1. Process for the preparation of trifluoroacetic acid and of trifluoromethanesulphonic acid, characterized in that, in a first stage, carbon dioxide or sulphur dioxide is placed in contact with a metal chosen from zinc, aluminium, manganese, cadmium, magnesium, tin, iron, nickel and cobalt in a polar aprotic solvent and, in a second stage, the trifluoromethyl halide is added optionally mixed with...

A non-invasive method, and an apparatus, for determining heart-related parameters in patients. The method and apparatus determine pulse pressure, time constant of the arterial system, systolic and diastolic pressure, peripheral resistance, cardiac output and mean arterial blood pressure.

A vibratory dry-shaving apparatus comprises a housing; a bipolar, uniphase, synchronous motor positioned within the housing and having a rotor and a stator; and a shaving head arranged on the housing and including a vibratory cutter part below a fixed cutter part. A wall separates the interior of the housing from the shaving head, such wall having a passage therethrough. A swing lever is driven by...

The glycals of the general formulae 14 and 15 are prepared by reacting the glycals of the formulae 10 and 11 with a mixture of sodium hydride and carbon disulphide and subsequent reaction with methyl iodide to obtain methylthiocarbonates of the general formulae 12 and 13 in which the methylthiocarbonate groups are eliminated by reduction with tributyltin hydride in the presence of azobisisobutyron...

The present invention relates to novel agents, to their production by fermentation, to methods for their recovery and concentration from crude solutions, to processes for their purification and to pharmaceutically and pharmacologically-acceptable salts thereof. Also, this invention relates to methods and compositions for the control and prevention of helmintic, arthropod ectoparasitic and acaridal...

PURPOSE:To prevent the catalyser material from damage caused by a dancing motion in the cylinder due to a vibration, by means of tightly supporting the catalyzer material of honey-comb type, using a buffer ring and a ring retaining material, without providing a looseness in the catalyzer converter main unit. CONSTITUTION:A buffer ring 4, intermediately installed for mounting a catalyzer material 3...

A filter canister for removing undesirable substances from a breathable gas comprises a cylindrical housing having a gas inlet, a gas outlet and a gas flow path between them. The filter canister also comprises first and second cylindrical filter assemblies disposed in the housing in the gas flow path with the first filter assembly disposed upstream from the second filter assembly. The first filter...

A filter canister for removing undesirable substances from a breathable gas comprises a cylindrical housing having a gas inlet, a gas outlet and a gas flow path, therebetween and a cylindrical filter arrangement disposed within the housing in the gas flow path. The filter arrangement comprises first and second cylindrical filter assemblies, each having an annular cross section. The first filter as...

1. Process for the manufacture of webs of mineral fibres, in which - fibres are produced and then carried by gas currents to a receiving device (3) where they are collected and separated from the carrier gas, - a finely dispersed liquid binder composition is projected into the gas current carrying the fibres, upstream of the receiving device (3), - the web of fibres (6) is optionally treated, in p...

PURPOSE:To encapsulate an instable functional substance by encapsulating as a core part droplets coated with a gel film formed by contact of droplets with a specified fluid and a soln. of a soluble chitin derivative. CONSTITUTION:A fluid 2 contg. an instable functional substance is extruded from an inner-cylinder nozzle 4 of a double-cylinder nozzle to form droplets which are further formed into f...

PURPOSE:To obtain a stable water in oil type emulsion composition by mixing 1-50wt% specified gelled component, 30-80wt% oil phase component, 5-70 wt% aq. phase component, with aq. soln. of polysaccharide and monosaccharide. CONSTITUTION:Aq. soln. contg. >=0.1wt% at least one selected from fulfuric acid salt of poly- or mono-saccharide, at least one liquid or paste substance at ordinary temp. sele...

NEW MATERIAL:A compound expressed by formula I (R<1> is substitutive alkyl, alkenyl, aryl, aralkyl, amino, etc.; R<2> is pyridyl which may be substituted by alkyl; R<3> is substitutive phenyl). EXAMPLE:4-(4-Methoxyphenyl)-2-methylamino-5-(3-pyridyl)-1,3-thiazole. USE:A pharmaceutical composition having analgesic, antipyretic, anti-inflammatory, antiulcer action and inhibitory action on thromboxane...

NEW MATERIAL:A compound expressed by formula I (R<1> and R<5> are lower alkyl; R<2> is nitrogen-containing heterocylic group; R<3> is substitutive aryl, etc.; R<4> is esterified carboxyl; A is alkylene, alkyleneoxyalkyl, etc.; B is alkylene, alkenylene or direct bond; X is O or S; Y is O, S or vinylene; Z is O, S or alkylene) and a salt thereof. EXAMPLE:2-[(E)-3-[4-(Pyridin-3-ylmethyl)phenyl]allyl...

NEW MATERIAL:A compound expressed by formula I (R1 is lower alkyl; R2 and R4 are different H or CH3; R3 is H or lower alkyl; R5 is H or F) and a pharmacologically acceptable salt thereof. EXAMPLE:7-( 3,5-Dimethyl-1-piperazinyl )-1-ethyl-6-fluoro-1, 4-dihydro-4-oxoquinoline-3-carboxylic acid hydrochloride. USE:An antimicrobial agent useful as a medicine having wide antimicobial action on Gram-posit...

The invention relates to novel decahydroquinolinol derivatives represented by the general formula: and pharmaceutically acceptable acid addition salts thereof, in which X represents oxygen or sulphur, R represents an alkyl radical having from 1 to 3 carbon atoms, R1 represents fluorine, chlorine, bromine or methoxy, R2 represents hydrogen or methoxy or R1 and R2, when they are taken to...

2(1H)-Pyridones of the formula (I) in which R<1> and R<3> to R<6> have the meaning indicated in Claim 1, and the corresponding lactim esters and salts have positive inotropic effects.