Biodegradable controlled release flash flow melt-spun delivery system

Patent 5518730 Issued on May 21, 1996. Estimated Expiration Date:

May 21, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventor

Fuisz, Richard C.

Application

No. 893238 filed on 06/03/1992

US Classes:

424/426, Errodable, resorbable, or dissolving424/9.4, X-ray contrast imaging agent (e.g., computed tomography, angiography, etc.)424/45, Organic pressurized fluid424/423, Surgical implant or material424/434, Mucosal (e.g., nasal, etc.)424/435, Mouth424/436, Anal, rectal (e.g., suppositories, etc.)424/438, Specially adapted for ruminant animal424/439, Food or edible as carrier for pharmaceutical424/444, Resorbable by the body424/449, Transdermal or percutaneous424/451, Capsules (e.g., of gelatin, of chocolate, etc.)424/465, With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.)424/484, Matrices424/489, Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)602/48Wound contact layer containing treatment material

Examiners

Primary: Webman, Edward J.

Attorney, Agent or Firm

Hoffmann & Baron

Foreign Patent References

PCT/WO91/18613 EP. 12/13/1991
88/2770 ZA. 04/13/1988
88/2771 ZA. 04/13/1988
89/9318 ZA. 12/13/1989
90/2139 ZA. 03/13/1990
90/8406 ZA. 08/13/1991

International Classes

A61K 009/70
A61K 047/30
A61L 015/62

Abstract

Biodegradable controlled release delivery systems using melt-spun biodegradable polymers as carriers for bio-effecting agents such as pharmaceutical actives are disclosed. Oral dosage forms as well as implants are described.

Other References

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