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POLYETHYLENE-OXIDE BASED FILMS AND DRUG DELIVERY SYSTEMS MADE THEREFROM

12/614,928 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 9, 2009
Examiner EDMUND H LEE
Class 264
Art Group 1744
Patent No. 7,897,080
Case Type Utility - 264/172190
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 10/856,176 Patented
Parent 60/473,902 Expired
Parent 10/768,809 Patented
Parent 60/443,741 Expired
Parent PCT/US02/32575 Published
Parent PCT/US02/32594 Published
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Last Updated: 1 year, 1 month ago
Date # Transaction