Process for making a crystalline zilpaterol salt
AssigneeIntervet International B.V.
InventorsOliver Krebs, Philipp Kuenti, Christoph Michlig, Karl Reuter
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Abstract
This invention generally relates to processes for making a crystalline zilpaterol salt, particularly zilpaterol hydrochloride. This invention also relates to methods of treatment using a crystalline zilpaterol salt prepared in accordance with this invention to increase the rate of weight gain, improve feed efficiency, and/or increase carcass leanness in livestock, poultry, and fish.
Claims24
A process for making a crystalline zilpaterol salt, wherein the process comprises forming a mixture by combining a surfactant with water and a zilpaterol salt wherein the process further comprises seeding the mixture with crystalline zilpaterol hydrochloride trihydrate crystals after decreasing the temperature.
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Dependencies are inferred from the claim text.