US 8,785,455 B2Granted

Polymorph of linagliptin benzoate

AssigneeSandoz Ltd.

InventorsAndreas Hotter, Arthur Pichler

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Abstract

The present invention relates to a novel polymorph of Linagliptin benzoate and to methods for its preparation. Furthermore the present invention relates to the use of the novel polymorph for the preparation of a medicament. In addition the present invention relates to pharmaceutical compositions comprising an effective amount of the novel polymorph of Linagliptin benzoate.

Claims18

Dependent claims

A crystalline form of Linagliptin benzoate having an X-ray powder diffraction pattern comprising peaks at 2-theta angles of 8.0±0.2°, 8.7±0.2°, 10.4±0.2°, 12.9±0.2°, 13.8±0.2° and 17.4±0.2°.

Dependencies are inferred from the claim text.

Facts

Application: 14/115,880Filed 9 May 2012
Priority: EP 1116559710 May 2011
Published: US 2014/0121225 A11 May 2014
Granted: 22 Jul 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

C07D 473/06
Two oxygen atoms: with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
A61K 31/522
Purines, e.g. adenine: having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
A61K 45/06
Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00: mixtures of active ingredients without…
A61P 3/10
For glucose homeostasis: for hyperglycaemia, e.g. antidiabetics

Family

US 2014/0121225 A1Pre-grant publication · published 1 May 2014
US 8,785,455 B2This patent

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

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