||
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| 900 | DF | FOAMS |
| 901 | DF | REFUSE CONDITIONING |
| 902 | DF | NITRIFICATION INHIBITION |
| 903 | DF | SOIL CONDITIONER |
| 904 | DF | CARRIER |
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| DIGESTS | ||
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| DIG 1 | DF | Adjuvant (e.g., carrier, particle size, etc.) |
| DIG 2 | DF | Chelating agent |
| DIG 3 | DF | Defluorination |
| DIG 4 | DF | ANTI-CORROSION |