US Patent Class 71
CHEMISTRY: FERTILIZERS
 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 |
| DF | CLASS NOTES | |
| 1 | DF | PROCESSES AND PRODUCTS |
| 5 | DF | .~ For mushrooms |
| 6 | DF | .~ Bacterial |
| 7 | DF | .~.~ Nitrogen fixing or nitrifying |
| 8 | DF | .~.~ Fermentation |
| 9 | DF | .~.~.~ Aerobic |
| 10 | DF | .~.~.~ Anaerobic |
| 11 | DF | .~ Organic material-containing |
| 12 | DF | .~.~ From sewage or night soil |
| 13 | DF | .~.~.~ With other organic material |
| 14 | DF | .~.~ From garbage |
| 15 | DF | .~.~ From animal matter |
| 16 | DF | .~.~.~ Marine animals |
| 17 | DF | .~.~.~ Blood |
| 18 | DF | .~.~.~ Horn, hair, feathers, wool, leather, etc. |
| 19 | DF | .~.~.~ Bone |
| 20 | DF | .~.~.~.~ With other organic matter |
| 21 | DF | .~.~.~ Guano, stable manure, etc. |
| 22 | DF | .~.~.~ With other organic material |
| 23 | DF | .~.~ From vegetation |
| 24 | DF | .~.~.~ Peat, humus material, coal, etc. |
| 25 | DF | .~.~ From industrial wastes |
| 26 | DF | .~.~.~ Sugar or distillery |
| 27 | DF | .~.~ From synthetic material |
| 28 | DF | .~.~.~ Urea and its derivatives |
| 29 | DF | .~.~.~.~ With phosphorus-containing substances |
| 30 | DF | .~.~.~.~ With nitrogen-containing substances |
| 31 | DF | .~ Inorganic material |
| 32 | DF | .~.~ Phosphorus-containing |
| 33 | DF | .~.~.~ Phosphates |
| 34 | DF | .~.~.~.~ Alkali metal and ammonium only |
| 35 | DF | .~.~.~.~.~ Nitrogen-containing |
| 36 | DF | .~.~.~.~.~ Alkali metal- and ammonium-containing |
| 37 | DF | .~.~.~.~ Acid treatment |
| 38 | DF | .~.~.~.~.~ Gaseous |
| 39 | DF | .~.~.~.~.~ Nitric and hydrochloric |
| 40 | DF | .~.~.~.~.~ Sulfuric acid |
| 41 | DF | .~.~.~.~.~ Acids of phosphorus |
| 42 | DF | .~.~.~.~ Alkaline treatment |
| 43 | DF | .~.~.~.~ Neutralization |
| 44 | DF | .~.~.~.~ Heat-treatment |
| 45 | DF | .~.~.~.~.~ Alkali metal and silicon values |
| 46 | DF | .~.~.~.~.~ Alkali metal values |
| 47 | DF | .~.~.~.~.~ Carbonates, oxides, sulfates, silicon, and halides |
| 48 | DF | .~.~.~.~ Products |
| 49 | DF | .~.~.~.~.~ Nitrogen-containing |
| 50 | DF | .~.~.~.~.~.~ Nitrates |
| 51 | DF | .~.~.~.~.~ Alkali metal- and ammonium-containing |
| 52 | DF | .~.~.~.~.~ Silicon-containing |
| 53 | DF | .~.~.~.~.~ Containing carbonates, oxides, sulfates, or halides |
| 54 | DF | .~.~ Nitrogen-containing (except ammonium) |
| 55 | DF | .~.~.~ Cyanamide |
| 56 | DF | .~.~.~.~ Nitrogen-containing (except ammonium) |
| 57 | DF | .~.~.~.~ Alkali metal or ammonium-containing |
| 58 | DF | .~.~.~ Nitrates |
| 59 | DF | .~.~.~.~ With alkali metal or ammonium compound |
| 60 | DF | .~.~.~.~ With carbonates, oxides, sulfates, or halides |
| 61 | DF | .~.~ Alkali metal or ammonium |
| 62 | DF | .~.~ Silicon-containing |
| 63 | DF | .~.~ Carbonates, oxides, sulfates, halides, etc. |
| 64.01 | DF | .~ Forms or conditioning |
| 64.02 | DF | .~.~ Coating and granulating |
| 64.03 | DF | .~.~ Granulating |
| 64.04 | DF | .~.~.~ By comminuting |
| 64.05 | DF | .~.~.~ By agglomerating |
| 64.06 | DF | .~.~.~ By fluid contact |
| 64.07 | DF | .~.~ Coating |
| 64.08 | DF | .~.~ Slurry or suspension |
| 64.09 | DF | .~.~ Gel |
| 64.1 | DF | .~.~ Liquid |
| 64.11 | DF | .~.~ Controlled release |
| 64.12 | DF | .~.~ Anticaking |
| 64.13 | DF | .~.~ Forms having structure, e.g., particle size, dimensions, etc. |
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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 | ||
| ****************************** | ||
| DIG 1 | DD | Adjuvant (e.g., carrier, particle size, etc.) |
| DIG 2 | DD | Chelating agent |
| DIG 3 | DD | Defluorination |
| DIG 4 | DD | ANTI-CORROSION |