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Browse by Category: Main > Material Science
Class Information
Number: 428/34.3
Name: Stock material or miscellaneous articles > Hollow or container type article (e.g., tube, vase, etc.) > Paper containing (e.g., paperboard, cardboard, fiberboard, etc.) > Bag or tubular film (e.g., pouch, flexible food casing, envelope, etc.)
Description: Article* in the form of a flexible tubular film or bag-like product which contains paper.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8685505 Tear-resistant paperboard laminate and structure Apr. 1, 2014
8679600 Food drainage bag Mar. 25, 2014
8642101 Polymer-coated liquid packaging board, a package formed from it and the use of the polymer Feb. 4, 2014
8592014 Tri-layer food container Nov. 26, 2013
8574691 Starch-based adhesive compositions and use thereof Nov. 5, 2013
8568809 Oil resistant packaging Oct. 29, 2013
8563057 Smokeable planar or tubular-shaped food covering or film for food packagings, and method for the production thereof Oct. 22, 2013
8563102 Resin blend of ethylene alpha olefin interpolymer and heterogeneous interpolymer for liquid packaging films Oct. 22, 2013
8486500 Flat bottom bag Jul. 16, 2013
8409676 Compostable packaging materials and methods Apr. 2, 2013
8394474 Sterilizable coextruded film for aseptic packaging Mar. 12, 2013
8367171 Polymer having polycyclic groups and coating compositions thereof Feb. 5, 2013
8348141 Gemstone parcel paper with a viewing window Jan. 8, 2013
8346183 Seamless insert molding techniques Jan. 1, 2013
8287777 Method of protecting organic material from light Oct. 16, 2012
8282539 Multi-layered bags and methods of manufacturing the same Oct. 9, 2012
8222325 Polyvinyl alcohol as co-stabilizer for PVC Jul. 17, 2012
8153228 Protective cover for slings, ropes, cables and the like Apr. 10, 2012
8153215 Multilayer structure based on polyamides and tube or conduit with multilayer structure Apr. 10, 2012
8137772 Multilayer tubular film based on polyamide Mar. 20, 2012
8114490 Cushioning product and method and apparatus for making same Feb. 14, 2012
8101252 Air bag Jan. 24, 2012
8097338 In-mold label, and labeled resin-labeled article Jan. 17, 2012
8097313 Multilayer bag of paper Jan. 17, 2012
8097312 Paper roll with pre-cut windows Jan. 17, 2012
8084536 Resin composition and film made of same Dec. 27, 2011
8080268 Smoke and steam-permeable food casing comprising a flavored interior surface Dec. 20, 2011
8067072 Self opening bag stack and method of making same Nov. 29, 2011
8062721 Biodegradable resin and product molded or formed from the same Nov. 22, 2011
8057871 Anti-theft label and its assembly method Nov. 15, 2011
8043674 Sealable packaging structures and applications related thereto Oct. 25, 2011
8025915 Method of preparing a macromolecule deterrent surface on a pharmaceutical package Sep. 27, 2011
8025973 Paper substrate containing a fluorine containing compound and having enhanced grease-resistance and glueability Sep. 27, 2011
7960002 Coupling structure, coupling process and coupling apparatus of laminate film Jun. 14, 2011
7955670 Paperboard containers having improved bulk insulation properties Jun. 7, 2011
7926735 Fragrance package, dispenser, and method Apr. 19, 2011
7914867 Medical gas barrier film and medical bag using the same Mar. 29, 2011
7850063 Permanent seal legal envelope Dec. 14, 2010
7842362 Water-resistant wound paperboard tube Nov. 30, 2010
7838155 Aqueous electrolyte solution absorber and method for producing it Nov. 23, 2010
7785647 Methods of providing antioxidants to a drug containing product Aug. 31, 2010
7771555 Method of manufacturing strip tape and strip tape for container Aug. 10, 2010
7749525 Pest-impervious packaging material and pest-control composition Jul. 6, 2010
7740924 Labeled resin container Jun. 22, 2010
7727604 Smokeable planar or tubular-shaped food covering or film for food packagings, and method for the production thereof Jun. 1, 2010
7713561 Oil resistant packaging May. 11, 2010
7712700 Clean-release tape core May. 11, 2010
7670657 Patch bag having seal through patches Mar. 2, 2010
7666484 Ready to use food product packaging film and production method therefor Feb. 23, 2010
7662453 Microwavable and ovenable pack Feb. 16, 2010

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