Assignee: EMS-Inventa AG

Location: CH
No. of patents: 35

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Number	Title	Issue Date
6204355	Use of polyamide moulding compounds for manufacturing optical or electro-optical moulded members The invention relates to the use of polyamide moulding compounds, their alloys or blends, which contain at least one homopolyamide, which has been obtained from long-chained aliphatic monomer blocks with cycloaliphatic monomer blocks, in order to manufact...	03/20/2001
6191195	Heat-curable coating materials The invention relates to a heat-curing coating material consisting of a carboxyl-functional polyester, and an epoxy resin and also at least one additional stabilizer....	02/20/2001
6150474	Polyamid-polyketon-blends The invention relates to a polymer blend composition containing (A) a linear alternating polyketone polymer on the basis of carbon monoxide and at least one ethylenically unsaturated hydrocarbon compound, (B) at least one polyamide and/or block copolyeste...	11/21/2000
5932686	Adhesion promoter for a polyamid-compounds This invention relates to adhesion agents and compatibility agents, respectively, on the basis of partially crystalline, high-molecular block (co)polyester amides, produced by direct esterification of carboxyl-terminated or hydroxycarboxyl-terminated poly...	08/03/1999
5866055	Process for the production of a polyester multifilament yarn The present invention pertains to a process for the production of a polyester multifilament yarn having at least 90 mol % ethylene terephthalate with a single filament titer of 1 to 20 dtex, using a central quenching system, characterized in that the meth...	02/02/1999
5850855	Flexible coolant conduit and method of making same A flexible conduit for coolant having a high bursting pressure above 8 bar at 100° C. and high hydrolysis resistance comprising an outer layer of a material selected from the group consisting of homopolyamides, copolyamides and mixtures thereof with an e...	12/22/1998
5731359	Vibration-absorbing elements A vibration-absorbing element comprised of a foamed thermoplastic polymer selected from the group consisting of polyamide elastomers, EPDM polymers and SEBS polymers containing conventional additives, the foam structure having a pore size which decreases ...	03/24/1998
5706864	Coolant conduits A highly flexible and hydrolysis and burst resistant, coolant conduit comprising a plurality of layers of different polymer compatible with one another at the contact surfaces of the layers, the conduit being at least partially corrugated and at least som...	01/13/1998
5516815	Starch-Containing fibers, process for their production and products made therefrom A starch fiber produced by a spinning process and comprising: A A first amount of 1 to 100 parts of a starch melt-spinnable composition comprising 1. a second amount of 56 to 96 parts of at least one modified and/or unmodified starch, 2. a third amount of 4 to...	05/14/1996
5480923	Thermoplastically processible composition of starch acrylate copolymers A starch composition including destructurized starch, an acrylate copolymer having a molecular weight of more than 400,000, water, and additives such as plasticizers, lubricants, fillers, reinforcing agents, stabilizers, impact modifiers, and flame retard...	01/02/1996
5474109	Multilayer conduit having a polyester layer A multilayer polymer hose or pipe conduit which contains at least one barrier layer of polyester, which acts as a barrier to fuel being carried thereby. In a preferred form of the invention, the hose or conduit has an inner polyamide protective layer, an ...	12/12/1995
5458478	Process and apparatus for the direct and continuous modification of polymer melts A process and an apparatus for the direct, continuous and flexible modification of polymer melts by branching off a branch melt stream from the main melt stream to be modified, dispersing the initially introduced additive in the melt in a specially design...	10/17/1995
5444120	Thermoplastically processable elastomeric block copolyetheresteretheramides and processes for the production and use thereof Thermoplastically processable elastomeric block copolyetheresteretheramides from recurring units of the formula ##STR1## in which ##STR2## represents a polyamide segment containing terminal carboxyl groups and having an average molar mass o...	08/22/1995
5436078	Starch mixture and process for the production thereof A highly transparent, single-phase biodegradable starch mixture comprising 90 to 1 parts of at least one polyamide and 10 to 99 parts of a starch molding composition, which composition comprises 96 to 46 parts of at least one chemically modified starch an...	07/25/1995
5418068	Multi-layer composite for reusable multi-layer packs A multi-layer composite made of at least one copolyamide protective layer, and at least one copolyamide barrier layer, with the protective layer placed such that it is between the barrier layer and a source of moisture. The protective copolyamide layer is...	05/23/1995
5375621	Check valves A diaphragm- and spring-less check valve for gaseous media comprising an inlet housing (41) having a sealing edge (51), an outlet housing (11) and a closure body (30) disposed in between the housings, which is guided so as to be axially (14) movable and c...	12/27/1994
5376702	Process and apparatus for the direct and continuous modification of polymer melts A process and an apparatus for the direct, continuous and flexible modification of polymer melts by branching off a brand melt stream from the main melt stream to be modified, dispersing the initially introduced additive in the melt in a specially designe...	12/27/1994
5373047	Blasting medium, process for its production, and use thereof A reusable blasting medium of a thermoplastically processable polymer granulate filled with finely divided metal, the metal particles being coated with an adhesion promoter. The medium is suitable for the deflashing of cast metal parts, in particular grou...	12/13/1994
