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| Number | Title | Issue Date |
| 6399191 | Moisture resistant coated metal substrates The present invention relates to coated metal substrates such as metal piping having improved environmental stress crack resistance and resistance to hydrolytic and/or cathodic disbondment. The coating composition contains a blend of modified and unmodifi... | 06/04/2002 |
| 6077373 | Manufacture of multilayer polymer films A method for making multilayer polymer films with involves the use of preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axis. Multilayer film is made by passing two or more molten thermoplastic f... | 06/20/2000 |
| 5981692 | Semi-crystalline, semi-aromatic terpolymers with superior post-molding shrinkage and balance of mechanical performance This invention relates to high temperature, semi-crystalline, semi-aromatic nylon terpolymers with improved shrinkage resistance, made from terephthalic acid (TA), hexamethylene diamine (HMD) and/or 2-methyl pentamethylene diamine (2-MPMD) and another ali... | 11/09/1999 |
| 5972443 | Multilayer ethylene copolymer film A multilayer film and a pouch containing a flowable material are disclosed. The multilayer film is made from two layers of a sealant film with an interposed layer of a polyethylene. The sealant film is made from a material comprising 10 to 100 parts by we... | 10/26/1999 |
| 5959031 | Polyamide release film for use in the production of molded composite products A film for adhering to a molding paste composite during its manufacture, said film being formed from a blend of a film forming polyamide resin and at least one release agent material selected from the group consisting of N, N' ethylene bis amides of the f... | 09/28/1999 |
| 5753771 | Nucleophilic amine functionalized polyolefin This invention relates to a method of producing nucleophilic amine functionalized polyolefins by reacting a polymer carrying an electrophilic functional group with a diamine having amino end-groups having different reactivities. The nucleophilic amine fun... | 05/19/1998 |
| 5656717 | High pressure process for the manufacture of terephthalic acid copolyamides A process for the copolymerization of (1) a carboxylic acid comprising terephthalic acid and mixtures thereof with isophthalic acid with (2) a mixture of hexamethylene diamine and 2-methyl pentamethylene diamine. The pressure in the polymerization process... | 08/12/1997 |
| 5639819 | Polyamide compositions A mouldable reinforced polyamide composition comprising; (a) a polyamide consisting essentially of between about 0.5 and about 99.5 mol. % of aliphatic diamines having 4-12 carbon atoms and a complementary amount of 2-methyl-pentamethylene diamine copolymerize... | 06/17/1997 |
| 5618881 | Compatibilizer composition This invention relates to a composition to improve the mechanical properties of blends of polyolefins and polyesters and particularly relates to compatibilizers for polyethylene and polyester blends and the method relating to their production. One particu... | 04/08/1997 |
| 5604033 | Cross-linkable adhesive polymers An adhesive composition formed by admixing under melt conditions (a) 50-95% by weight of a moisture cross-linkable silane-grafted polyolefin having a melt viscosity of less than 100,000 cps, and (b) 5-50% by weight of a polyolefin grafted with at least on... | 02/18/1997 |
| 5502155 | Manufacture of partially aromatic polyamides A process for the manufacture of a partially aromatic polyamide is disclosed. The process comprises the polymerization stages of, in sequence, feeding to a reactor a slurry of at least one aromatic dicarboxylic acid and at least one aliphatic diamine, the... | 03/26/1996 |
| 5497909 | Reuseable pouch fitment A reuseable gasketless spout adaptable to conversion to a pump dispenser for fluid contained in a pouch made of inextensible film, comprises a spout-tube and a plunger with a conical tip, the plunger movable coaxially within the spout-tube. The spout is i... | 03/12/1996 |
| 5460870 | Polyurethane foam laminates A structure is disclosed comprising a layer of polyurethane foam bonded to at least one layer of another material, especially a layer of fibreglass matte, a layer of cellulosic material e.g. cardboard, and/or a layer of polyurethane foam. The layers are b... | 10/24/1995 |
