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| Number | Title | Issue Date |
| 4770944 | Polymeric structure having improved barrier properties and method of making same A polymeric structure having an oxygen barrier layer (e.g., ethylene-vinyl alcohol copolymer) is heated in the presence of moisture to improve its resistance to oxygen and moisture penetration. A drying agent is incorporated in the multi-layer structure t... | 09/13/1988 |
| 4731268 | Multiple layer sheet material The invention is an improved multiple layer packaging sheet material which can be formed into closed and sealed packages suitable for holding products containing substantial fractions of cyanoacrylate. The invention depends on the positioning of high dens... | 03/15/1988 |
| 4717618 | Film and blends of polyetheramide block copolymer and ethylene vinyl alcohol copolymer Ethylene vinyl alcohol copolymer is blended with polyetheramide block copolymer to form a novel composition of matter. The blended composition can be extruded and/or coextruded to make packaging films. In the most preferred embodiments, the blend is conta... | 01/05/1988 |
| 4716829 | Method for removing solids from substrates and preventing solids build-up thereon Method and apparatus are disclosed for removing dried solids, and substantially preventing the accumulation of dried solids on equipment which is used to transfer liquids having components therein capable of forming a solid phase at conditions of operatio... | 01/05/1988 |
| 4712990 | Apparatus for injection molding and injection blow molding multi-layer articles Apparatus for unit cavity and multi-cavity, multi-layer injection molding and injection blow-molding machines are provided, which in preferred embodiments, include one or more co-injection nozzle means each having a central channel, at least two passagewa... | 12/15/1987 |
| 4705708 | Multi-laminate structure containing a scrap layer and containers made therefrom A multi-layer laminate structure comprises a separate layer of scrap produced from the several thermoplastic resins used in making the laminate structure. In a preferred construction, the multi-layer laminate structure comprises an outer thermoplastic pol... | 11/10/1987 |
| 4704314 | Film and package having strong seals and a modified ply-separation opening The invention discloses a multiple layer packaging film, packages made therefrom and a method of opening the packages. The invention provides inseparable seal strength and in some cases hermetic seals, in combination with peelable ply separation opening f... | 11/03/1987 |
| 4702966 | Oxygen scavenger This disclosure includes an activatable oxygen scavenger used as a part of a packaging structure for comestibles.... | 10/27/1987 |
| 4700531 | Method of forming a package having strong seals and a modified ply-separation opening The invention discloses a multiple layer packaging film, packages made therefrom and a method of opening the packages. The invention provides inseparable seal strength and in some cases hermetic seals, in combination with peelable ply separation opening f... | 10/20/1987 |
| 4698247 | Multiple layer sheet material The invention is an improved multiple layer packaging sheet material which can be formed into closed and sealed packages suitable for holding products containing substantial fractions of cyanoacrylate. The invention depends on the positioning of high dens... | 10/06/1987 |
| 4695492 | Forming lubricant for a coated metal container and method of making the same A metal container comprising a seamless body and an end wall integral therewith and having on at least its interior surface a protective coating which consists of a modified butyl stearate utilized as a lubricant in forming the container and an after-appl... | 09/22/1987 |
| 4687688 | Oriented multiple layer films and bags made therefrom A three layer oriented film, packages made from the oriented films, and packaging methods using the oriented film. Each layer of the film is molecularly oriented. A first outer layer of the film is nylon 6. The other outer layer of the film is a blend of ... | 08/18/1987 |
| 4685591 | Dispensing tube package The invention is in an improved packaging tube and the packages, containing product, made therefrom. The packaging is suitable for holding products containing substantial fractions of cyanoacrylate-type components. The invention depends on the use of spec... | 08/11/1987 |
