Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – N-c doai
Patent
1985-03-14
1987-10-06
Robinson, Allen J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
N-c doai
514 78, 514479, 514594, A01N 4710, A01N 4728, A01N 5726
Patent
active
046983627
ABSTRACT:
The present disclosure is concerned with a technique for producing storage stable, non-caking, low viscosity pesticidal concentrates and the compositions so obtained. The technique involves milling a solid biologically active compound in a low viscosity aliphatic petroleum fraction in which it is slightly soluble until it has an average particle size of less than about 10 microns at a temperature in excess of about 40.degree. C. in the presence of a high or ultra-high surface area silica and lecithin. The milling is conducted in such a manner as to avoid melting any significant portion of the biologically active compound undergoing milling. The concentrate so obtained, typically display room temperature viscosities between about 20 and 2,000 cps and contain between about 120 and 480 grams per liter of biologically active compound. These compositions are more redispersible and have a lower viscosity than similar compositions with equivalent concentrations of biologically active compounds which were obtained by milling at ambient temperature. There are suitable for either direct application or application after dilution in oils or water to any large area such as agricultural fields or forests which are typically treated with pesticides or growth regulants.
REFERENCES:
patent: 2006227 (1935-06-01), Bousquet
patent: 3114673 (1963-12-01), Lemin
patent: 3553328 (1971-01-01), Koundakjian
patent: 4226883 (1980-10-01), Yamamoto et al.
patent: 4237113 (1980-12-01), Cardarelli
Tenth Edition of the Merck Index--pp. 779 and 780.
Tenth Edition of the Merck Index--p. 64.
Harsh Gene
Mobay Corporation
Pope Lawrence S.
Robinson Allen J.
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