Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1975-12-08
1977-05-03
Spear, Jr., Frank A.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 34, 71123, C05G 300, A01N 924
Patent
active
040212203
ABSTRACT:
Fertilizers containing the elements nitrogen, phosphorus and potassium, and organic compounds acting as growth activators for plants. These organic compounds comprise compounds of high molecular weight, which result from the polycondensation of naphthoquinone and maleic anhydride and which are added to the fertilizers at a rate of from 0.5 to 10% by weight of the total fertilizer. Incorporation can occur at the stage of providing the raw materials or at the stage of granulation, the fertilizer thus activated being applied in known manner.
REFERENCES:
patent: 3193373 (1965-07-01), Parups
The Condensed Chemical Dictionary, pp. 538, 605, 8th Ed., Van Nostrand Reinhold.
Lander Ferris H.
Rhone-Poulenc Industries
Spear, Jr. Frank A.
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