Aminotetralins and use in inducing anesthesia
Patent 4057582 Issued on November 8, 1977. Estimated Expiration Date: 
November 8, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 8, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2982783 3534055 3637740 InventorsAssigneeApplicationNo. 05/401018 filed on 09/26/1973US Classes:564/428, Bicyclo ring system514/817, ANESTHETIC, TOPICAL564/270Polycyclo ring systemExaminersPrimary: Roberts, Elbert L.Attorney, Agent or FirmAbstractCovers a compound selected from the group consisting of a member of the formula: ##STR1## where R1 is a radical selected from the group consisting of higher branched or straight chain alkyl and cycloalkyl radicals wherein said R1 radical contains at least six carbon atoms, R2 is a radical selected from the group consisting of hydrogen, loweralkyl and loweralkanol radicals, wherein said R2 radical contains 1-3 carbon atoms, and R3 is methoxy; and nontoxic pharmaceutically acceptable acid addition salts thereof. Also covers the use of said compound as a local anesthetic and pharmaceutical compositions comprising said above compounds as the active ingredient.Other References
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