Method for lyophilizing an active agent

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United States Patent Application 20040009609
Kind Code A1
Yarborough, Cody L. ; et al. January 15, 2004
Abstract
A process for lyophilizing a solution of an active agent in a container is provided. Solution of active agent is deposited into a container, the container is covered with a covering plate and placed inside a lyophilizing apparatus. Lyophilization can be conducted to dryness by radiation, convection or both. Also provided is a device made by this process, an active agent-plastic administration device (e.g., a syringe), containing an active agent in the form of lyophilized cake, and an array of such administration devices.
Inventors: Yarborough, Cody L.; (Ft. Collins, CO) ; Madril, Dominic G.; (Loveland, CO) ; Bawa, Rajan; (Ft. Collins, CO)
Correspondence Name and Address: SCHWEGMAN, LUNDBERG, WOESSNER & KLUTH, P.A.
P.O. BOX 2938
MINNEAPOLIS
MN
55402
US
Assignee Name and Adress: Atrix Laboratories, Inc.
Serial No.: 391480
Series Code: 10
Filed: March 17, 2003
U.S. Current Class: 436/174
U.S. Class at Publication: 436/174
Intern'l Class: G01N 001/00
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