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Class Information
Number: 428/36.9
Name: Stock material or miscellaneous articles > Hollow or container type article (e.g., tube, vase, etc.) > Polymer or resin containing (i.e., natural or synthetic) > Open-ended, self-supporting conduit, cylinder, or tube-type article
Description: Article* which is tubular or cylindrical, has openings at both ends, and which can hold its own structure without the aid of a filler or support.

Sub-classes under this class:

Class Number Class Name Patents
428/36.91 Multilayer (continuous layer) 1,440

Patents under this class:

Patent Number Title Of Patent Date Issued
8709595 Myoglobin blooming agents, films, packages and methods for packaging Apr. 29, 2014
8709564 Polyolefin and composition for pipe systems and sheets Apr. 29, 2014
8709563 Electrical conduit containing a fire-resisting thermoplastic composition Apr. 29, 2014
8709562 Hybrid fiber constructions to mitigate creep in composites Apr. 29, 2014
8709557 Support core for cold shrink tube Apr. 29, 2014
8703262 Polyolefin and composition for pipe systems and sheets Apr. 22, 2014
8703261 Photoluminescent sleeve Apr. 22, 2014
8691354 Resin and pipes for transporting water containing chlorine dioxide Apr. 8, 2014
8685515 Refrigerant-transporting hose Apr. 1, 2014
8685514 Composite pipes and method making same Apr. 1, 2014
8685511 Pet container and compositions having enhanced mechanical properties and gas barrier properties Apr. 1, 2014
8685509 Casing for a writing instrument and method of manufacturing the same using a dual injection molding Apr. 1, 2014
8673418 Composite core densification Mar. 18, 2014
8673417 Hose for gasohol fuel Mar. 18, 2014
8668969 Myoglobin blooming agent containing shrink films, packages and methods for packaging Mar. 11, 2014
8663805 Vehicle-mounted heat-resistant hose Mar. 4, 2014
8663767 Hollow profile used in the manufacture of a pipe Mar. 4, 2014
8652605 Method for producing a tubular hollow body, and tubular hollow body Feb. 18, 2014
8652604 Low migration polyolefin composition Feb. 18, 2014
8648147 Melt-fabricable perfluoropolymers having improved heat aging property Feb. 11, 2014
8648126 Radiation-curable coating compositions Feb. 11, 2014
8647728 Oxygen scavenging resin with short induction period Feb. 11, 2014
8647551 Process for producing moldings with an increase in the melt stiffness Feb. 11, 2014
8642149 Hose for transporting refrigerant Feb. 4, 2014
8637608 Azide-containing fluoropolymers and their preparation Jan. 28, 2014
8637132 Polymeric marker with high radiopacity for use in medical devices Jan. 28, 2014
8637131 Poly(phenylene ether) article and composition Jan. 28, 2014
8637126 Biodegradable paper-based laminate with oxygen and moisture barrier properties and method for making biodegradable paper-based laminate Jan. 28, 2014
8627840 Pipes for transporting water containing chloramine Jan. 14, 2014
8623484 Injection stretch blow molded articles and polymers for use therein Jan. 7, 2014
8623483 Copolyesters containing neopentyl glycol and 2,2,4,4-tetraalkyl 1,3-cyclobutanediol Jan. 7, 2014
8623479 Packaging articles, films and methods that promote or preserve the desirable color of meat Jan. 7, 2014
8617681 Method and apparatus for producing labeled, plastic foam containers, and product of same Dec. 31, 2013
8617676 Preform for producing plastic containers in a two-stage stretch blow-moulding process Dec. 31, 2013
8613991 Multilayer tube with an aluminum alloy core tube Dec. 24, 2013
8609249 Thin wall expandable polymer tubes having improved axial and radial strength, and a method of manufacturing thereof Dec. 17, 2013
8604139 Extrusion profile articles Dec. 10, 2013
8604138 Extrusion blow molded articles Dec. 10, 2013
8603600 Polyamide resin compositions Dec. 10, 2013
8597750 Polyester resin composition, method for producing same and molded body Dec. 3, 2013
8597748 Preform for making plastic container Dec. 3, 2013
8592018 Tube and medical device using same Nov. 26, 2013
8586163 Beta-nucleated propylene copolymer Nov. 19, 2013
8586162 Electroconductive endless belt Nov. 19, 2013
8580366 Hose for refrigerant transport use Nov. 12, 2013
8580363 Flexible multilayer structure for tubes Nov. 12, 2013
8580362 Silicone products and methods for making silicone products Nov. 12, 2013
8575269 Transparent, tough and rigid molding compositions based on styrene-butadiene block copolymer mixtures Nov. 5, 2013
8574697 Use of a polyamide molding compound for lining conduits Nov. 5, 2013
8574693 Heat-resistant poly-L-lactic acid preform Nov. 5, 2013

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