This invention relates to a method of and devices for impact and vibration damping and, more particularly, to devices composed of an elastoplastic material including the characteristics of damping, heat and pressure dimensional stability, and moisture non absorbency of a blend of polyolefin and conjugated diene butyl rubber which converts impact shock or vibration energy into thermal energy.

There are provided peptides of the formula X-Val-Pro-Leu-Gly-Trp-A-Y wherein X represents a hydrogen atom or a terminal nitrogen protecting group, A represents a neutral L- alpha -amino acid residue and Y represents OH, NH2 or a group of the formula OR, NHR, NR2 or NHNHR' wherein R represents a C1-C11 alkyl group optionally substituted, a C7-C14 aralkyl or a phenyl group and R' represents H, any o...

Novel 2-amino-4H-3,1-benzoxazin-4-ones represented by the formula and the pharmaceutically acceptable esters and salts thereof wherein R<1> is hydrogen or lower alkyl; R<2> and R<3> are each independently hydrogen, halo, lower alkyl, hydroxy, lower alkoxy, lower thioalkyl, -NO2, -N(R min )2, -NR min COR min , -NHCON(R min )2 or -NHCOOR min , with the proviso that at least one of R<1>, R<2...

The disclosed light-sensitive recording material is composed of an electrically conductive support, suitable for the production of printing forms or printed circuits, an a photoconductive layer system containing a photoconductor, a binder, a sensitizing dye and conventional additives. The photoconductive system comprises (A) a single photoconductive layer, or multiple layers, applied to the suppor...

A diagnostic system wherein a central diagnostic center receives sensor data relative to the operating condition of a plurality of remote plants. Each plant records just certain sensor signals and transmits them at respective prescheduled transmisssion times. If certain activation limits are exceeded, a data link with the diagnostic center is immediately established so that the data may be transmi...

EP--93564 A 6-(2-(3,4-Dihydroxyphenyl) 2-(aminocarbonylamino)) acetamido bisnorpenicillanic acid derivs. of formula (I) and their salts and in vivo hydrolysable esters are new. In (I) R is H, 2-7C alkanoyl or 1-6C alkyl; R1 is H or hydrocarbyl; R2 is H, opt. substd. hydrocarbyl, opt. substd. heterocyclyl or CXR3; X is O or S; R4 is H, opt. substd. hydrocarbyl or opt. substd. heterocyclyl; NR1R2 is...

The present invention relates to certain 2 min ,3 min -dideoxynucleosides and pharmaceutically acceptable derivatives thereof, methods for preparing them, their use in the treatment and prophylaxis of viral, especially retroviral, infections, and pharmaceutical formulations containing them.

Dihydropyridine derivs. of formula (I) and their pharmaceutically acceptable addition salts are new: R1 and R2 = H, 1-4C alkyl, haloalkyl, haloalkoxy or haloalkylthio, 1-12C alkoxy, halo, NO2, gp. (II) or (III), or together R1 and R2, with 2 C atoms of the phenyl ring, forms gp. (IV). X = O, S or N-R6; A = 2-10C alkylene, with at least 2C between O and X; R3 = mono- or di-saccharide residue opt. h...

Dihydropyridine derivs. of formula (I) and their pharmaceutically acceptable addition salts are new: R1 and R2 = H, 1-4C alkyl, haloalkyl, haloalkoxy or haloalkylthio, 1-12C alkoxy, halo, NO2, gp. (II) or (III), or together R1 and R2, with 2 C atoms of the phenyl ring, forms gp. (IV). X = O, S or N-R6; A = 2-10C alkylene, with at least 2C between O and X; R3 = mono- or di-saccharide residue opt. h...

PROCEDIMIENTO PARA LA OBTENCION DE UN CONJUGADO ENTRE UN IONOFORO CARBOXILICO MONOVALENTE Y UNA MACROMOLECULA. CONSISTE EN ACOPLAR MEDIANTE ENLACE COVALENTE EL IONOFORO CARBOXILICO MONOVALENTE A LA MACROMOLECULA, REALIZANDOSE MEDIANTE UN ENLACE DE DISULFURO O UN ENLACE DE TIOETER O: 1) INTRODUCIR UNA AGRUPACION TIOLICA EN UNO DE LOS COMPUESTOS QUE SE HAN DE ACOPLAR; 2) INTRODUCIR EN EL OTRO COMPUE...

