The invention relates to porous slabs bonded with adhesive, having a bulk density of from 30 to 200 kg/m3, preferably of from 50 to 130 kg/m3, made from comminuted rigid polyurethane foam having an average particle size of at least 2 mm and an adhesive content of from 3 to 25 wt.%, preferably of from 5 to 12 wt.%, a method for their production and the use thereof as impact sound-deadening and/or h...

Disclosed is a film having a good adhesive property comprising a base film and a coated layer formed on at least one surface of the base film. The coated layer comprises a mixture whose main constituents are a polyester resin and a melamine compound, and not less than 60% by weight of constituents forming the coated layer is the polyester resin. Or the concentration of a carboxylic acid of the sur...

There is now provided a solvent cement having a total of less than 80 weight percent of solvents and a thermoplastic polyurethane elastomer as at least one of the resins dissolved in the solvent. The solvent mixture contains at least a 5- or 6-membered water miscible lactone or lactam such as N-methyl-2-pyrrolidone (NMP) in an amount of 21 weight percent or less based on the weight of all the ingr...

A pulley, in particular a free-running pulley, comprises a pulley body having an throughgoing opening for mounting on a shaft end of a machine and provided with an inner thread cooperating with a counter-thread of the shaft end. The throughgoing opening has a portion which is arranged forwardly of the inner thread and being provided on its periphery with a contour repeating at regular distances fr...

A pulley, in particular a free-running pulley, comprises a pulley body having an throughgoing opening for mounting on a shaft end of a machine and provided with an inner thread cooperating with a counter-thread of the shaft end. The throughgoing opening has a portion which is arranged forwardly of the inner thread and being provided on its periphery with a contour repeating at regular distances fr...

Method for removing hydrocarbon products from water surfaces which consists in putting said hydrocarbon products in contact with a polypropylene previously treated using a procedure which includes: (a) mixing a polypropylene with at least one silicon compound having a sterically hindered amine group in the molecule; (b) melting the above mixture at a temperature and for a time which is sufficien...

Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded sheet. The method according to the invention is especially suitable for the prepa...

Method for the preparation of cellulose sheet by extrusion of a heated solution of cellulose in a tertiary amine-oxide, which method includes using an extrusion die with an extrusion orifice, characterised in that, immediately below the extrusion orifice there is provided an inlet for cooling gas to cool the extruded sheet. The method according to the invention is especially suitable for the prepa...

An improved hot filament chemical vapor deposition (HFCVD) reactor is disclosed comprising a gas dispersion system (25), a filament network (26) and an apertured support plate (27) for the substrate (72). The apertures (64) in the support plate provide for counteracting the natural pressure and temperature gradients which arise within the reactor so that a uniform deposit or material can be coated...

An improved catalyst for the conversion of an alcohol to an aldehyde by partial oxidation of the alcohol comprises active catalytic material with a monolithic structured inert carrier. The active catalytic material comrpises a mixt. of the oxides of molybdenum plus M in molar ratio Mo: M between 1 and 5, where M = chromium, vanadium, aluminum, iron, tungsten or manganese. The carrier has straight ...

The invention relates to an implant material based on natural bone, which material is a sintered ceramic material in which the porous fine structure of the bone is present in essentially unchanged form and which comprises more than 99% of hydroxyapatite.

PCT No. PCT/GB91/02180 Sec. 371 Date Aug. 4, 1992 Sec. 102(e) Date Aug. 4, 1992 PCT Filed Dec. 9, 1991 PCT Pub. No. WO92/10532 PCT Pub. Date Jun. 25, 1992.Surfaces of polymers, particularly polyesters, can be fluorinated by deposition of a fluorocarbon from solution. The fluorocarbon may be an amorphous fluoropolymer, such as the copolymer of tetrafluoroethylene and bis-2,2-trifluoromethyl-4,5-dif...

PCT No. PCT/NO92/00067 Sec. 371 Date Oct. 7, 1994 Sec. 102(e) Date Oct. 7, 1994 PCT Filed Apr. 10, 1992The patent claims concern a method for a more efficient "wet [combustion] oxidation" of COD-containing effluents from industrial processes and municipal plants and for a more efficient COD-reduction by enzymes in aerobic and anaerobic biological cleaning processes and for same sorts of effluents....

PCT No. PCT/NL91/00009 Sec. 371 Date Jul. 16, 1992 Sec. 102(e) Date Jul. 16, 1992 PCT Filed Jan. 18, 1991 PCT Pub. No. WO91/10675 PCT Pub. Date Jul. 25, 1991.The invention relates to primers and a method of detecting human papilloma virus (HPV) genotypes by means of the Polymerase Chain Reaction (PCR). The invention provides such primers and such PCR conditions that in principle any genital HPV ge...

A process for producing light olefins, especially ethylene, propylene,isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica zeolite having a structure of pentasil catalysts and catalytically converted at a temperature of 480 DEG to 680 DEG C and a pressure of 1.2x10<5...

A process for producing an absorbent structure in an absorbent article, such as a sanitary napkin, a panty guard, an incontinence guard, a diaper, bed protector and like articles. The invention is based on a desire to improve the mat-forming and core-forming process, by removing the cores (6) from the mat-forming unit after the mat-forming process and compressing the cores with the aid of a pair o...

An absorbent article, such as a sanitary napkin, a panty pad or a guard for persons afflicted with light incontinence, intended to be worn in the crotch part of underwear and having a generally elongated shape which includes two long sides (5, 6), two short sides (7, 8), two end parts (10, 11), a central part (9) between the end parts, a liquid-permeable sheet (2) intended to face towards the wear...

PCT No. PCT/SE90/00835 Sec. 371 Date May 29, 1992 Sec. 102(e) Date May 29, 1992 PCT Filed Dec. 14, 1990 PCT Pub. No. WO91/09579 PCT Pub. Date Jul. 11, 1991.An absorbent, disposable article, such as a diaper, an incontinence guard or a sanitary napkin, which includes an outer liquid-impermeable casing layer which is intended to lie distal from the wearer in use, an inner, liquid-permeable casing la...

A disposable absorbent article, such as a diaper, having an improved tape fastener system is disclosed. The improved tape fastener system comprises a mechanical fastening means, initial adhesive securement means, and a reserve/protected adhesive securement means. The mechanical fastening means provide for effective side closure of the absorbent article, whereas the initial adhesive securement mean...

A process for making a wearable, absorbent article is described wherein two longitudinally extending barrier leg cuffs are attached to a chassis and the barrier leg cuffs are joined to the article so that they are directed inwardly toward a longitudinally extending centerline in the first waist region of the article and directed outwardly away from the longitudinally extending centerline in the se...