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US 3,944,550 AGranted
Vitamin E orotate and a method of producing the same
AssigneeKanebo, Ltd.
InventorsKyotaro Hasunuma, Masahiro Kurokawa, Takashi Abe
Life of this patent
Estimating the term…
Abstract
Vitamin E orotate which is useful in medicines and cosmetics, is produced by esterifying vitamin E with an orotyl halide or orotic anhydride or with orotic acid in the presence of phosphorous oxychloride.
Claims2
Vitamin E orotate consisting of a tocopheryl moiety selected from .alpha.-, .beta.-, .gamma.- and .delta.-tocopheryl groups and an unsubstituted orotyl moiety combined with said tocopheryl moiety through an ester linkage.
Dependencies are inferred from the claim text.