5346936	Starch/polymer mixture, process for the preparation thereof, and products obtainable therefrom A biodegradable, single-phase starch/polymer mixture comprising (a) 10 to 99 parts of a starch molding composition comprising (i) 95 to 45 parts of at least one chemically modified starch, and (ii) 5 to 55 parts of at least one emulsifier, plasticizer or destructur...	09/13/1994
5331061	Thermoplastically processable elastomeric block copolyetheresteretheramides and processes for the production and use thereof Thermoplastically processable elastomeric block copolyetheresteretheramides from recurring units of the formula ##STR1## in which ##STR2## represents a polyamide segment containing terminal carboxyl groups and having an average molar mass o...	07/19/1994
5321119	Impact resistant polyamide compositions A thermoplastic polyamide comprising a copolyamide which is the reaction product of a hexamethylene diamine unsubstituted or substituted with at least one alkyl group, and a bis(4-aminocyclohexyl) alkane which is substituted adjacent to the amino groups, ...	06/14/1994
5316578	Process and apparatus for producing starch melt and products obtainable by this process A process for the production of a homogeneous, thermoplastically processible melt. The process includes a. introduction of chemically modified starch into an intake zone of an extruder and conveyance thereof to a receiving zone, b. addition of a prehomoge...	05/31/1994
5288799	Thermoplastic molding compositions which are mixtures of amorphous and semi-crystalline polyamides, a method of preparation thereof and products made therefrom Thermoplastic molding compositions including a semicrystalline polyamide a) and an amorphous copolyamide b), the latter containing dimerized fatty acid as one monomer building block. Optionally, a compatibility agent and other additives are also included....	02/22/1994
5234644	Process for producing ultra-high molecular weight polyamide fibers A process for producing ultra-high molecular weight polyamide fibers by thermal post condensation in the solid phase in the presence of catalysts of normally viscous polyamide fibers below their melting point in the absence of oxygen wherein the fibers ha...	08/10/1993
5219003	Multi-layered tubes having impact resistance-modified polyamide layers Cold impact-resistant tubing especially useful as a fuel line for motor vehicles which is stable in length, has a brief thermal overload capacity, and consists of at least three layers of at least two different mutually compatible polyamides. The tubing a...	06/15/1993
5205940	Iron (III) salt-catalyzed oxidation of waste water A process for catalytic oxidation of organic materials in waste water by hydrogen peroxide in the presence of iron (III) salts at temperatures below 80° in the presence of titanium dioxide and with exposure to light....	04/27/1993
5177178	Amorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamine Rigid, amorphous copolyamides which can be produced in a single-stage polycondensation reaction with a high glass transition temperature and low water absorption capacity, based on cycloaliphatic diamines, dimerized fatty acids and aromatic dicarboxylic a...	01/05/1993
5177177	Amorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamine Rigid, amorphous copolyamides, which can be produced in a single-stage polycondensation reaction, having a high glass transition temperature and low water absorption capacity, consisting essentially of cycloaliphatic diamines, dimerized fatty acids, and a...	01/05/1993
5177144	Impact-resistant and rigid polyamide compositions A molding composition including a thermoplastic processable polyamide, an elastomer, and an epoxy having a plurality of epoxide groups....	01/05/1993
5154979	Shaped articles made from thermoplastic polymers An article consisting of a base and one or more attachments thereto. The base is made of one thermoplastic polymer and the attachment is made of a second thermoplastic polymer which is at least partially incompatible with the first polymer. Either the fir...	10/13/1992
5111849	Helical pipes and method of manufacture thereof Extruded pipes of thermoplastically processable polymers are wound cold around a mandrel and thereafter subject to thermal fixing. During or before winding, the pipe is twisted in a direction opposite to that of the helix formation, about its longitudinal...	05/12/1992
5055249	Method for the manufacture of crosslinked polyamide articles A process for the preparation of crosslinked shapes from a polymer which consists of reacting a starting polyamide with a particular silane. The polyamide should have at least 30% by weight of branched polymer chains, but these may be furnished by adding ...	10/08/1991
4991882	Fluid-tight connector A connector including a male member and a female member adapted to mate therewith. The female member is hollow and has an annulus defining a plane substantially perpendicular to its axis. There is a substantially cylindrical hollow nozzle within the annul...	02/12/1991
4992514	Process for the production of shaped articles A composition having at least 50% by weight polyamide and a liquid crystalline polymer capable of forming an optically anisotropic melt above 200° C. Such compositions are transformed by deformation at temperatures below the melting point and above the g...	02/12/1991
4963610	Flame-resistant polyamide molding composition and method of manufacture thereof A flame-resistant polyamide molding composition comprising a thermoplastic polyamide, a particular form of magnesium hydroxide, an olefin polymer having at least one functional group, and reinforcing fibers inert to the composition. The composition can be...	10/16/1990

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Assignee: EMS-Inventa AG