US 9,517,269 B1Granted

Stable pentobarbital formulation

AssigneeAkorn, Inc.

InventorsSean E. Brynjelsen, Biswajit Pati

Life of this patent

Estimating the term…

Abstract

The present invention relates to a pentobarbital formulation with greater stability and fewer impurities. In particular, the formulation may be an aqueous formulation containing 50 mg/mL pentobarbital sodium, 50% glycol, and 10% alcohol, at a pH of 9.4.

Claims4

Dependent claims

A composition comprising 50 mg/mL of a pentobarbital, 50% (v/v) propylene glycol, 10% (v/v) ethanol, and water, wherein the pH of the composition is 9.0-9.5.

Dependencies are inferred from the claim text.

Facts

Application: 14/617,404Filed 9 Feb 2015 · continuation
Priority: 1 Oct 2013
Granted: 13 Dec 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61K 47/10
Containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides: alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene…
A61K 9/0019
Galenical forms characterised by the site of application: injectable compositions; Intramuscular, intravenous, arterial, subcutaneous…
A61K 31/515
Having oxo groups directly attached to the heterocyclic ring, e.g. cytosine: barbituric acids; Derivatives thereof, e.g. sodium pentobarbital
Y02A 50/30
In human health protection, e.g. against extreme weather: against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne…

Family

Application14/043,467Parent of this continuation · filed 1 Oct 2013
Application14/046,524Parent of this continuation · filed 4 Oct 2013
US 9,517,269 B1This patent

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

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