| 4685273 | Method of forming a long shelf-life food package A container body made of thermoplastic materials, after being filled with a hot liquid, is then sealed by a flat closure disc adhesively contacting a peripheral lip formed around the top of the body. The bottom of the container body is formed with annular... | 08/11/1987 |
| 4683170 | Nylon copolymer and nylon blends and films made therefrom A novel composition of matter having surprising physical properties when fabricated into multiple layer films is disclosed. The composition is generally a blend of nylon 6 with a nylon copolymer comprised of nylon 6 and a second nylon polymer. The second ... | 07/28/1987 |
| 4667454 | Method of obtaining acceptable configuration of a plastic container after thermal food sterilization process A method is provided for obtaining an acceptable configuration of a thermally processed container packed with food. Improvement in container configuration is attained by proper container design, by maintaining proper headspace of gases in the container du... | 05/26/1987 |
| 4665135 | Nylon blends and films made therefrom A novel composition of matter having surprising physical properties when fabricated into multiple layer films is disclosed. The composition is generally a blend of nylon 6 with a nylon copolymer comprised of nylon 6 and a second nylon polymer. The second ... | 05/12/1987 |
| 4661414 | Multi-layer flexible packaging material A flexible, laminated packaging material comprising: (a) an external layer of paper; (b) a first internal layer of polyethylene affixed to the paper layer; (c) a second internal layer of metallic foil affixed to the polyethylene layer; and (d) an external, three co... | 04/28/1987 |
| 4658979 | Propellant filling and sealing valve A non-venting propellant filling and sealing valve is adapted to be seated in a propellant filling hole in a bottom wall of a container and permits pressurization of a container through the hole and thereafter seals the container. The propellant filling a... | 04/21/1987 |
| 4659408 | Multi-layer sheet structure, method of making same and containers made therefrom A multi-layer paperless sheet structure having an oriented substructure is provided for making tubular containers for packaging dentrifice and other products. The sheet structure comprises a unique combination of polymer layers, including a uniaxially ori... | 04/21/1987 |
| 4655358 | Bottom profile This disclosure relates to the bottom profile on a one gallon metal paint can and more particularly to the specific concentric circular re-enforcing bends and beads applied to profile the bottom. In order to increase the static and dynamic strength of the... | 04/07/1987 |
| 4647483 | Nylon copolymer and nylon blends and films made therefrom A novel composition of matter having surprising physical properties when fabricated into multiple layer films is disclosed. The composition is generally a blend of nylon 6 with a nylon copolymer comprised of nylon 6 and a second nylon polymer. The second ... | 03/03/1987 |
| 4642968 | Method of obtaining acceptable configuration of a plastic container after thermal food sterilization process A method is provided for obtaining an acceptable configuration of a thermally processed plastic container packed with food. Improvement in container configuration is attained by proper container design and by maintaining proper headspace of gases in the c... | 02/17/1987 |
| 4640852 | Multiple layer films containing oriented layers of nylon and ethylene vinyl alcohol copolymer A multiple layer sheet structure has oriented layers of nylon and EVOH. Additional layers may or may not be utilized, and may or may not be oriented. Where additional layers are used, one of the additional layers, on the exterior surface of the structure,... | 02/03/1987 |
| 4637117 | Method for deep drawing thin metal stock into containers and thereafter coating each container A lubricant is provided to help in drawing containers such as cans from tinplate or coated tin free steel and to assist the metal forming process during drawing. The lubricant is formulated to permit a post spray without removal of the lubricant thereby e... | 01/20/1987 |
| 4635545 | Apparatus for marking moving articles Apparatus for marking continuously moving objects, wherein the marking device is caused to move during the marking process. The marking device may comprise a die guided to enable its movement with the object to a determined displacement, or, alternatively... | 01/13/1987 |
