Heat sealable membrane for transdermal drug release

Details Heat sealable membrane for transdermal drug release Heat sealable membrane for transdermal drug release

A - Human Necessities

61

L

128/104, 18/12

A61L 15/44 (2006.01) A61K 9/70 (2006.01) A61M 35/00 (2006.01) A61M 37/00 (2006.01) C08G 18/61 (2006.01)

Patent

CA 1323148

HEAT SEALABLE MEMBRANE FOR TRANSDERMAL DRUG RELEASE ABSTRACT A transdermal drug delivery system, is provided which includes, in combination, an impermeable backing member, a release rate controlling membrane and a reservoir containing a medicinally active ingredient; the improvement in such system is based on the fact that said membrane is heat and pressure sealed to said backing without the u e of a separate adhesive and is formed of a substantially linear block copolymer which is a reaction product of an amino functional polydiorganosiloxane which forms soft segments in said reaction product ant a diisocyanate which forms "hard" segments, said copolymer having a glass transition temperature between 50°C. and 200°C., said soft segments comprising from 60 to 90 percent by weight, based on the weight of said copolymer.

593747

Affiliated with

Also associated with

Rating

Heat sealable membrane for transdermal drug release does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Heat sealable membrane for transdermal drug release, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heat sealable membrane for transdermal drug release will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1221010