Patents Examined by Charles Nold
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Patent number: 5612104Abstract: A five-layer, tubular polyamide film for wrapping and/or covering pasty foodstuffs, in particular for use as a sausage casing, in which the film is made up of an inner layer and an outer layer made of the same polyamide material consisting of at least one at least one aliphatic polyamide and/or at least one aliphatic copolyamide and/or at least one partly aromatic polyamide and/or at least one partly aromatic copolyamide, a middle polyolefin layer, and two bonding agent layers each made of the same material. The proportion of partly aromatic polyamide and/or copolyamide is 5 to 60%, in particular 10 to 50%, relative to the total weight of the polymer mixture of partly aromatic and aliphatic polyamides and copolyamides.Type: GrantFiled: July 19, 1995Date of Patent: March 18, 1997Assignee: Naturin GmbHInventor: Hartmut Grund
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Patent number: 5603995Abstract: A bag with a snap zipper according to the present invention has a bag body produced to cause the snap zipper to fuse via a portion for fusion to the bag body to a layer composed of a polyester type resin on the bag body. In the present invention, at least a portion in the snap zipper to be fused to the bag body is made of a material mainly composed of a polyester type elastomer or a polybutylene terephthalate (PBT) resin and that the resin of the portion for fusion has a bending modulus of elasticity of 10,000 kg/cm.sup.2 or below. At least its portion for fusion is made of a material having a composition including polyester type elastomer and a polyolefin type resin or polybutylene terephthalate (PBT) resin and a polyolefin type resin and that the content of the polyolefin type resin in the composition is 3 to 50% by weight.Type: GrantFiled: October 10, 1995Date of Patent: February 18, 1997Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Toyokazu Takubo, Ken-Ichi Tanaka
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Patent number: 5601891Abstract: A plastic container made from a fusion blend of a post consumer resin and a high density polyethylene copolymer resin. The post consumer is primarily a high density homopolymer and may contain small amounts of colored plastic containers and propylene resin. The physical properties of the container including stress crack resistance are maintained as contrasted to the loss of such physical properties that have been heretofore resulted from the use of post consumer resins.Type: GrantFiled: March 29, 1994Date of Patent: February 11, 1997Assignee: Owens-Illinois Plastic Products Inc.Inventors: James N. Herman, James M. Fargher
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Patent number: 5601893Abstract: This invention relates to a flexible metal pipe covered with an impermeable sheath of a shrinkable, preferably semicrystalline polymer or polymers, characterized in that it incorporates between the shrinkable polymer sheath and the metal pipe an intermediate elastomer layer (8), optionally vulcanized or reticulated, and/or a TPE in the form of a continuous tubular sleeve (FIG. 3) or of a tape (FIG. 4 to 6). Sheathed pipes of this type are particularly suitable for flexible pipelines, optionally with suitable supports, for carrying oil and gas.Type: GrantFiled: November 17, 1994Date of Patent: February 11, 1997Assignees: Elf Atochem S.A., Coflexip S.A.Inventors: Albert Strassel, Jean Hardy
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Patent number: 5599598Abstract: The present invention relates to a multilayered hollow plastic article having an inner first portion of thermoplastic material and an outer second portion of pressure molded thermoplastic material. The second portion of thermoplastic material extends from the closed bottom of the article to the open neck of the article, and the first portion of thermoplastic material extends from the closed bottom to below the neck region of the article. The present invention also relates to the method for preparing said article.Type: GrantFiled: April 3, 1995Date of Patent: February 4, 1997Assignee: Husky Injection Molding Systems Ltd.Inventor: Emery I. Valyi
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Patent number: 5599597Abstract: Unreinforced or reinforced concrete moldings, for example concrete pipes, with improved corrosion resistance to acids and acidic sewage, improved permeation resistance to inorganic and organic liquids and gases and improved mechanical stability, produced by molding with machines, for example in press molding machines or extrusion machines or concrete pipe pressing machines, and allowing to harden plastic-viscous concrete mixtures of hydraulic inorganic binders, preferably cement, aggregates and water, where, in the preparation of the plastic-viscous concrete mixtures, to the latter has been added in a positive mixer an effective amount of an aqueous plastics dispersion based on anionic and hydrolysis-resistant copolymers of ethylenically unsaturated monomers, the minimum film forming temperature (MFT) of which is above the setting temperature of the concrete mixture, preferably above 23.degree. C.Type: GrantFiled: December 16, 1994Date of Patent: February 4, 1997Assignee: Hoechst AktiengesellschaftInventors: Volkmar Berg, Helmut Rinno
