US Patent 7582284 Particulate materials

Patent 7582284 was granted and assigned to Nektar (pulminary therapeutics business unit) on September, 2009 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Nektar (pulminary therapeutics business unit)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75822840

Patent Inventor Names

Peter York0

Stephen Ernest Walker0

Andreas Kordikowski0

Date of Patent

September 1, 2009

Patent Application Number

104134570

Date Filed

April 14, 2003

Patent Primary Examiner

‌

Mina Haghighatian

Patent abstract

The present invention relates to active substances in particulate form, to methods for preparing them, to formulations containing them and to uses of such substances and formulations. A preferred embodiment is directed to particulate suspensions having improved flocculation behavior in a suspension vehicle, such as a hydrofluoroalkane propellant used in metered dose inhalers.