Food or edible material: processes – compositions – and products – Surface coated – fluid encapsulated – laminated solid... – Dry flake – dry granular – or dry particulate material
Patent
1989-04-03
1992-01-14
Penland, R. B.
Food or edible material: processes, compositions, and products
Surface coated, fluid encapsulated, laminated solid...
Dry flake, dry granular, or dry particulate material
426 72, 426 74, 426302, 426303, 426520, 426601, 426656, 426807, A23K 100
Patent
active
050809172
ABSTRACT:
A coating agent for delaying the release of a physiologically active substance to be administered per os to ruminants, said coating comprising a veterinary acceptable water-soluble, synthetic high molecular compound and ethylcellulose, said coating agent being stable in the first stomach or rumen of ruminants and capable of being effectively disintegrated for subsequent absorption in the 4th stomach of ruminants, characterized in that said coating agent further comprises at least one substance which is miscible with both of said high molecular weight compound and ethylcellulose and is insoluble in water.
Said coating agent forms a coat which protects the active substance from degradation in the first stomach of a ruminant at a pH of about 5.5 and rapidly breaks down in the 4th stomach at a pH of about 3, thereby releasing the active ingredient for absorption by the animal.
The coating agent and the actives coated therewith and their preparation are described.
REFERENCES:
patent: 4196187 (1980-04-01), Dannelly et la.
patent: 4533557 (1985-08-01), Maruyama et al .
Hawley "The Condensed Chemical Dictionary" 10th Edition Van Nostrand Reinhold Publishers New York, N.Y., 1982 pp. 840, 1084.
Itoh Kunio
Ohta Motohiro
Sugiyama Kiyoshi
Kyowa Hakko Kogyo Kabushiki Kaisha
Penland R. B.
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