1. A sheet of transparent plastics material of high optical quality comprising a layer based on polyurethane having energy-absorbing properties, characterised in that the layer having energy-absorbing properties is formed essentially of a polyurethane obtained by reactive casting on a flat horizontal support of a reaction mixture of an isocyanate component of viscosity less than 5 Pas at 40 degree...

In atomizing a body of molten material having elevated melting point by directing the molten body as a stream into an atomization zone and directing a stream of atomizing gas into said stream to atomize and disperse it, the orifice from which the gas is delivered is positioned closely proximate the surface of the stream to be atomized, e.g. less than 0.45 inches way. A large percentage of fine par...

The method of producing fine powder molten metal comprising providing a source of the molten metal to be atomized, delivering molten metal from said body to an atomization zone through a melt delivery tube, the portion of said delivery tube which is exposed to said atomization zone consisting essentially of boron nitride, directing a stream of atomizing gas against said stream in said zone to atom...

Asymmetric gas separation membranes having graded density skins and macrovoid-free morphology comprised of glassy, hydrophobic polymers are disclosed which are effective for separating gases with significant increases in permeation while maintaining equal or greater separation selectivity. The membranes have increased free volume and the graded density skin exhibits a density gradient which become...

1. Claims for the Contracting States : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE 2-Aminomethylphenols of the formula I see diagramm : EP0088346,P33,F2 in which R represents hydrogen or alkyl having 1 or 2 C atoms, R**1 represents alkyl having 1 to 8 C atoms, cycloalkyl having 3 to 12 C atoms and up to 8 ring members, alkenyl having 2 to 8 C atoms or cycloalkenyl having 5 to 12 C atoms and up to 8 r...

A liquid laundry detergent composition containing an alkali metal dithionite or sulfite reduction bleaching agent. The preferred compositions are nonaqueous liquids based on liquid nonionic surfactants and include a detergent builder salt suspended in the liquid nonionic surfactant. The alkali metal dithionite or alkali metal sulfite reduction bleaching agent can also be used as the bleaching agen...

Molecular decoyants are chemical structures which functionally resemble an endogenous receptor. They may be used for the treatment of humans or other animals which have been subjected to a foreign agent which exerts an undesired effect only after first binding to that endogenous receptor. A decoyant is a fraction of an endogenous receptor which retains the essential elements of the binding site of...

Compounds of the formula I wherein R1 is halogen, C1-4 -alkyl or halo-(C1-4- alkyl), R2 is hydrogen, hydroxy or acyloxy, R3 and R4 each are hydrogen or C1-4-alkyl, R5 is aryl or aryloxy, X is O or NH and Y is -CO-CH2-, -CH(OH)-CH2-, -CH2-CH2-, -S-, -SO- or -SO2-, and tautomers thereof are described. Compounds of formula I and their tautomers possess antiviral activity and can be used ...

Compounds of the formula I wherein R1 is halogen, C1-4-alkyl, halo-(C1-4-alkyl) or C2-4-alkanoyl, R2 is hydrogen, hydroxy, C1-4alkoxy, C1-4-alkylthio or phenyl-(C1-4-alkoxy) or , when X is O, also acyloxy, R3 is hydrogen or C1-4-alkyl, R4 is a carbocyclic group or a heterocyclic group, R5 is hydrogen or fluorine, m stands for zero, 1 or 2, X is O or NH and Y is a direct bond, -CH=CH-,...

Apparatus for electric tomography comprising a coupling medium for receiving an object to be examined, a plurality of electrodes disposed in the coupling medium and arranged in a three dimensional array; multiplexing apparatus for applying electric voltages at selected first pluralities of electrodes and simultaneously measuring electric currents at corresponding selected second pluralities of ele...

A disposable diaper for application to an infant in contact with the infant's skin, comprises a liquid absorbent core; a thin, continuous, water soluble film carried by the liquid absorbent core on the side thereof to be applied in contact with the infant's skin; a layer of a medicated powder between the water-soluble film and the liquid absorbent core; a liquid-permeable film between the layer of...

PCT No. PCT/FR82/00211 Sec. 371 Date Sep. 28, 1983 Sec. 102(e) Date Sep. 28, 1983 PCT Filed Dec. 16, 1982 PCT Pub. No. WO83/02630 PCT Pub. Date Aug. 4, 1983.Curled non-woven material formed of waves such as contiguous anti-nodes (9,10) of adjacent waves consist of small adjacent pads (11,12) located on the same side of the median plan (8) of the non-woven material. Use: Medical and surgical compre...

S-3-methyl-6-heptenoic acid and analogues of formula (I) are new. R is CH2OR1, CH2OH, CHO, COOH or COCl or another activated form of the acid COOH; R1 is H or silyl hydroxy protecting gp. Alanine derivs. of formula (II) and their cationic salts when R2 and R3 are H are new. R2=R3=H; pr R2,R3=1-6C alkyl, 6-8C cycloalkylmethyl or benzyl. Prepn. of an acid or ester of formula (III) comprises coupling...

A round of ammunition for use in training comprises a standard brass cartridge case (1) containing a reduced propellant charge (14) and a bullet (2) of standard shape comprising a core (3) of rigid polyurethane foam and an external skin (14) of unfoamed polyurethane. The core and skin can be moulded integrally. The round is designed for firing in an automatic weapon and actuating its automatic mec...

A voltage drop develops across a current-limiting resistor 14 connected between a power source 10 and a load 16 in proportion to the current draw. A zener diode 18 becomes conductive in the reverse direction when the voltage drop increases to a threshold, thereby turning on a light emitting diode 22 (LED), to detect excessive current draw. A photo-SCR may be optically coupled to the LED to provide...

Furan- and thiophenecarboxylic acid propargyl esters of the formulae Ia and Ib in which the substituents and the index have the following meaning: R<1>, R<2> and R<3> denote hydrogen, chlorine, bromine, nitro, C1-C4-alkyl, C2-C4-alkenyl, C1-C4-haloalkyl, C2-C4-haloalkenyl, phenyl or phenyl which is substituted by halogen, C1-C4-alkyl or C1-C4-alkoxy, X denotes oxygen or sulphur, n den...

A novel human B-lymphotropic virus (HBLV) associated with some malignancies in acquired immune deficiency syndrome (AIDS) and non-AIDS patients is isolated. The virus is detected in a patient suffering from AIDS by co-culturing sera from an AIDS patient with human B cells and examining for presence of the virus by sucrose gradient analysis or by Southern blot analysis of the virus genomic DNA. Ana...

A clone of Human B Lymphotropic Virus (HBLV), pZVH14 has been isolated (from the peripheral blood leukocytes of six individuals) and characterized. The clone is obtained from nucleic acids extracted from purified virus, and contains a 9.0 Kb HindIII fragment of HBLV. HBLV contains a double-stranded DNA genome and is morphologically similar to some members of the Herpes family. The clone is lymphot...

A method and apparatus for correcting the undeflected resting position of an electron beam which has been displaced from its previous resting position because of physical or positional changes in elements of the electron gun which is generating the electron beam. The electron beam is directed towards a detector which determines the direction and amplitude of the deviation along mutually perpendicu...