Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1973-12-26
1978-04-11
Hart, Charles N.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 27, 71 1, C05C 900
Patent
active
040837122
ABSTRACT:
Nitrogenous fertilizer compositions comprising a cation exchanger in the form of a salt thereof with a basic carbonic acid derivative containing at least 2 nitrogen groupings, e.g., a salt formed by attaching to a cation exchange material, guanidine, diguanidine, guanylurea, biuretdicyanamide, urazone, melamine, guanine or ammeline, are outstandingly effective in providing gradually-acting, long-lasting fertilizing action.
REFERENCES:
patent: 3082074 (1963-03-01), Handley et al.
patent: 3373009 (1968-03-01), Pruitt et al.
patent: 3533774 (1970-10-01), Nautt
Cope et al., J. Agr. Food Chem. 12(2), 151-154 (1964.
Takimoto, Nippon Kagaka Zasshi 82, 1702-1708 (1961).
Calmon et al., "Ion Exchangers in Organic and Biochemistry," Interscience, New York, 1957 (pp. 346-347).
Corte Herbert
Heller Harold
Lange Peter Michael
Netz Otto
Bayer Aktiengesellschaft
Hart Charles N.
Lander Ferris H.
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