Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2005-01-11
2005-01-11
Morris, Terrel (Department: 1771)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S317500, C428S343000, C428S3550EN, C428S3550EN, C525S218000, C524S272000
Reexamination Certificate
active
06841234
ABSTRACT:
Heat-activated adhesive tape has a backing comprising 88-92% acrylic polymer containing: 35-45% of a first alkyl acrylate monomer with alkyl groups containing 4 to 12 carbon atoms, 30-40% of a second alkyl acrylate monomer with alkyl groups containing 4 to 12 carbon atoms, 6-10% a first monoethylenically unsaturated polar copolymerizable monomer, 1-2% a second monoethylenically unsaturated polar copolymerizable monomer, 0.3-0.5% photoinitiator, 1-2% filler, 0.05-0.07% crosslinker/chain extender, and 8-12% hollow glass microspheres; and heat-activated adhesive layer on at least one side. A pressure-sensitive adhesive may be on the other side. A method for preparing the adhesive tape involves partially polymerizing an oligomer, forming a coating composition, coating the composition onto a heat-activated adhesive disposed on a liner with a second liner, which may have a heat-activated adhesive, contiguously covering the first liner, and polymerizing the composition on the liners between two banks of ultraviolet light while cooling to form a tape.
REFERENCES:
patent: 3314838 (1967-04-01), Erwin
patent: 3993833 (1976-11-01), Esmay
patent: 4181752 (1980-01-01), Martans et al.
patent: 4223067 (1980-09-01), Levens
patent: 4303485 (1981-12-01), Levens
patent: 4307142 (1981-12-01), Blitstein et al.
patent: 4415615 (1983-11-01), Esmay et al.
patent: 4484574 (1984-11-01), DeRusha et al.
patent: 4780491 (1988-10-01), Vesley et al.
patent: 4895745 (1990-01-01), Vesley et al.
patent: 4968558 (1990-11-01), Fisher et al.
patent: 5024880 (1991-06-01), Veasley et al.
patent: 5183833 (1993-02-01), Fisher et al.
patent: 5264278 (1993-11-01), Mazurek et al.
patent: 5322709 (1994-06-01), Lulla et al.
patent: 5334447 (1994-08-01), Kitamura et al.
patent: 5521227 (1996-05-01), Palazzotto et al.
patent: 5605717 (1997-02-01), Simmons et al.
patent: 5611881 (1997-03-01), Kimura et al.
patent: 5612136 (1997-03-01), Everaerts et al.
patent: 5683798 (1997-11-01), Bennett et al.
patent: 5695837 (1997-12-01), Everaerts et al.
patent: 5883149 (1999-03-01), Bennett et al.
patent: 5902836 (1999-05-01), Bennett et al.
patent: 5922428 (1999-07-01), Pufahl
patent: 747341 (1966-11-01), None
patent: 0 319 155 (1988-11-01), None
patent: 0 324 242 (1988-12-01), None
patent: 0 426 198 (1990-11-01), None
patent: WO 9215394 (1992-09-01), None
patent: WO 9529811 (1995-11-01), None
Delpozzo Kaila
Ding Jian Ling
Lhila Ramesh
Park Kwang-Yol
McCormick Paulding & Huber LLP
Morris Terrel
Scapa Tapes North America Inc.
Vo Hai
LandOfFree
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