Biodegradable bag

Details Biodegradable bag Biodegradable bag

2005-11-01

2005-11-01

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035200, C428S480000, C383S001000, C383S061300, C383S097000, C024S415000

Reexamination Certificate

active

06960374

ABSTRACT:
The present invention provides a biodegradable bag which can be heat-sealed at low temperature, does not develop corrugation, has transparency, and has degradability in the natural environment. Laminates including a biaxially oriented film of which the major component is a polylactic acid-family polymer, and a film of which the major component is an aliphatic polyester having a predetermined structure are heat-sealed so that the biaxially oriented film of which the major component is the polylactic acid-family polymer will be an outer layer.

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patent: 6153276 (2000-11-01), Oya et al.
patent: 6417294 (2002-07-01), Obuchi et al.
patent: 8-323946 (1996-12-01), None
patent: 10-100353 (1998-04-01), None
patent: 10-146936 (1998-06-01), None
Machine translation of JP 10-146936.
Database WPI Section Ch, Week, 199832 Derwent Publications Ltd., London, GB; AN 1998-370524 XP002239305 & JP 10 146936 A (Mitsubishi Plastics Ind Ltd), Jun. 2, 1998, abstract.

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