Biodegradable laminate sheet and molded item from...

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface

Reexamination Certificate

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Details

C428S212000, C428S480000, C264S173110, C264S173120, C264S173150, C264S173160, C264S210100, C264S241000, C264S280000, C264S285000, C264S288400, C264S291000, C264S299000, C264S319000, C264S330000, C264S331210, C156S244110, C156S244240

Reexamination Certificate

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07320773

ABSTRACT:
A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a layer comprising a biodegradable resin other than a polylactic acid-family resin.

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Schimtz, Peter et al., “Films.” Ullmann's Encyclopedia of Industrial Chemistry, 5th Ed., vol. A11 (1988), pp. 85-95, 108-110.
Whelan, Tony, Polymer Technology Dictionary (1994), p. 164.

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