1. Crosslinked material, having improved properties, obtained from copolymers of ethylene and of at least one alpha-olefine, characterized in that its gel factor is between about 95 and 99% and in that the said copolymers are chosen from amongst : (a) ethylene/propylene copolymers which comprise, if appropriate, up to 4 mol% of units derived from another alpha-olefine, have a density of between 0....

PCT No. PCT/FI88/00111 Sec. 371 Date Dec. 20, 1989 Sec. 102(e) Date Dec. 20, 1989 PCT Filed Jul. 7, 1988 PCT Pub. No. WO89/00671 PCT Pub. Date Jan. 26, 1989.The invention concerns a method of constructing a heat exchanger as well as a heat exchanger constructed in accordance with said method. The method comprises piling of essentially similar corrugated thermal transmission plates to cover each ot...

PCT No. PCT/DK88/00116 Sec. 371 Date Jan. 11, 1990 Sec. 102(e) Date Jan. 11, 1990 PCT Filed Jul. 8, 1988 PCT Pub. No. WO89/00435 PCT Pub. Date Jan. 26, 1989.Disposable hypodermic syringe comprising a needle (1) which can be retracted and held inside the syringe which moreover comprises a syringe barrel (4, 5) with liquid chamber designed with a piston (14) with a piston rod (7). Opposite the pisto...

The present invention relates to an advertising information display system comprising a device for starting the display of the advertising information on certain elements of the display panels; a computer device receiving information from the output of the various infrared radiation pick-ups emitting logic signals towards the display monitoring and control device associated with each panel to caus...

A zinc-based powder for alkaline batteries consists of 0.05 to 3% of mercury, 0.003 to 0.2% of bismuth and 0.01 to 0.08% of lead, the remainder being zinc. This powder exhibits an excellent corrosion resistance in an alkaline medium.

The present application relates to compounds of the formula I where X is hydrogen, loweralkyl, loweralkoxy, hydroxy, halogen, nitro or trifluoromethyl; R1 is hydrogen or loweralkyl; R2 is hydrogen, loweralkyl, arylloweralkyl or -(CH2)mR7 wherein m is 1, 2 or 3 and R7 is cyano or amino; R3 and R4 are independently hydrogen or loweralkyl; R5 and R6 are independently hydrogen or loweralkyl, or...

The packing container has a body through which passes a section formed with each corner at right-angles to the longitudinal axis of the casing-shaped body. In connection with the section are bends between the section ends and central part, parallel with the casing longitudinal axis. - The material in the body of the container is such that the positioning of the bends provides sections which can sn...