Back to results
US 4,228,287 AGranted
Piperidinemethyl ethers
AssigneeN.V. Koninklijke Pharmaceutische Fabrieken
InventorCornelis van der Stelt
Life of this patent
Estimating the term…
Abstract
A tertiary base of the formula: ##STR1## and its acid addition and quaternary ammonium salts is described. The compounds exhibit strong antihistaminic activity in animals. There is also described and claimed a method for their preparation and use as therapeutic agents in the form of therapeutic compositions.
Claims2
A non-toxic quaternary ammonium salt of 1-methyl-2-[[(p-methyl-.alpha.-phenyl-benzyl)oxy]methyl]piperidine of the formula ##STR5## in which R represents a methyl group and an-a halogen or sulfate anion.
Dependencies are inferred from the claim text.