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US 2020/0115149 A1Published application
Moisture Barrier Package
AssigneeUpl Ltd
InventorsJaidev Rajnikant Shroff, Vikram Rajnikant Shroff
Life of this patent
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Abstract
A packaged moisture sensitive product and a method for packaging a moisture sensitive product. The packaging comprises a primary package, and a secondary 5 package comprising a composite laminate comprising at least one thermoplastic layer and at least one metallic layer.
Claims12
A packaged moisture sensitive product, said packaged product comprising:
- (a) at least one moisture sensitive product;
- (b) at least one primary package containing said moisture sensitive product, said primary package being a water soluble pouch made of a water soluble polymer selected from polyethylene glycol;
- a block copolymer comprising polyethylene glycol copolymers with polypropylene oxide, polyethylene butylene, or polycaprolactone;
- polyvinylpyrrolidone;
- polyvinyl alcohol;
- polyacrylic acid;
- polyacrylamide;
- N-(2-hydroxypropyl) methacrylamide;
- divinyl ether-maleic anhydride;
- polyoxazoline;
- polyphosphate;
- polyphosphazene;
- xanthan gum;
- pectin;
- a chitosan;
- dextran;
- carrageenan;
- guar gum;
- hydroxypropyl methylcellulose;
- hydroxypropyl cellulose;
- hydroxyethyl cellulose;
- sodium carboxy-methyl cellulose;
- and a starch;
- (c) at least one secondary package capable of holding said primary package and being made of a composite laminate having a plurality of layers, said layers—comprising:
- at least one first layer of a thermoplastic polymer, said thermoplastic polymer being selected from polyamideimide, polyethersulphone, polyetherimide, polyarylate, polysulphone, polyarylate, polysulphone, polyamide, polymethylmethacrylate, polyvinyl chloride, acrylonitrile butadiene styrene, polystyrene, polyetheretherketone, polytetrafluoroethylene, polyamide 6-6, polyamide 11, polyphenylene sulphide, polyethylene terephthalate, polyoxymethylene, polypropylene, high density polyethylene, low density polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, natural rubber, polydimethyl siloxane, polyoxymethylene, polycarbonate, polyetheretherketone, nylon 6, polyphenylene sulphide, polyethersulphone, polyetherimide, and a liquid crystal polymer;
- at least one metallic layer disposed on said first layer of a thermoplastic polymer or deposited on first layer of a thermoplastic polymer;
- and
- at least one second layer of a thermoplastic polymer disposed on the first layer of thermoplastic polymer, or disposed on the metallic layer, said thermoplastic polymer being selected from polyamideimide, polyethersulphone, polyetherimide, polyarylate, polysulphone, polyarylate, polysulphone, polyamide, polymethylmethacrylate, polyvinyl chloride, acrylonitrile butadiene styrene, polystyrene, polyetheretherketone, polytetrafluoroethylene, polyamide 6-6, polyamide 11, polyphenylene sulphide, polyethylene terephthalate, polyoxymethylene, polypropylene, high density polyethylene, low density polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, natural rubber, polydimethyl siloxane, polyoxymethylene, polycarbonate, polyetheretherketone, nylon 6, polyphenylene sulphide, polyethersulphone, polyetherimide, and a liquid crystal polymer.
25 more elements
A method of packing a moisture sensitive product, said method comprising:
- placing said moisture sensitive product within a first primary package, said primary package being a water soluble pouch made of a water soluble polymer selected from polyethylene glycol;
- a block copolymer comprising polyethylene glycol with polypropylene oxide, polyethylene butylene, or polycaprolactone;
- polyvinylpyrrolidone;
- polyvinyl alcohol;
- polyacrylic acid;
- polyacrylamides;
- N-(2-hydroxypropyl) methacrylamide;
- divinyl ether-maleic anhydride;
- polyoxazoline;
- polyphosphate;
- polyphosphazene;
- xanthan gum;
- pectin;
- a chitosan derivative;
- dextran;
- carrageenan;
- guar gum;
- hydroxypropyl methylcellulose;
- hydroxypropyl cellulose;
- hydroxyethyl cellulose;
- sodium carboxy-methyl cellulose;
- and a starch;
- placing said primary package in a secondary package capable of holding said moisture sensitive agrochemical product contained within said primary package, said secondary package being made of a composite laminate having a plurality of layers, said layers—comprising:
- at least one first layer of a thermoplastic polymer, said thermoplastic polymer being selected from polyamideimide, polyethersulphone, polyetherimide, polyarylate, polysulphone, polyarylate, polysulphone, polyamide, polymethylmethacrylate, polyvinyl chloride, acrylonitrile butadiene styrene, polystyrene, polyetheretherketone, polytetrafluoroethylene, polyamide 6-6, polyamide 11, polyphenylene sulphide, polyethylene terephthalate, polyoxymethylene, polypropylene, high density polyethylene, low density polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, natural rubber, polydimethyl siloxane, polyoxymethylene, polycarbonate, polyetheretherketone, nylon 6, polyphenylene sulphide, polyethersulphone, polyetherimide, and liquid crystal polymer;
- at least one metallic layer disposed between on said first thermoplastic polymer layer or deposited on said first thermoplastic polymer layer, and
- at least one second layer of a thermoplastic polymer disposed on the first layer of thermoplastic polymer, or disposed on the metallic layer, said thermoplastic polymer being selected from polyamideimide, polyethersulphone, polyetherimide, polyarylate, polysulphone, polyarylate, polysulphone, polyamide, polymethylmethacrylate, polyvinyl chloride, acrylonitrile butadiene styrene, polystyrene, polyetheretherketone, polytetrafluoroethylene, polyamide 6-6, polyamide 11, polyphenylene sulphide, polyethylene terephthalate, polyoxymethylene, polypropylene, high density polyethylene, low density polyethylene, polypropylene, polystyrene, polymethylmethacrylate, polyvinyl chloride, natural rubber, polydimethyl siloxane, polyoxymethylene, polycarbonate, polyetheretherketone, nylon 6, polyphenylene sulphide, polyethersulphone, polyetherimide, and a liquid crystal polymer.
23 more elements
Dependencies are inferred from the claim text.