US 2004/0166065 A1Published application

Aerosol formulation for inhalation comprising an anticholinergic

AssigneeBoehringer Ingelheim Pharma GmbH & Co. KG

InventorFriedrich Schmidt

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The present invention relates to a propellant-free, aqueous aerosol formulation for anticholinergics of formula 1 1 wherein X− denotes an anion.

Dependent claims

1) An aqueous pharmaceutical formulation for inhalation comprising at least one compound as active drug substance of formula

4
wherein
X− is an anion selected from the group consisting of chloride, bromide, iodide, sulphate, phosphate, methanesulphonate, nitrate, maleate, acetate, citrate, fumarate, tartrate, oxalate, succinate, benzoate and p-toluenesulphonate,
at least one pharmacologically acceptable acid and water, which formulation is a liquid.

1 more element

Dependencies are inferred from the claim text.

A61K 9/0078
Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy: for inhalation via a nebulizer…
A61K 31/33
Medicinal preparations containing organic active ingredients: heterocyclic compounds
A61K 31/4745
Ortho- or peri-condensed with heterocyclic ring systems: condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines
A61K 31/5375
Having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines: 1,4-Oxazines, e.g. morpholine

From the US filing history. Foreign family members aren’t listed.

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