Stock material or miscellaneous articles – Hollow or container type article – Paper containing
Patent
1995-10-30
1997-10-21
Dye, Rena
Stock material or miscellaneous articles
Hollow or container type article
Paper containing
428 352, 428481, 428532, 428913, 383 1, B32B 2900, B65D 6546
Patent
active
056794215
ABSTRACT:
Biodegradable bags can be formed out of two-ply sheet materials that include an outer ply of kraft paper and an inner ply of biodegradable thermoplastic material. The two-ply sheets are formed and connected together with the use of biodegradable adhesives that do not constitute barriers to biodegradation of the bag material in a composting environment. The sheets are preferably laminated and joined together, using heat-sealing procedures. Preferred biodegradable materials are polyvinyl alcohol, hydroxyethylcellulose polymer, polyethylene glycol polymer, polycaprolactone, polylactic acid, hydroxybutyrate polymer, hydroxyvalerate polymer, and a copolymer of hydroxybutyrate and hydroxyvalerate.
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Cantor, Esq. Frederick R.
Dye Rena
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