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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,278,201

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Summary for Patent: 5,278,201

Title: Biodegradable in-situ forming implants and methods of producing the same
Abstract:A biodegradable polymer is provided for use in providing syringeable, in-situ forming, solid biodegradable implants for animals. The polymer is placed into the animal in liquid form and cures to form the implant in-situ. A thermoplastic system to form said implant comprises the steps of dissolving a non-reactive polymer in biocompatible solvent to form a liquid, placing the liquid within the animal, and allowing the solvent to dissipate to produce the implant. An alternative, thermosetting system comprises mixing together effective amounts of a liquid acrylic ester terminated, biodegradable prepolymer and a curing agent, placing the liquid mixture within an animal and allowing the prepolymer to cure to form the implant. Both systems provide a syringeable, solid biodegradable delivery system by the addition of an effective level of biologically active agent to the liquid before injection into the body.
Inventor(s): Dunn; Richard L. (Fort Collins, CO), English; James P. (Birmingham, AL), Cowsar; Donald R. (Birmingham, AL), Vanderbilt; David P. (Birmingham, AL)
Assignee: Atrix Laboratories, Inc. (Fort Collins, CO)
Application Number:07/513,782
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Device;

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International Patent Family for Patent: 5,278,201

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria151257► Subscribe
Austria162398► Subscribe
Austria228861► Subscribe
Australia2605592► Subscribe
Australia3117493► Subscribe
Australia4501789► Subscribe
Australia5067793► Subscribe
Australia644581► Subscribe
Australia666050► Subscribe
Brazil8907686► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Medtronic
Mallinckrodt
Julphar
McKinsey
QuintilesIMS
Fuji
Queensland Health
Johnson and Johnson
Cerilliant
Colorcon

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