Details for Patent: 6,759,059

Summary for Patent: 6,759,059

Title:	Fentanyl composition for the treatment of acute pain
Abstract:	A pharmaceutical composition for the treatment of acute pain by sublingual administration is described. The composition comprises an essentially water-free, ordered mixture of fentanyl or a pharmaceutically acceptable salt thereof in the form of microparticles which are adhered to the surface of carrier particles which are substantially larger than the particles of fentanyl, and are essentially water-soluble. In a preferred embodiment, the composition also contains a bioadhesion and/or mucoadhesion promoting agent. The invention also relates to the preparation of the composition, and to the use of the composition for the treatment of acute pain.
Inventor(s):	Pettersson; Anders (Kode, SE), Nystrom; Christer (Uppsala, SE), Lennernas; Hans (Uppsala, SE), Lennernas; Bo (Uddevalla, SE), Hedner; Thomas (Gallsta, SE)
Assignee:	Diabact AB (Uppsala, SE)
Application Number:	09/787,887
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,759,059
Patent Claim Types: see list of patent claims	Use; Composition;

Drugs Protected by US Patent 6,759,059

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 6,759,059

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Sweden	9803239	Sep 24, 1998

PCT Information
PCT Filed	September 24, 1999	PCT Application Number:	PCT/SE99/01688
PCT Publication Date:	March 30, 2000	PCT Publication Number:	WO00/16751

International Family Members for US Patent 6,759,059

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	247950
Australia	6492899
Australia	764473
Bulgaria	105380