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Patent number: 5597631Abstract: The present invention relates to a novel composite material, that is, a prepreg, obtained by bonding a film (1) comprised of an organic polymer having substantially no melting point and having a high modulus of 700 kg/mm.sup.2 or more and a high strength of 35 kg/mm.sup.2 or more and a resin layer (2) and/or fiber-reinforced layer (3), a composite molded body, a method of manufacturing a composite molded body.The composite molded body obtained by bonding the film (1) and the resin layer (2) of the present invention has superior strength, excellent pliability, and large toughness in all directions. Further, the composite molded body obtained by bonding the film (1) and the fiber-reinforced resin layer (3) has both an extremely large impact resistance which could never be obtained with conventional molded bodies and also a strength and modulus greater than in the past. The molded body can be suitably used for aerospace equipment, sports goods, leisure goods, etc.Type: GrantFiled: February 12, 1993Date of Patent: January 28, 1997Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Goro Furumoto, Takashi Fujiwara, Tsuneo Igarashi
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Patent number: 5593788Abstract: An organic electroluminescent device of improved efficiency and operational stability has been disclosed. The device comprises of an anode and a cathode, and an organic electroluminescent element disposed between the anode and cathode. Characterized in the organic electroluminescent element is at least one fluorescent emitting layer containing a mixture of two or more materials. The mixture contains a quinacridone compound of the formula: ##STR1## where R.sub.3 and R.sub.4 are independently alkyl, aryl, fused aryl or halogen; and R.sub.5 and R.sub.6 are independently alkyl, substituted alkyl, aryl, or substituted aryl; and n=0, 1, 2 or 3.Type: GrantFiled: April 25, 1996Date of Patent: January 14, 1997Assignee: Eastman Kodak CompanyInventors: Jianmin Shi, Ching W. Tang
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Patent number: 5585153Abstract: A method for applying a decorative coating to glass and the resulting glass products.Type: GrantFiled: April 28, 1995Date of Patent: December 17, 1996Assignee: Revlon Consumer Products CorporationInventors: Melvin E. Kamen, Bhupendra Patel, Phillip Bernstein
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Patent number: 5585202Abstract: A radiographic phosphor panel having an organolead reducing agent. The phosphor panel has a support and a luminescent layer overlaying the support. The luminescent layer can include phosphor crystals, binder and organolead reducing agent. The organolead reducing agent has a concentration sufficient to substantially increase the photostimulated luminescence of the panel.Type: GrantFiled: April 24, 1995Date of Patent: December 17, 1996Assignee: Eastman Kodak CompanyInventors: Joseph F. Bringley, Philip S. Bryan
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Patent number: 5580623Abstract: Methods and compositions are provided for preparing storage stable partially neutralized acid compositions. The partially neutralized acid compositions are amenable to prolonged periods of storage. Following storage, the acids can be neutralized with a calcium neutralizing source and combined with a lubricant to form a rapidly setting calcium phosphate mineral suitable for a variety of purposes, e.g. bone replacement.Type: GrantFiled: June 6, 1995Date of Patent: December 3, 1996Assignee: Norian CorporationInventors: Mark Fulmer, John Ross, Brent Constantz
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Patent number: 5571584Abstract: In accordance with the present invention, there are provided blow molded articles which are composed of specific copolyesters or specific polyester resin compositions and which are highly oriented so that the stretch index as defined by the following equations becomes not less than 130 cm. ##EQU1## The blow molded articles thus provided are excellent in transparency and also excellent in moldability and gas barrier properties and, moreover, excellent also in economical efficiency.Type: GrantFiled: May 15, 1995Date of Patent: November 5, 1996Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Kazuhito Yamamoto, Hiroji Niimi, Yoji Yamamoto, Susumu Hatabu
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Patent number: 5571359Abstract: A pigmented ink composition comprising a radiation curable component and a pyrrolopyrrol or isoindolinone pigment; a method for decorating a substrate with the pigmented ink compositions; and a method for decorating a substrate with hot stamping foil and the pigmented ink compositions.Type: GrantFiled: February 22, 1994Date of Patent: November 5, 1996Assignee: Revlon Consumer Products CorporationInventors: Melvin E. Kamen, Bhupendra Patel
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Patent number: 5571585Abstract: Disclosed is a resin-coated pipe, which is obtainable by extrusion coating a tubular base with a resin composition comprising 5 to 30% by weight of a component A and 95 to 70 by weight of a component B. Component A: an ethylene-.alpha.-olefin copolymer resin in which the melt flow rate at a temperature of 190.degree. C. and under a load of 2.16 kg is 0.01 to 50 g per 10 min., the density is 0.910 g/cm.sup.3 or below, and the maximum fusion peak temperature as measured by a differential scanning calorimeter is 60.degree. C. or above. Component B: crystalline polypropylene, in which the melt flow rate at a temperature of 190.degree. C. and under a load of 2.16 kg is 0.1 to 10 g per 10 min. The resin-coated pipe, using the above resin composition which is excellent in processibility, is excellent in the mechanical strength, normal and low temperature impact resistance, heat resistance, chipping resistance and coating surface appearance.Type: GrantFiled: December 27, 1994Date of Patent: November 5, 1996Assignee: Sumitomo Chemical Company LimitedInventors: Jiichirou Yoshida, Syoich Nezu, Junichi Ono