Phospholipid derivs. of formula - R1CH2-(CHR2)n-CH2OP(O)R3R4 (I) - and their salts are new (R1 is alkyl, alkoxy, alkylthio or alkylsulphonyl; R2 is H, OH, alkoxy, lower alkanoyloxy or lower alkylcarbamoyloxy; n is 0 or 1; R3 is opt. protected hydroxy; R4 is lower alkoxy or lower alicyclic-oxy both substd. with at least 2 opt. protected hydroxy gps. and opt. substd. by lower alkoxy or another alicy...

9-Deoxo-9a-methyl -9a-aza-9a -homoerythromycin D or its salts (II), 9a-aza-9a-homo erythromycin D (IVa) and 9-deoxo-9a-aza-9a -homoerythromycin D (IVb). (II) (X=Y=H; R=CH3; Ra=Rb=H); (IVa) (X=Y=H; R=R9=Rb=H); (IVb) (X+Y=O; R=R9=Rb=H). (II) is an antimicrobial agent and (IV) are intermediates for (II). - (I) is prepd. by cultivation of the Nocardia species ATCC 39043. (0/0); PROCEDIMIENTO PARA LA ...

Cpd. of formula (I) and its salts are new. (R is Me; and Z and Z1 are H). - New intermediates are (1) 4''-epi-9a-aza -9a-homoerythromycin A, i.e. (I; R is H, Z + Z1 form O), and its 9-deoxo deriv., i.e. (I; R, Z and Z1 are H); (2) 4''-epi-erythromycin oxime; (3) 9a-benzyloxycarbonyl -4''-deoxy-4''-oxo-9-deoxo-9a-aza -9a-homoerthromycin A and the corresp. 9a-methyl deriv. and the 2-3C 2'-O-alkanoyl...

PROCEDIMIENTO PARA PREPARAR UNA ADENOSINA SUSTITUIDA EN N6. CONSISTE EN HACER REACCIONAR UN COMPUESTO DE FORMULA (II) CON UNA AMINA DE FORMULA (III), EN UN DISOLVENTE INERTE COMO ALCOHOL O UN SOLVENTE APROTICO COMO DIMETILFORMAMIDA, ENTRE 25 Y 130JC, DURANTE 1-48 HORAS, EN PRESENCIA DE UNA BASE COMO TRIETILAMIDA O CARBONATO DE CALCIO PARA NEUTRALIZAR EL HALURO DE HIDROGENO QUE SE FORMA, PARA OBTEN...

New cpds. (A) consist of at least one nucleoside gps. (I) covalently bonded, via purine and pyrimidine bases, to a solid support. Pref. (I) is the final residue of an loigo- or poly-nucleotide. Attachment is pref. via C4 of pyrimidine bases of C6 of purine bases. - (A) are of formula (II) where N = base, e.g. uracil, 5-methyluracil; guanine, xanthine; 5-methylcytidine; cytidine; 6-aminoadenine and...

Compounds of the formula wherein R1 is hydrogen, an optionally substituted aromatic hydrocarbon radical, an aralkyl radical or an optionally substituted aliphatic hydrocarbon radical having up to 45 C atoms, R2 is an optionally substituted aromatic hydrocarbon radical, an aralkyl radical or an optionally substituted aliphatic hydrocarbon radical having 5-50 C atoms, X is O, S, NH or NR...

This invention has as its object a six-axis head for correction of movements equipping a mobile tool (12) for mating assembly of an element on a support. The head comprises an upper frame (10) fastened to the mobile assembly tool defining a first geometric plane P1, an intermediate frame (16) defining a second geometric plane P2 and connected to the upper frame (10) by first drive means (M1, M2, M...

Process for obtaining a vector DNA in which at least one of the bases is at least partly substituted by a modified base capable of being biologically incorporated into the genome DNA of a microorganism, this process concerning the bringing about and maintaining of the culture of this microorganism previously transformed by the corresponding vector DNA, in which the corresponding natural base is no...

Device for splicing yarns together by subjecting the superposed ends of yarns to the action of a compressed fluid. A fluid supply system of a fluid treatment section having a yarn splicing member for making a jet of a fluid act on the overlapping section of two yarn ends, and untwisting nozzles for untwisting the yarn ends, and a functional system of a yarn end control unit for cutting and locatin...

Novel 2 min -deoxy-5-substituted uridine derivative represented by the general formula, wherein R1 is a hydrogen atom, a benzoyl group or a tetrahydrofuranyl group; R2 is a fluorine atom or a trifluoromethyl group; and any one of R3 and R4 is a hydrogen atom and the other one is an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 6 carbon atoms, a benzyl group having ...