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Last Updated: December 17, 2025

Claims for Patent: 4,842,864

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Summary for Patent: 4,842,864

Title:	Self-adhesive device for the percutaneous administration of an active ingredient
Abstract:	The present invention relates to a novel self-adhesive matrix for the percutaneous administration of an active ingredient. This matrix comprises a combination of the following: (a) 40 to 60 parts by weight of an ethylene/vinyl acetate copolymer material, (b) 40 to 60 parts by weight of a higher aliphatic monoalcohol compound, (c) 1 to 20 parts by weight of a cellulose derivative material, (d) 0.1 to 8 parts by weight of a polyhydric alcohol compound, and (e) 0.01 to 10 parts by weight of an active ingredient which can be administered percutaneously, the weight ratio a+c/b+d being between 0.7 and 1.3.
Inventor(s):	Alain Guillemet, Eric Teillaud, Philippe Reginault
Assignee:	Laboratories Fournier SAS
Application Number:	US07/174,414
Patent Claims:

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