Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1989-01-17
1990-09-04
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 29, 71 30, 71902, 71903, C05G 308
Patent
active
049541560
ABSTRACT:
The invention described herein comprises two principal embodiments. The first embodiment comprises operating procedures related to the instant invention which along with urease inhibition test results demonstrate the use of two classes of N-Halamine compounds (N,N'-DIHALO-2-IMIDAZOLIDINONES and N-HALO-2-OXAZOLIDINONES) as inhibitors of the activity of the enzyme urease in solution and agricultural soil systems. The second embodiment comprises operating procedures related to the instant invention which along with nitrification inhibition test results demonstrate the use of the two classes of N-Halamine compounds (N,N'-DIHALO-2-IMIDAZOLIDINONES and N-HALO-2-OXAZOLIDINONES) as inhibitors of nitrification in agricultural soil systems.
REFERENCES:
patent: 3482957 (1969-12-01), Ueno et al.
patent: 3542537 (1970-11-01), Hanson et al.
patent: 3544295 (1970-12-01), Nakamigawa et al.
patent: 3573028 (1971-03-01), Ueno et al.
Ash Doris H.
Gautney Joe
Worley Shelby D.
Auburn University
Lander Ferris H.
Petrusek Robert A.
Tennessee Valley Authority
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