Peelable protective film

Details Peelable protective film Peelable protective film

2005-01-04

2005-01-04

Nakarani, D. S. (Department: 1773)

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Polymer derived from material having at least one acrylic or...

C156S330900, C156S331800, C428S3550CN, C428S3550AC, C428S520000, C526S288000, C526S302000, C526S317100, C526S319000

Reexamination Certificate

active

06838143

ABSTRACT:
Adhesive-coated, peelable protective films and peelable labels, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises, to an extent of from 0.1 to 10 wt %, based on the copolymer, a compound A compound of at least one copolymerizable, ethylenically unsaturated group and a group of the formulain which R1and R2independently stand for hydrogen or a C1-C5alkyl group or R1and R2together form a bridging C2-C4alkylene group which can be mono- or di-substituted by a C1-C4alkoxy group or hydroxyl group and X stands for O or S.

REFERENCES:
patent: 4035546 (1977-07-01), Ruppert, Jr.
patent: 4713273 (1987-12-01), Freedman
patent: 5055504 (1991-10-01), Mahil et al.
patent: 5908908 (1999-06-01), Vanhoye et al.
patent: 0 417 564 (1991-03-01), None
patent: 0 822 206 (1998-02-01), None

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