Nova Patents
ATE207348T1

Improved method for preventing crystal formation in a dispersion of a liquid in a matrix

Abstract

An improved method for the manufacture of transdermal drug delivery devices comprising liquid dispersions of a liquid in an aqueous or nonaqueous matrix is disclosed. More particularly, the invention relates to preventing the formation of a crystalline structure in such liquid dispersions by annealing films and laminates in-line immediately following film formation and/or lamination during the manufacture of these devices.

Term

Term ended

Projected expiry passed 15 November 2016, 9.9 years ago.

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17 members in 8 offices

This recordMember, by publication datePriority claim

Priority claims2

Priority claims
DocumentOfficeKindDate
56622895United States of AmericaA
9618397United States of AmericaW

Members17

Family members, oldest first
DocumentOfficeKind
WO9720550A2World Intellectual Property Organization (WIPO)A2
AU1120097AAustraliaA
WO9720550A3World Intellectual Property Organization (WIPO)A3
EP0863751A2European Patent Office (EPO)A2
JP2000505061AJapanA
US6238700B1United States of AmericaB1
EP0863751B1European Patent Office (EPO)B1
US2001038850A1United States of AmericaA1
AT207348TAustriaT
ATE207348T1This recordAustriaT1
DE69616370D1GermanyD1
ES2162124T3SpainT3
DE69616370T2GermanyT2
US6569448B1United States of AmericaB1
US2004047893A1United States of AmericaA1
US7169409B2United States of AmericaB2
JP4166276B2JapanB2