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Patent number: 5567488Abstract: An oxygen and moisture impermeable multilayer barrier film is provided including a barrier layer comprising a homopolymer of vinylidene chloride or a copolymer of vinylidene chloride and vinyl chloride or methyl methacrylate. The barrier layer is coextruded with or laminated to at least one heat sealable skin layer comprising a thermoplastic polyurethane, a substantially linear copolymer of ethylene and an .alpha.-olefin, or a homogeneously-branched linear olefin resin to form the barrier film. The multilayer film may be used for reusable ostomy bags, for systems for the transdermal delivery of drugs, and for heat sealable bags used in packaging.Type: GrantFiled: March 23, 1994Date of Patent: October 22, 1996Assignee: The Dow Chemical CompanyInventors: Scott I. Allen, Michael Ferguson, Harvey Tung
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Patent number: 5567491Abstract: Containers, which are impervious to hydrocarbon vapors, in particular to fuel vapors, and comprise an outer shell of plastic material, which is coated with a polyamide layer at least on the surface in contact with the fuel.Said containers are used in the sector of the fuel industry, in particular in the automotive industry, as tanks for automobiles and motor vehicles.Type: GrantFiled: January 31, 1995Date of Patent: October 22, 1996Assignee: Montedipe S.r.l.Inventors: Annibale Vezzoli, Aldemaro Ciaperoni, Piero Furlan
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Patent number: 5567489Abstract: An oxygen and moisture impermeable multilayer barrier film which is free of halogens and which may be produced by coextrusion or lamination techniques is provided. The film provides excellent adhesion between layers, has quietness, odor barrier, and softness characteristics, and provides a heat sealable surface for the fabrication of bags. The barrier film includes a halogen-free barrier layer and at least one heat sealable skin layer. The heat sealable skin layer includes either a thermoplastic polyurethane, a substantially linear copolymer of ethylene and an .alpha.-olefin having a density in the range of from about 0.87-0.92 gm/cc and from about 0.01 to 3 long chain branches/1000 carbon atoms along the polymer backbone, a homogeneously-branched linear polyolefin resin, or a blend of an ultra low density polyolefin resin with a copolymer of ethylene and vinyl acetate.Type: GrantFiled: March 23, 1994Date of Patent: October 22, 1996Assignee: The Dow Chemical CompanyInventors: Scott I. Allen, Michael Ferguson, Harvey Tung
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Patent number: 5565160Abstract: A squeezable tubular container (a) which is formed from a composition containing a polyethylene having a density of 0.900 to 0.975 g/cm.sup.3 and an ethylene/.alpha.-olefin copolymer having a density smaller than 0.900 g/cm.sup.3, (b) has a crosslinking caused under irradiation with electron beam, and (c) is sterilizable at a high temperature or is heat-sealable or ultrasonically sealable; and a process for the production thereof.Type: GrantFiled: May 30, 1995Date of Patent: October 15, 1996Assignees: Mitsui Petrochemical Industries, Ltd., Yoshino Kogyosho Co., Ltd., Japan Atomic Energy Research InstituteInventors: Keizo Makuuchi, Fumio Yoshii, Yasuo Futami, Masanobu Ishiyama, Gen Miyamoto, Hideo Kushida, Sei Nakajima, Takahiro Kurihara, Ryoji Sugawara, Hideshi Kawachi, Mikio Nakagawa
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Patent number: 5562874Abstract: A coextruded multilayer film having increased retention of volatile antioxidants and process for making the film. The multilayer film includes an antioxidant layer containing a volatile antioxidant, said antioxidant layer being semipermeable to the volatile antioxidant; and a barrier layer, impermeable to the volatile antioxidant. The film can be produced on a conventional blown film process with the barrier layer coextruded externally to the antioxidant layer. The barrier layer traps the volatile antioxidant inside the tube of the blown film process, reducing the amount of volatile antioxidant migrating from the film.Type: GrantFiled: December 17, 1993Date of Patent: October 8, 1996Assignee: Dowbrands L.P.Inventors: Zain E. Saad, Carlton E. Beyer
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Patent number: 5556675Abstract: In accordance with the present invention, there are provided blow molded articles which are composed of specific copolyesters or specific polyester resin compositions and which are highly oriented so that the stretch index as defined by the following equations becomes not less than 130 cm. ##EQU1## The blow molded articles thus provided are excellent in transparency and also excellent in moldability and gas barrier properties and, moreover, excellent also in economical efficiency.Type: GrantFiled: May 15, 1995Date of Patent: September 17, 1996Assignee: Mitsui Petrochemical Industries Ltd.Inventors: Kazuhito Yamamoto, Hiroji Niimi, Yoji Yamamoto, Susumu Hatabu