Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1991-05-28
1993-01-26
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
523177, 523407, 524300, 524318, C08F22002
Patent
active
051823233
ABSTRACT:
A pressure sensitive hot melt adhesive contains thermoplastic rubber such as styrene isoprene copolymer, a copolymer of vinylpyrrolidone and vinylacetate, fatty acid and, usually, tackifying resin. The composition is water soluble or water dispersible which facilitates removal of labels by washing and recycling of scrap material in label production. The composition gives better properties, especially peel strength, than other water-soluble or dispersible hot melt compositions.
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patent: 3909473 (1975-09-01), Okamura et l.
patent: 4331576 (1982-05-01), Colon et al.
patent: 4338229 (1982-07-01), Agarwal et al.
patent: 4743238 (1988-05-01), Colon et al.
Guarriello John J.
ISP Investments Inc.
Katz Walter
Maue Marilyn J.
Michl Paul R.
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