8 alpha -acylamino ergolines are useful dopamine agonists.

PURPOSE:To obtain high heat dissipation efficiency and to simplify assembly by comprising a semiconductor chip fixed in the prescribed position on lead frame patterns formed on the surface of a metal sheet where lead patterns are not punched out and wiring means to connect electrode pads on this chip to lead patterns. CONSTITUTION:A lead frame 11 is constituted by sticking a copper foil layer on a...

An amphiphilic ion-channel forming peptide and a toxic anion are employed as a pharmaceutical.

PCT No. PCT/DE80/00126 Sec. 371 Date Apr. 29, 1981 Sec. 102(e) Date Apr. 29, 1981 PCT Filed Sep. 4, 1980 PCT Pub. No. WO81/00712 PCT Pub. Date Mar. 19, 1981.Peptides of the formula Tyr1-X-A-Pro-B-Pro-C . . . . . . . . , in which Tyr1 is equal to the amino acid tyrosine and Pro is equal to the amino acid proline; A, B, C is any desired amino acid in the L-form and X any amino acid in the D-form; th...

New substituted sulphonamides, their salts, complexes, esters and amides which are physiologically acceptable, denoted by the formula in which: R1 is an aryl radical or a heterocyclic ring, optionally (poly)substituted; R2 and R3 are different; one of the two denotes W, the other is hydrogen, halogen, trifluoromethyl, alkyl, cycloalkyl, alkoxy, alkylthio, alkylsulphinyl, alkylsulphonyl,...

A process for the separation of solvents from hydrocarbons dissolved in said solvents wherein a feed solution comprising hydrocarbons dissolved in an aromatic solvent and a polar aliphatic solvent is contacted at elevated pressure with one side of a dense, supported, plasma treated membrane which is substantially impermeable to said hydrocarbons. The membrane comprises a dense, selective layer of ...

NEW MATERIAL:A compound of formula I (X is H or of formula II). USE:An antiviral agent. PREPARATION:Oxetanosine A of formula III is reacted with chloracetaldehyde in the presence of sodium acetate, and the product is put to ring opening with sodium hydroxide into a compound of formula IV. Thence, sodium nitrite is reacted with this compound in the presence of an acid, and the product formed is rea...

There are described surface-active agents constituted of polyglucosides derived from hydroxyalkylsorbitol, having the general formula (I): wherein: R is a C6-C20 alkyl; n is a number comprised between 0 and 20.

4-substituted anthracyclinones of formula (I): wherein R represents a straight or branched alkyl, alkenyl or alkynyl group of up to 16 carbon atoms optionally substituted by (a) an aryl group which is unsubstituted or substituted by an inert group such as an alkyl, alkoxy or nitro group; (b) an alkoxy group; (c) a trialkylsilyl group, (d) an ester group or (e) an amido group, are intermedia...

Compounds of the general formula: I (in which X represents a hydrogen atom or an alkoxy or arylalkoxy group) are new compounds; those where X represents a hydrogen atom or a methoxy group are potent sweeteners while those with a cleavable 6-ether group are key intermediates in the preparation of 4,1',6'-trichloro-4,1',6'-trideoxygalactosucrose (TGS). They are prepared by chlorinating a s...

PCT No. PCT/AU85/00201 Sec. 371 Date Jun. 19, 1986 Sec. 102(e) Date Jun. 19, 1986 PCT Filed Aug. 23, 1985 PCT Pub. No. WO86/01433 PCT Pub. Date Mar. 13, 1986.A process for producing a diamond compact having a compressive strength of at least 10 kbars, the process being performed in the graphite stability field at a maximum pressure of 40 kbars at a temperature of between 1100 DEG C. and 1600 DEG ...

PCT No. PCT/BE90/00011 Sec. 371 Date Nov. 26, 1990 Sec. 102(e) Date Nov. 26, 1990 PCT Filed Mar. 15, 1990 PCT Pub. No. WO90/11467 PCT Pub. Date Oct. 4, 1990.A coupling for joining two tubes is manufactured of a material different from the material of the tubes. The coupling includes two parts, which can be coupled to each other. Each part includes a body with an axial bore for receiving an end of ...

An absorbent article, such as a sanitary napkin or an incontinence guard, comprising a liquid-impermeable surface layer (1) which is remote from the wearer when the article is worn, a liquid-permeable surface layer (2) which faces towards the wearer in use, and an absorbent pad which is contained between the two surface layers. The inventive article is characterized in that the absorbent pad (3) i...

PURPOSE: To obtain a nonwoven web useful as a diaper or a wound treating article, having a liquid absorbing inclination and constructed so that it absorbs and collects water from a water source, by laying a superabsorbent fiber and another fiber of different densities from each other. CONSTITUTION: This web is obtained by blending about 25-75 wt.% of a superabsorbent fiber formed from a heat-curab...

The present invention relates to a screen take-up device characterized in that the output from the normal-reverse turn motor of outer-rotor type contained in a screen take-up shaft is transmitted to the take-up shaft after being reduced in speed; brake is applied by a braking mechanism on the inertia output from the motor in sync with the stopping of the aforementioned motor; the number of revolut...

An azeotrope of minimum boiling point, capable of being employed as refrigerating fluid replacing chlorofluorocarbons or as an extinguishing agent replacing bromofluorocarbons and chlorobromofluorocarbons. The azeotrope according to the invention is a mixture of 1,1,1,2-tetrafluoroethane and perfluoropropane. At normal boiling point (approximately -41.1 DEG C at 1.013 bar) its perfluoropropane con...

The invention relates to ophthalmology. The device comprises a pulse excimer laser (1) and a shaper (3) for distributing its radiation energy density over the cross-section of the laser beam (2). The shaper (3) consists of an optical cuvette (7), the windows (8) and (9) of which are transparent to the laser radiation, the internal surface of at least one of which has the form of a surface of revol...

Lower resolution video signals (10) having alternating odd fields (12) and even fields (14) are stored in an odd line memory (20A) and an even line (20B), respectively. An interpolator (22) interpolates adjacent odd and even lines. A selector (24) cyclically selects odd, even, and interpolated lines in a pre-selected pattern. By selecting even, odd, and interpolated lines, the number of lines per ...

PURPOSE:To perform manufacturing with high dimension accuracy and productivity by joining a disk shape magnetosensitive hub with the inner peripheral part of a disk shape resin substrate, and joining obtained two resin substrates with hub by laminating by confronting their recording layers with each other. CONSTITUTION:A circular hole 2A is inserted to a disk connecting part 21 setting the recordi...