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1. US20100143624 - Plastic sheet for packaging container

Office
United States of America
Application Number 12599570
Application Date 11.05.2007
Publication Number 20100143624
Publication Date 10.06.2010
Grant Number 09056711
Grant Date 16.06.2015
Publication Kind B2
IPC
B29D 22/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
22Producing hollow articles
B29D 23/00
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
23Producing tubular articles
B32B 1/08
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
1Layered products essentially having a general shape other than plane
08Tubular products
B32B 27/32
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
32comprising polyolefins
B65D 81/28
BPERFORMING OPERATIONS; TRANSPORTING
65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
81Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
28Applications of food preservatives, fungicides, pesticides, or animal repellents
B32B 27/08
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
06as the main or only constituent of a layer next to another layer of a specific substance
08of synthetic resin of a different kind
Applicants Keijiro Ishiyama
J-Chemical Corporation
Inventors Keijiro Ishiyama
Agents Carrier Blackman & Associates, P.C.
Joseph P. Carrier
William D. Blackman
Title
(EN) Plastic sheet for packaging container
Abstract
(EN)

A plastic sheet for a packaging container with which the activity of microorganisms which stays on a stored matter such as raw fishes and meats before packaging or adheres thereto after packaging is lowered, and the growth of the microorganisms is suppressed in the case of storing or transporting meat and fish bodies in a raw state.

The plastic sheet for a packaging container comprises a three-layer structure plastic sheet layered using a polyethylene film as an inner layer containing an antioxidant and an antibacterial, a polyvinyl alcohol film as an intermediate layer having high gas barrier properties and a polypropylene film as an outer layer.