Adhesive preparations

Details Adhesive preparations Adhesive preparations

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.

REFERENCES:
patent: 4776850 (1988-10-01), Guse et al.
patent: 5770221 (1998-06-01), Nakamura et al.
patent: 2003/0138479 (2003-07-01), Mizota et al.
patent: 2003/0149383 (2003-08-01), Ikeura et al.
patent: 2003/0149385 (2003-08-01), Tsuruda et al.
patent: 2004/0096491 (2004-05-01), Tateishi et al.
patent: 374 980 (1990-06-01), None
patent: 11 152222 (1999-06-01), None
patent: WO-95/31190 (1995-11-01), None

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