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1. WO2009005947 - BIODEGRADABLE AND COMPOSTABLE HIGH-BARRIER PACKAGING MATERIAL

Publication Number WO/2009/005947
Publication Date 08.01.2009
International Application No. PCT/US2008/066130
International Filing Date 06.06.2008
IPC
B32B 15/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products essentially comprising metal
B32B 27/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27Layered products essentially comprising synthetic resin
CPC
B32B 2255/10
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2255Coating on the layer surface
10on synthetic resin layer or on natural or synthetic rubber layer
B32B 2255/12
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2255Coating on the layer surface
12on paper layer
B32B 2255/205
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2255Coating on the layer surface
20Inorganic coating
205Metallic coating
B32B 2255/26
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2255Coating on the layer surface
26Polymeric coating
B32B 2255/28
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2255Coating on the layer surface
28Multiple coating on one surface
B32B 23/06
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
23Layered products comprising ; a layer of; cellulosic plastic substances ; , i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
04comprising such ; cellulosic plastic; substance as the main or only constituent of a layer, ; which is; next to another layer of ; the same or of; a ; different material
06of paper or cardboard
Applicants
  • NEWPAGE WISCONSIN SYSTEM, INC. [US]/[US] (AllExceptUS)
  • IYENGAR, Gopal [US]/[US] (UsOnly)
  • BORCHARDT, Thomas [US]/[US] (UsOnly)
  • LOWE, Gerald [US]/[US] (UsOnly)
Inventors
  • IYENGAR, Gopal
  • BORCHARDT, Thomas
  • LOWE, Gerald
Agents
  • JUETTNER, Paul G.
Priority Data
60/958,22503.07.2007US
60/963,70307.08.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) BIODEGRADABLE AND COMPOSTABLE HIGH-BARRIER PACKAGING MATERIAL
(FR) MATÉRIAU D'EMBALLAGE À EFFET DE BARRIÈRE ÉLEVÉ BIODÉGRADABLE ET COMPOSTABLE
Abstract
(EN)
Bio-degradable, high-barrier packaging materials and methods for production are provided. The present high-barrier packaging materials include a substrate having a print side and a back side, a coating having nano pigments on the print side and a metalized film applied to the back side with a binding layer. Preferably, at least one of the metalized film and the binding layer includes polylactic acid. Moreover, the back side preferably also includes a polylactic acid heat seal layer.
(FR)
L'invention porte sur des matériaux d'emballage à effet de barrière élevé biodégradables et sur des procédés pour leur production. Les matériaux d'emballage à effet de barrière élevé de l'invention comprennent un substrat comportant une face d'impression et une face arrière, un revêtement comportant des nano-pigments sur la face d'impression et un film métallisé appliqué sur la face arrière avec une couche de liaison. De préférence, au moins l'un parmi le film métallisé et la couche de liaison comprend de l'acide polylactique. De plus, la face arrière comprend également, de préférence, une couche de thermosoudage en acide polylactique.
Also published as
Latest bibliographic data on file with the International Bureau