Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Reexamination Certificate
2006-08-30
2008-10-07
Tran, Thao T. (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
C526S931000
Reexamination Certificate
active
07431985
ABSTRACT:
A medical pressure-sensitive adhesive composition having excellent re-adhesion property, and also excellence in both the peel adhesion property and the low skin stimulus property, a process for producing the same, and a medical tape are provided. In the medical tape, a medical pressure-sensitive adhesive composition containing acrylic polymer and acrylic oligomer is laminated on a substrate, wherein the medical pressure-sensitive adhesive composition is prepared by cross-linking an intermediate composition containing an acrylic polymer having a cross-linkable functional group and an acrylic oligomer containing 10 to 40 percent by mole of vinyl monomer with a lactam ring through the use of a cross-linking agent, and wherein this medical tape is made by compounding the acrylic oligomer in the range of 50 to 700 parts by weight relative to 100 parts by weight of acrylic polymer, while the number average molecular weight of the acrylic polymer is set at a value within the range of 300,000 to 1,500,000, and the number average molecular weight of the acrylic oligomer is set at a value within the range of 1,000 to 10,000.
REFERENCES:
patent: 4364972 (1982-12-01), Moon
patent: 4370380 (1983-01-01), Shah
patent: 5312868 (1994-05-01), Abe et al.
patent: 5648166 (1997-07-01), Dunshee
patent: 5902678 (1999-05-01), Konda et al.
patent: 0819713 (1998-01-01), None
patent: 56-008476 (1981-01-01), None
patent: 59-199628 (1984-11-01), None
patent: 62-077316 (1987-04-01), None
patent: 63-305873 (1988-12-01), None
patent: 05-065460 (1993-03-01), None
patent: 05-139960 (1993-06-01), None
patent: 06-004533 (1994-01-01), None
patent: 2000-044904 (2000-02-01), None
Carmody & Torrance LLP
Lintec Corporation
PIAC Co., Ltd.
Tran Thao T.
LandOfFree
Medical pressure-sensitive adhesive composition, process for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Medical pressure-sensitive adhesive composition, process for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Medical pressure-sensitive adhesive composition, process for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4015858