Expandable styrene polymers comprising recycled material of the disclosure Finely divided polyethylene wax is added to expandable styrene polymers comprising recycled polystyrene, with a content of recycled material of from 10 to 100% by weight, based on the total weight of the polystyrene.

The invention relates to novel modified oligonucleotides which possess at least one substituted 7-deazapurine base and form more stable hybdridization complexes with nucleic acids; to processes for their preparation and to their use as inhibitors of gene expression, as probes for detecting nucleic acids, as aids in molecular biology and as pharmaceuticals or diagnostic agents.

A magnetic field sensor uses four individual magnetoresistive spin valve elements electrically connected in a bridge circuit. The spin valve elements are lithographically formed on the same substrate with their free layers having their magnetization axes parallel to one another. An electrically conductive fixing layer is formed on the substrate but is insulated from the spin valve elements. The ap...

The clutch comprises a hydraulic master cylinder (58) whose piston (81) is actuated by a clutch pedal (78). This is accessible to the driver during emergency operation only. A position sensor (88) detects that position of the piston, in which it has almost or completely reached its max. operating stroke. The output pressure chamber (82) of the master cylinder is connected to an equalization contai...

The present invention relates to a mechanism for electronic accordions by means of which the bass keynotes and the related bass notes can activate the same electronic circuit, which is the only one used in the instrument.

This invention refers to a machine for breaking up and riddling sandy shores, which comprises a truck on two idle wheels mounted on which are a bucket elevator at the front, and a vibrating table at the rear, in such a way that the sand excavated and raised along the travel direction of the truck by the bucket elevator is discharged after riddling through the vibrating table into the same furrow t...

Electric indirectly-controlled membrane or piston valve with adjustment of flowrate by limitation of the stroke of the shut-off member. It is characterized in that it has a movable duct, in an externally controlled component, which is throttled by the shut-off member in its stroke and which connects the upper chamber of the shut-off member to the electrically operated pilot valve in such a way tha...

The invention relates to a process for preparing expanded articles based on ethylene-chlorotrifluoroethylene copolymers having high dielectric characteristics consisting in mixing the copolymer with 0.5-2% by weight of boron nitride, extruding the blend at 260-300 DEG C, injecting into the molten blend nitrogen at 50-150 atmospheres and lowering the pressure for obtaining the expanded article.

System for filling the brake circuit of a motor vehicle with brake fluid, comprising, on the one hand, a service implement, with a feed head that fits in a sealing manner into the collar of a filling tank and has clamping securing means that grip the said collar and, on the other hand, means for connecting the said implement variously to a vacuum source, to a brake fluid supply and to an excess-fl...

PCT No. PCT/EP95/04241 Sec. 371 Date Apr. 12, 1996 Sec. 102(e) Date Apr. 12, 1996 PCT Filed Oct. 30, 1995 PCT Pub. No. WO96/14425 PCT Pub. Date May 17, 1995Process for the preparation of polysaccharides having a high iduronic acid content comprising: a) N-deacetylation of the polysaccharide K5 from E. coli or of the heparan sulfate or O-desulfation of heparin or heparan sulfate; b) N-sulfation of ...

Shut-off means for quick coupling, in which the body of the quick coupling houses a box containing a channel at a point corresponding to the seat of the quick coupling and in which on one side the box has a chamber that houses a moving gate acted upon by a spring means, which spring presses the gate against a limit stop provided on the body of the box.

The one knob 3, which has the traditional push-then-turn motion, is used to operate an actuator 12 of a first microswitch 11, which ignites the gas of an oven, and, when turned in the opposite direction, acts on at least one other actuator 14 of at least one other microswitch 16, which turns on an electric grill, or a lamp, or a fan.

The subject of the present invention is a static generator of electric current, of ecological type, comprising an anode, consisting of a layer of copper, and a cathode, consisting of a layer of zinc, characterised in having an intermediate layer, produced with layers of copper and zinc alongside each other. It is furthermore intended to use an ecological reactive powder, placed between the cathode...

The subject of the present invention is an infant napkin, provided with means of signalling when wet, comprising an external essentially impermeable layer, an internal filtering layer, and an intermediate absorbent layer. The invention is characterised in having, at the intermediate layer, a static generator of electric current, which is not polluting, being connected to an acoustic signalling ele...

The subject of the present invention is a joint for assembly of shaftlike, tubular and similar structures, especially designed for making show cases, scaffolding, and furnishing components in general, characterised in having a main body of annular shape, which can be coupled to a first shaftlike element and consisting of two half- rings that can be mutually hinged, at one end, about an axis essent...

A method is specified and a casting mould 1 for casting sections, in particular generator vanes, of a fibre- reinforcer matrix 5, which is characterized by casting of a section 10 taking place in one operation, in that the fibre-reinforced matrix 5 is laid out in two mould halves 2, 3 held together along a hinge line 4 in which the two parts of the section 5a, 5b are cast in one piece. The end fa...

The present invention provides a battery separator comprising (a) a nonwoven web of fibers having a mean diameter of about 15 .mu.m or less and (b) a graft polymerized monomer on the surface of the nonwoven web which renders the nonwoven web spontaneously wettable by an alkaline electrolyte, wherein the nonwoven web comprises at least about 60 wt.% of a first polyolefin having a first melting temp...

An improved solar cell, whereby the grid electrode is formed by coating a metal wire (101) with a high polymer containing conductive particles (102). A curing agent and/or a coupling agent can be added to the polymer. The coating layer can also be divided into multiple layers, so that each layer is assigned a different job e.g. preventing moisture and metal ion permeation, adhesion. According to t...

A semiconductor device is provided that includes an optical cavity that is designed to provide a prescribed resonant optical wavelength. The optical cavityincludes a mirror structure deposited on top of a substrate and a multi-layer region such as an electroabsorptive region, for example, deposited over the mirror structure. A partial antireflective coating is deposited over the multi-layer region...

A monolithically integrated laser which is rapidly tunable over a wide optical frequency range comprises a frequency router formed in a semiconductive wafer defining a tuned cavity. A control circuit applies electrical energy to predetermined controllably transmissive waveguides connecting the frequency routing device with reflective elements defined in the wafer. This tunes the laser to a desired...