Stock material or miscellaneous articles – Layer or component removable to expose adhesive
Reexamination Certificate
2005-09-20
2005-09-20
Pyon, Harold (Department: 1772)
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
C428S040100, C428S040200, C428S343000, C428S3550RA
Reexamination Certificate
active
06946177
ABSTRACT:
An adhesive composition containing (i) from 55 to 95 wt. % of a tackifying polymer and (ii) from 4 to 40 wt. % of a crystalline polycaprolactone polymer based on a total weight of the composition is disclosed. The tackifying polymer is a polymer (i) that is compatible with the polycaprolactone at a first temperature equal to or greater than the melting point of the polycaprolactone, and (ii) is crosslinked at the first temperature.
REFERENCES:
patent: 5192612 (1993-03-01), Otter et al.
patent: 5412035 (1995-05-01), Schmitt et al.
patent: 96/05264 (1996-02-01), None
patent: 01/34716 (2001-05-01), None
CAPA 2043 Polycaprolactone Product Safety Information, Oct. 15, 2001.
JP59-096160 (abstract) Jun. 2, 1984;Database WPI Section Ch. Week 198428 Derwent Publications Ltd., London GB; An 1984-174015 XP002191698.
JP06-145621 (abstract) Sep. 17, 2001; Database WPI Section Ch Week 200156 Derwent Publications Ltd., London, GB; AN 1994-210967 XP002191699.
Abe Hidetoshi
Takamatsu Yorinobu
3M Innovative Properties Company
Blank Colene H.
Nordmeyer Patricia L.
Pyon Harold
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