| Patent Number |
Title Of Patent |
Date Issued |
| D363353 |
Axial spin centrifuge |
October 17, 1995 |
|
| 6776831 |
High temperature and high humidity release coating for polymer film |
August 17, 2004 |
| The present invention relates to a release coating composition that may be applied to a film that may then be used as a substrate useful for applications requiring release for a broad range of temperatures and high humidity conditions, which temperatures may range from about 20.degree. C |
| 6767599 |
Process for manufacturing pouches of ethylene copolymer film for containing a flowable material |
July 27, 2004 |
| A process for making pouches filled with a flowable material, using a vertical form, fill and seal apparatus, wherein the pouch is made from a blown film formed from a blend comprising a linear polymer of ethylene with at least one C.sub.4 -C.sub.10 alpha-olefin manufactured in a sin |
| 6753055 |
Heat exchangers containing liquid crystalline polymer layers |
June 22, 2004 |
| Heat exchangers which have heat exchange structures made from at least one layer of an isotropic polymer and at least one layer of a thermotropic liquid crystalline polymer are particularly useful where light weight is important, such as in automobiles, trucks and aircraft. |
| 6548572 |
Surface printing inks and coatings for use |
April 15, 2003 |
| This invention relates to non-aqueous coating and ink formulations for use on flexible film or paper packages for food, which require aseptic packaging conditions. The printed and coated packaging materials, and methods of aseptic packaging, as well as the aseptic packages are also d |
| 6465107 |
Silicone-containing polyolefin film |
October 15, 2002 |
| A silicone-containing resin, film and film on a subweb are described. The resin and film are formed from (i) polyolefin, (ii) dimethyl polysiloxane having functional end-groups, (iii) vinyl silane compound, and (iv) ultra-high molecular weight silicone polymer optionally using (v) an |
| 6380320 |
Process for preparing anhydride-grafted polymers with improved color |
April 30, 2002 |
| There is provided a process for improving the color of anhydride-grafted polymers. The process includes the steps of admixing in an extruder a polyolefin, a free radical initiator, and an anhydride-providing monomer at a temperature above the melting point of the polyolefin, adding an |
| 6364652 |
Manufacture of liquid crystalline polymer films |
April 2, 2002 |
| An apparatus and method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes. Film made by passing a liquid |
| 6355769 |
Partially aromatic polyamides and a process for making them |
March 12, 2002 |
| A process for making partially aromatic polyamides is provided in which an aromatic dicarboxylic acid component, at least 20-100% by weight of the dicarboxylic acid in the acid component is in the form of an alkylated ester, and a diamine component, comprising a diamine having from 6-12 |
| 6331595 |
Grafting of monomers onto polyolefins in presence of organic peroxides |
December 18, 2001 |
| A method for the grafting of a monomer onto a polyolefin in the presence of an organic peroxide is disclosed. The polyolefin is a polyolefin that, when molten, undergoes cross-linking in the presence of the organic peroxide. The method comprises: (a) admixing the polyolefin in an extrude |
| 6288253 |
Supported dendrimer catalyst |
September 11, 2001 |
| Dendrimers were directly and covalently attached to solid supports via siloxy bonds. After complexation with transition metals, the dendrimers were used as catalysts. The supported dendrimers were stable and easily separated from the reaction mixture. |
| 6248861 |
Manufacture of branched polyamides |
June 19, 2001 |
| A multi-stage process for the manufacture of branched aliphatic polyamides is provided. The process comprises the steps, in sequence, of feeding to a reactor a slurry of at least one aliphatic dinitrile, and at least one aliphatic diamine, at least one of which is branched, in the presen |
| 6162317 |
Heat exchanger tubing with yarn turbulator |
December 19, 2000 |
| A process and the product thereof, wherein thermoplastic tubing for use in a heat exchanger is extruded with a multifilament yarn inside to act as a turbulator. The extrusion is started with a small rod or a lead-in wire pushing the end of the yarn through the die into the tubing to a pl |
| 6159412 |
Method for manufacture of liquid crystalline polymer films |
December 12, 2000 |
| A method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes. Film made by passing a liquid crystalline |
| 6077373 |
Manufacture of multilayer polymer films |
June 20, 2000 |
| 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 films through the nip of these |
| 5981692 |
Semi-crystalline, semi-aromatic terpolymers with superior post-molding shrinkage and balance of |
November 9, 1999 |
| 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 aliphatic dicarboxylic acid as m |
| 5972443 |
Multilayer ethylene copolymer film |
October 26, 1999 |
| 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 weight of a copolymer of ethylene |
| 5959031 |
Polyamide release film for use in the production of molded composite products |
September 28, 1999 |
| 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 formula R.sub.1 --CO--NH--CH.sub.2 |
| 5753771 |
Nucleophilic amine functionalized polyolefin |
May 19, 1998 |
| 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 functionalized polyolefin has the |
| 5656717 |
High pressure process for the manufacture of terephthalic acid copolyamides |
August 12, 1997 |
| 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 is maintained at at least about |
| 5639819 |
Polyamide compositions |
June 17, 1997 |
