Surgery: splint – brace – or bandage – Bandage structure – Skin laceration or wound cover
Reexamination Certificate
2007-07-31
2007-07-31
Lewis, Kim M. (Department: 3772)
Surgery: splint, brace, or bandage
Bandage structure
Skin laceration or wound cover
C602S041000, C602S052000, C602S054000, C424S443000, C424S448000, C424S449000
Reexamination Certificate
active
11634481
ABSTRACT:
This invention provides a patch with less skin stimulation, excellent in long time store stability and heat stability and having favorable tack during use. The patch comprising a styrene-isoprene-styrene block copolymer, polyisobutylene, tackifier, plasticizer and pharmaceutically effective ingredient, in which two or more kinds of polyisobutylene of different average molecular weight are used in combination and the viscosity of the adhesive of the patch is between 1500 and 30,000 poise (at 60° C.) and the tack of the patch is from 5 to 200 g/10 mm.
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Ikeura Yasuhiro
Tsuruda Kiyomi
Corless Peter F.
Edwards Angell Palmer & & Dodge LLP
Hisamitsu Pharmaceuticals Co., Inc.
Lewis Kim M.
O'Day Christine C.
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