US 12,485,139 B2 · Pharmaceutical composition

Abstract

The present invention provides a pharmaceutical composition comprising: a biodegradable multi-branched copolymer comprising at least three polyester arms attached to a central core which comprises a polyether, and wherein the multi-branched copolymer is substantially insoluble in aqueous solution, further comprising at least one pharmaceutically active ingredient.

Claims42

Dependent claims

A pharmaceutical composition comprising:

a biodegradable multi-branched copolymer comprising at least three polyester arms attached to a central core which comprises a polyether,
at least one pharmaceutically active ingredient, and
an organic solvent in an amount at least 25% (w/w %) of the total composition,
wherein the polyether is 10 kDa or less and the multi-branched copolymer is substantially insoluble in aqueous solution.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/421,602Filed 8 Jan 2020

Priority

GB 19002588 Jan 2019

Published

US 2022/0118003 A121 Apr 2022

Granted

2 Dec 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61K 31/765
Synthetic polymeric materials: polymers containing oxygen
A61K 9/0019
Galenical forms characterised by the site of application: injectable compositions; Intramuscular, intravenous, arterial, subcutaneous…
A61K 9/0024
Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in…
A61K 31/445
Non condensed pyridines; Hydrogenated derivatives thereof: non condensed piperidines, e.g. piperocaine

Pharmaceutical composition

Life of this patent

Pharmaceutical composition

Life of this patent

Abstract

Claims42