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1932-05-13 |
1936-01-07 |
Oliver United Filters Inc |
Method for treatment of sewage
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1947-05-03 |
1951-09-25 |
Commerical Solvents Corp |
Process for producing ammonium nitrate
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1952-11-03 |
1956-07-17 |
Swift & Co |
Plant food manufacture
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1953-06-30 |
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1953-06-30 |
1957-07-23 |
Ncr Co |
Oil-containing microscopic capsules and method of making them
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1955-01-27 |
1959-09-01 |
Jr Bernard J Kerley |
Method and apparatus for producing ammonium salts
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1958-07-10 |
1962-08-21 |
Phillips Petroleum Co |
Fertilizer
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1964-02-04 |
1969-06-04 |
Metallgesellschaft Ag |
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1964-11-30 |
1969-10-28 |
Dainippon Toryo Kk |
Plural coated pellet form products and process of making
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1965-03-18 |
1967-02-21 |
Nat Eng Co |
Apparatus for conditioning granular material using rotating spokes and aerating cleats
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1965-10-14 |
1966-07-05 |
Archer Daniels Midland Co |
Slow release fertilizer with a plurality of epoxy/polyester resin coatings
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1965-12-08 |
1966-08-02 |
Archer Daniels Midland Co |
Slow release fertilizer granule having a plurality of epoxy resin coatings
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1965-12-10 |
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Archer Daniels Midland Co |
Slow release fertilizer granule having a plurality of urethane resin coatings
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1967-05-23 |
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Johan Ragnar Liljegren |
Methods of separating inorganic impurities from sewage and of making a soil improving composition from the impurities separated
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1971-04-08 |
1972-11-24 |
Ciba Geigy Ag |
Coated sodium chlorate compsns - herbicides with less risk of spontaneous combustion
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1969-01-10 |
1972-04-11 |
John N Karnemaat |
Process for treating waste materials
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1969-07-09 |
1973-07-18 |
Int Combustion Holdings Ltd |
Composting material
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1970-01-08 |
1975-04-15 |
Jesse R. Conner |
Land improvement with waste materials
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1970-04-28 |
1974-03-16 |
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1971-08-25 |
1975-10-28 |
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Sewage treatment
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1971-11-08 |
1976-03-09 |
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1972-10-25 |
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1973-10-15 |
1977-06-07 |
Manchak Frank |
Method and apparatus for treating sumps
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1974-07-10 |
1977-01-04 |
Ncr Corporation |
Capsule manufacture
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1974-08-05 |
1976-06-01 |
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1974-08-12 |
1976-06-29 |
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Animal waste odor treatment
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1976-02-17 |
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Process for treating animal waste
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1975-05-28 |
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1975-07-09 |
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1975-08-06 |
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1975-12-23 |
1978-08-22 |
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1976-12-30 |
1978-07-11 |
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1977-07-25 |
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Tennessee Valley Authority |
Granular ammonium phosphate sulfate and urea-ammonium phosphate sulfate using a common pipe-cross reactor
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1977-10-19 |
1981-05-04 |
Stablex Ag |
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1977-12-16 |
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1977-12-23 |
1987-03-26 |
Degussa Ag, 6000 Frankfurt |
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1978-01-10 |
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Process for the preparation and pasteurization of sewage sludge with the addition of CaO
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1978-09-05 |
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Union Oil Company Of California |
Multicomponent soil supplement
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1978-11-22 |
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Bayer Ag |
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1980-04-02 |
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1980-12-24 |
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1981-07-20 |
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1984-02-09 |
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Attrition resistant controlled release fertilizers
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