| 5461110 | Cross-linkable adhesive polymers An adhesive composition formed by admixing under melt conditions (a) 50-95% by weight of a moisture cross-linkable silane-grafted polyolefin having a melt viscosity of less than 100 000 cps, and (b) 5-50% by weight of a polyolefin grafted with at least on... | 10/24/1995 |
| 5429273 | Apparatus for dispensing flowable materials from a pouch A dispenser of flowable materials from a pouch is disclosed. The pouch has an ear (55) at each of the ends of a transverse seal (53) located at one end of the pouch (57). The dispenser comprises i) a cylindrical container (33) having sides and an open top... | 07/04/1995 |
| 5419835 | Flow restrictor-separation device A method of partitioning a pre-selected phase of a sample of liquid having a plurality of phases of differing densities, a separation device and a tube containing the separation device. The sample of liquid is placed in a first chamber of a linear tube th... | 05/30/1995 |
| 5415818 | Flash spinning process for forming strong discontinuous fibres The process of this invention for making strong, discontinuous fibers from a polyolefin includes feeding a solution of polyolefin dissolved in an organic solvent at a pressure that is at least autogenous pressure to a spinneret. Plexifilamentary film-fibr... | 05/16/1995 |
| 5415724 | Heat sealing assembly for pouch-making packaging machines A heat sealing element and related self aligning support jaw, for sealing at least two layers of thermoplastic film is disclosed. It may be used with a vertical form, fill and seal machine for packaging flowable materials, e.g. chocolate fudge, sundae top... | 05/16/1995 |
| 5378800 | Terephthalic acid copolyamides A partially crystalline copolyamide formed from an aromatic carboxylic acid that is terephthalic acid or a mixture of terephthalic acid and isophthalic acid containing less than 40% of isophthalic acid, and an aliphatic diamine that is a mixture of hexame... | 01/03/1995 |
| 5355656 | Heat sealing element for packaging machines which make lap-sealed pouches A heat sealing element, for sealing and simultaneously cutting through at least two layers of thermoplastic film is disclosed. It is particularly adapted for use with a vertical form, fill and seal machine for packaging flowable materials, e.g. chocolate ... | 10/18/1994 |
| 5348211 | Joining of metallic pipe lined with thermoplastic polymer A method of joining two sections of metallic pipe (1), each of which has a thermoplastic polymer lining (3), to form corrosion resistant joints is disclosed. The method comprises inserting a sleeve (10) into each section of two pipes (1) that are to be jo... | 09/20/1994 |
| 5342499 | Monitoring and control of process streams at elevated temperatures A method and apparatus for the monitoring and control of concentration of an ion in a solution at an elevated temperature of at least 100° C. are disclosed. The method comprises the steps of contacting a first electrode with a flowing first solution cont... | 08/30/1994 |
| 5330808 | Polyolefin bottles with glossy surface A bottle having a glossy surface, with a gloss of at least 50 on its external surface. The bottle has its external surface formed from a polymer selected from linear polyethylene having a density of at least about 0.940 g/cm3, a melt index of l... | 07/19/1994 |
| 5330074 | Apparatus for dispensing flowable materials from a pouch An improved piston for a pouch dispenser is disclosed. The dispenser is adapted to contain a pouch of flowable material, and has a lid to keep the pouch within the dispenser and a piston which is adapted to move toward the lid and press against a first en... | 07/19/1994 |
| 5325995 | Piercing nozzle for pouch fitment An improved nozzle for piercing and draining a wide variety of fluid materials, such as milk, juice, relish and ketchup, from pouches of plastic film. The piercing nozzle is easily inserted into plastic pouches and is designed to provide that, after initi... | 07/05/1994 |
| 5326416 | Heat sealing jaw assembly with film slackener A heat sealing assembly, for sealing through at least two layers of thermoplastic film is disclosed. It is particularly adapted for use with a vertical form, fill and seal machine for packaging flowable materials. The heat sealing assembly comprises two j... | 07/05/1994 |
| 5316713 | Rubber tube manufacture, with film laminate overwrap A process for the manufacture of tubular rubber articles includes a) forming a tube of uncured rubber on a mandrel; b) wrapping the tubular rubber by winding with a film laminate including i) at least one layer of a heat stabilized, oriented nylon film ha... | 05/31/1994 |