| 4626456 | Laminate structure for collapsible dispensing container A plastic laminate sheet for making collapsible dispensing container comprises an outer layer of filled-plastic made of polypropylene or a blend of polypropylene, and high density polyethylene, and a filler, preferably calcium carbonate, incorporated ther... | 12/02/1986 |
| 4617240 | Coextruded film of polypropylene, polypropylene blend, and nylon A novel coextruded plastic film has as an adhesive layer between polypropylene and nylon layers, a blend of polypropylene and a graft copolymer of maleic anhydride onto a polypropylene backbone, the graft copolymer having been produced in a reaction carri... | 10/14/1986 |
| 4615926 | Film and package having strong seals and a modified ply-separation opening The invention discloses a multiple layer packaging film, packages made therefrom and a method of opening the packages. The invention provides inseparable seal strength and in some cases hermetic seals, in combination with peelable ply separation opening f... | 10/07/1986 |
| 4615922 | Oriented polymeric film Molecularly oriented plastic films have five molecularly oriented layers. A first layer provides a barrier to gaseous transmission through the film and has a composition of 0% to 50% nylon or nylon copolymer, and conversely 50% to 100% ethylene vinyl alco... | 10/07/1986 |
| 4610914 | Oriented films of blends of EVOH copolymer A highly desirable blend has ethylene vinyl alcohol copolymer blended with a thermoplastic polymer composition. Preferred blends are compatible when the blend is formed into a film and oriented. The invention contemplates the blend composition, the blend ... | 09/09/1986 |
| 4595434 | Collapsible dispensing tube with an orifice sealed with multi-layer sealant sheet material A collapsible dispensing tube has a multi-layer sheet material sealed over its dispensing orifice to provide a hermetically sealed tube. The multi-layer sealant sheet comprises two layers of metal foil separated by a polymer layer firmly adhered to the me... | 06/17/1986 |
| 4590106 | Heat resistant heat shrinkable films A three layer heat shrinkable film is disclosed, along with preferred process for making it. The film comprises a first heat sealable layer of an ionomer, a second layer of a vinylidene chloride copolymer, and a third layer of a blend of an ionomer and an... | 05/20/1986 |
| 4588648 | Multiple layer plastic film having polypropylene adhered to nylon A novel coextruded plastic film has, as an adhesive layer between polypropylene and nylon layers, a blend of polypropylene and a graft copolymer of maleic anhydride onto an olefin polymer or copolymer, the adhesive blend containing from about 0.005% to 0.... | 05/13/1986 |
| 4579757 | Plastic containers for use in packaging and thermal processing of comestibles Off-flavor development is alleviated, or substantially minimized, in thermally processed comestibles packed in plastic containers. The container wall which is in contact with the comestibles is made of a polymer (e.g., polyethylene) containing low vinyl g... | 04/01/1986 |
| 4579495 | Environmental retained tab ends This invention relates in general to new and useful improvements to easy opening container ends. More particularly, it relates to a new improved method of forming a hinged connection between a tab and an end panel.... | 04/01/1986 |
| 4568000 | Laminate web produced with polyacrylic acid complex primer A laminate web, suitable for conversion into a container for degenerative products, is produced from aluminum foil and an extrusion coating of an ethylene/acrylic acid-type copolymer, utilizing a polyacrylic acid chromium complex primer to enhance the bon... | 02/04/1986 |
| 4568261 | Apparatus for making a multi-layer injection blow molded container Apparatus for making a rigid container by injection molding a parison having plural layers of polymers. The parison is blow molded to the final shape of the container. Control during injection is exercised over each of the plural polymers so as to produce... | 02/04/1986 |
| 4563887 | Controlled spin flow forming A system and apparatus for roll forming to neck-in D&I cans ends and replace double necks and triple necks is disclosed. An externally disposed free roll is moved inward and axially against the outside wall of the open end of a trimmed can. A spring loade... | 01/14/1986 |
| 4557780 | Method of making an oriented polymeric film Molecularly oriented plastic films have five molecularly oriented layers. A first layer provides a barrier to gaseous transmission through the film and has a composition of 0% to 50% nylon or nylon copolymer, and conversely 50% to 100% ethylene vinyl alco... | 12/10/1985 |
