Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Reexamination Certificate
2005-03-22
2005-03-22
Buttner, David J. (Department: 1712)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
C524S457000, C524S458000, C524S461000, C524S086000, C524S091000, C524S099000, C526S089000, C526S173000, C526S201000, C526S217000
Reexamination Certificate
active
06869678
ABSTRACT:
A removable pressure-sensitive adhesive which, even when applied to metal sheets or to metallic members which have undergone a coating treatment, is inhibited from increasing in adhesive force with the lapse of time and can be easily removed therefrom and which has satisfactory weatherability and satisfactory pot life contains 100 parts by weight on a solid basis of an aqueous dispersion type acrylic copolymer obtained by polymerizing a monomer mixture in an aqueous medium in the presence of a nonionic surfactant and/or an anionic surfactant each having an ethylenic double bond and 0.1 to 3 parts by weight of a hindered-amine light stabilizer having a piperidine ring in which the nitrogen atom has a tertiary amine structure; and an adhesive sheet is produced with the adhesive.
REFERENCES:
patent: 6686413 (2004-02-01), Nakamura et al.
patent: 0 600 428 (1994-06-01), None
patent: 08-295861 (1996-11-01), None
patent: 2002-003808 (2000-01-01), None
patent: WO 9931153 (1999-06-01), None
Machine Translation, JP 2002-003808, Yamanaka et al., Jan. 9, 2002.
Itou Shinetsu
Miyoshi Isamu
Shibata Kenichi
Suto Takeshi
Yamanaka Takeshi
Buttner David J.
Keehan Christopher
Nitto Denko Corporation
Sughrue & Mion, PLLC
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