| 5302691 | Manufacture of terephthalic acid/2-methylpentamethylene diamine/hexamethylene diamine copolyamides A process for the copolymerization of (1) a carboxylic acid consisting of terephthalic acid and mixtures thereof with isophthalic acid with (2) a mixture of hexamethylene diamine and 2-methyl pentamethylene diamine. The combined amount of isophthalic acid... | 04/12/1994 |
| 5249711 | Disposable dispensing pipette Apparatus for dispensing blood or blood components from a stoppered vial containing such components. The apparatus comprises a combination of a flexible elongated hollow cone, a unitary cap and a dispensing end. The flexible elongated hollow cone tapers f... | 10/05/1993 |
| 5250334 | Coffee web A laminate, suitable for packaging coffee, is disclosed. It consists of a) a base film of biaxially oriented polyester film or biaxially oriented nylon film, b) a gas barrier layer of aluminum and c) an oriented linear low density polyethylene film. The p... | 10/05/1993 |
| 5247779 | Self voiding jaw for packaging machine A heat sealing device adapted for the clamping jaws of form, fill and seal machines. The heat sealing device in a single operation produces a transverse seal in thermoplastic film, tubular containers and severs the tube to simultaneously close the top of ... | 09/28/1993 |
| 5213668 | Monitoring and control of process streams at elevated temperatures A method and apparatus for the monitoring and control of concentration of an ion in a solution at an elevated temperature of at least 100° C. are disclosed. The method comprises the steps of contacting a first electrode with a flowing first solution cont... | 05/25/1993 |
| 5205886 | Method of lining metallic pipe using concentric tubes of thermoplastic polymer and tear resistant material An improved method of inserting a liner into a metallic pipeline is disclosed. The liner is formed from a plurality of concentric tubes that are enveloped in a flexible, expansible, tear resistant material. When the concentric tubes are pulled into the pi... | 04/27/1993 |
| 5195240 | Method for the manufacture of thermoplastic panel heat exchangers A method for the manufacture of panel heat exchangers from thermoplastic polyamides. At least one sheet is coated with a coating that facilitates bonding of the polymer to itself under the influence of heat. Two sheets, at least one of which has been coat... | 03/23/1993 |
| 5194514 | Microwave treatment of polymer A process for increasing the molecular weight of a polymer, comprising subjecting said polymer to electromagnetic radiation in the presence of a paramagnetic metallic catalyst for a sufficient period of time to significantly increase the molecular weight ... | 03/16/1993 |
| 5188787 | Process for the injection moulding of multi-layered articles This invention relates to an injection moulding process for the manufacture of multi-layered articles, especially articles having barrier properties. The process includes clamping a thermoplastic film over the cavity of a mould of an injection moulding pr... | 02/23/1993 |
| 5180458 | Method of lining of metallic pipe using a plurality of concentric flexible tubes of thermoplastic polymer A method of lining of metallic pipe is disclosed. The method comprises forming a plurality of concentric flexible tubes of a thermoplastic polymer, such tubes being capable of being bonded together under the influence of heat and pressure. The plurality o... | 01/19/1993 |
| 5173539 | Concentrates of modifying agents in polymers A concentrate comprising a carrier polymer and at least 30%, by weight of the carrier polymer, of at least one modifying agent for a thermoplastic polymer is disclosed. The carrier polymer is a polymer of alpha-olefins having a heat of crystallization of ... | 12/22/1992 |
| 5169900 | Polyolefin coatings and films having release characteristics Polyolefin coatings and films that may be used as release sheets, processes for the manufacture thereof and the related compositions are disclosed. The release sheets are formed from a composition of polyolefin, a dimethyl polysiloxane having functional e... | 12/08/1992 |
| 5169696 | Film laminate with easy TD tear A transversely tearable film and pouches made therefrom are disclosed. The transversely tearable laminate comprises a machine direction oriented linear low density polyethylene film adhesively laminated on at least one side to a sealant film, the sealant ... | 12/08/1992 |