| 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 copolymerized with aliphatic dicarboxylic |
| 5618881 |
Compatibilizer composition |
April 8, 1997 |
| 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 particular embodiment of the compati |
| 5604033 |
Cross-linkable adhesive polymers |
February 18, 1997 |
| 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 one ethylenically-unsaturated carbo |
| 5599881 |
Nucleophilic amine functionalized polyolefin |
February 4, 1997 |
| 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 functionalized polyolefin has the |
| 5538590 |
Sealing element for packaging machines |
July 23, 1996 |
| An assembly for heat sealing thermoplastic film, having a first jaw (11) and (optionally) a second jaw (not shown), an electrical impulse heat sealing element (12) mounted on the first jaw (11), electrical terminals (17) connected to the element (12), and at least one electrically and |
| 5538590 |
Sealing element for packaging machines |
July 23, 1996 |
| An assembly for heat sealing thermoplastic film, having a first jaw (11) and (optionally) a second jaw (not shown), an electrical impulse heat sealing element (12) mounted on the first jaw (11), electrical terminals (17) connected to the element (12), and at least one electrically and |
| 5520963 |
Paint formulation |
May 28, 1996 |
| This invention relates to a coating composition having a low concentration of cellulose acetate butyrate so as to minimize the formation of defects in the coating when dried and particularly relates to a urethane paint for spraying having cellulose acetate butyrate with a concentration b |
| 5502155 |
Manufacture of partially aromatic polyamides |
March 26, 1996 |
| 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, then with the incremental additi |
| 5497909 |
Reuseable pouch fitment |
March 12, 1996 |
| 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 inserted into the pouch, its plung |
| 5461110 |
Cross-linkable adhesive polymers |
October 24, 1995 |
| 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 one ethylenically-unsaturated carbo |
| 5460870 |
Polyurethane foam laminates |
October 24, 1995 |
| 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 bonded together with an adhesive o |
| 5429273 |
Apparatus for dispensing flowable materials from a pouch |
July 4, 1995 |
| 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 having a rim, the container bein |
| 5419835 |
Flow restrictor-separation device |
May 30, 1995 |
| 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 that is separated from a second cha |
| 5415818 |
Flash spinning process for forming strong discontinuous fibres |
May 16, 1995 |
| 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-fibril strands are formed by flash |
| 5415724 |
Heat sealing assembly for pouch-making packaging machines |
May 16, 1995 |
| 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 topping, in pouches. The heat se |
| 5378800 |
Terephthalic acid copolyamides |
January 3, 1995 |
| 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 hexamethylene diamine and 2-methyl |
| 5355656 |
Heat sealing element for packaging machines which make lap-sealed pouches |
October 18, 1994 |
| 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 fudge sundae topping, in a lap se |
| 5348211 |
Joining of metallic pipe lined with thermoplastic polymer |
September 20, 1994 |
| 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 joined so as to form a fluid tight |
| 5342499 |
Monitoring and control of process streams at elevated temperatures |
August 30, 1994 |
| 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.degree. C. are disclosed. The method comprises the steps of contacting a first electrode with a flowing first solution containing said ion at the |
| 5330808 |
Polyolefin bottles with glossy surface |
July 19, 1994 |
| 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/cm.sup.3, a melt index of less than 2.0 dg/min and a stress ex |
| 5330074 |
Apparatus for dispensing flowable materials from a pouch |
July 19, 1994 |
| 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 end of the pouch, and push the flow |
| 5326416 |
Heat sealing jaw assembly with film slackener |
July 5, 1994 |
| 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 jaws, resilient clamping elements |
| 5325995 |
Piercing nozzle for pouch fitment |
July 5, 1994 |
| 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 initial penetration, the force nec |
| 5316713 |
Rubber tube manufacture, with film laminate overwrap |
May 31, 1994 |
| 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 having a thickness of from 13 to 50 |
| 5302691 |
Manufacture of terephthalic acid/2-methylpentamethylene diamine/hexamethylene diamine copolyamid |
April 12, 1994 |
| 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 and 2-methyl pentamethylene diam |
| 5250334 |
Coffee web |
October 5, 1993 |
| 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 polyethylene is selected from the |
| 5249711 |
Disposable dispensing pipette |
October 5, 1993 |
| 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 from an inlet end to a dispensing |
| 5247779 |
Self voiding jaw for packaging machine |
September 28, 1993 |
| 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 a filled container and create the |
| 5213668 |
Monitoring and control of process streams at elevated temperatures |
May 25, 1993 |
| 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.degree. C. are disclosed. The method comprises the steps of contacting a first electrode with a flowing first solution containing said ion at the |
| 5205886 |
Method of lining metallic pipe using concentric tubes of thermoplastic polymer and tear resistan |
April 27, 1993 |
| 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 pipeline, the tear resistant materi |
