Medical pressure-sensitive adhesive sheets and method for...

Details Medical pressure-sensitive adhesive sheets and method for... Medical pressure-sensitive adhesive sheets and method for...

2007-05-29

2007-05-29

Zirker, Daniel (Department: 1771)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

C428S343000, C428S354000, C604S289000, C604S304000, C604S307000

Reexamination Certificate

active

10977912

ABSTRACT:
Medical pressure-sensitive adhesive sheets having a pressure-sensitive adhesive layer on at least one side of a support so as to have an appropriate tack strength and acceptable processability. The pressure-sensitive adhesive layer is formed with a pressure-sensitive adhesive composed mainly of an acrylic polymer and a compatible component that is compatible with the acrylic polymer. The support layer contains a compatible component that is compatible with the acrylic polymer. The amount of the compatible component contained in the support layer is 70% or less of the amount of the compatible component contained in the pressure-sensitive adhesive layer and the support layer has an elongation of 200% or more without containing any compatible component.

REFERENCES:
patent: 4564010 (1986-01-01), Coughlan et al.
patent: 4909243 (1990-03-01), Frank et al.
patent: 5092323 (1992-03-01), Riedel et al.
patent: 2005/0112367 (2005-05-01), Yamamoto et al.
patent: 6-23029 (1994-02-01), None
patent: 6-319793 (1994-11-01), None
Machine Translations of the Claims and Detailed Description of JP Abstract Publications 06-319793 and 06-023029.

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