Abstract: The present invention provides an agent for colouring keratin fibres (A) which comprises at least one heterocyclic hydrazone derivative of the formula (I) or its physiologically compatible salt and at least one ortho-quinone of the formula (II) or para-quinone of the formula (III); and a method of colouring hair using this agent.

Abstract: Agent for colouring keratin-containing fibres, in particular human hair, comprising: a) ascorbic acid; b) at least one cationic oxime-ester; and c) at least one reactive carbonyl compound, as well as method of colouring hair using this agent.

Abstract: Agent for colouring keratin-containing fibres, in particular human hair, comprising a) ascorbic acid, b) at least one oxime compound and c) at least one reactive carbonyl compound, and method of colouring hair using this agent.

Abstract: The invention relates to resource operating medium compositions containing additivated lubricants based on polyalkylene glycols and/or neopentyl polyol esters, which are additivated with alkylated triaryl phosphate esters which are suitable for lubricating refrigerators, air-conditioning systems, heat pumps and similar systems which are operated using carbon dioxide as an operating medium.

Abstract: The present invention relates to a fiber-dyeing agent (A) prepared by mixing two components (A1) and (A2), said agent being characterized in that component (A1) contains at least one compound of formula (I) wherein X denotes a halogen atom, a methoxy group or an ethoxy group; Y denotes an oxygen atom, a sulfur atom or a selenium atom; R1 and R2 are equal or different and independently of each other denote hydrogen, a halogen atom, a (C1-C4)-alkyl group, a halogen-substituted (C1-C4)-alkyl group, a (C1-C4)-alkoxy group, a nitro group, an acetamido group or an NRaRb group, wherein the Ra and Rb groups are equal or different and independently of each other denote hydrogen, a (C1-C4)-alkyl group, an optionally substituted aromatic carbon ring or a (C1-C4)-alkanecarbonyl group, or Ra and Rb together with the nitrogen atom form a heterocyclic (C3-C6) group, and component (A2) contains at least one compound from the group consisting of amines, aminonitrobenzenes and phenols; to a method for dyeing

Abstract: The present invention relates to a fiber-dyeing agent (A) prepared by mixing two components (A1) and (A2), said agent being characterized in that component (A1) contains at least one compound of formula (I) 1

Abstract: A center bearing for a shaft, in particular a propeller shaft, has a rolling bearing arranged on the propeller shaft and a bearing housing surrounding the center bearing. A slide ring in which the rolling bearing is axially displaceable is arranged over the outer periphery of the rolling bearing. A decoupling element is arranged between the slide ring and the bearing housing.

Abstract: The dye-containing mass contains or consists of a compound of formula I: ##STR1## wherein R represents a DL-, D- or L-aldopyranose or a DL-, D- or L-ketopyranose, and X and Y, independently of each other, each represent a hydrogen atom, a halogen atom, a hydroxy group or an alkoxy group with from 1 to 4 carbon atoms; and, if needed, a direct-dyeing dye compound. The ready-to-use hair dye composition according to the invention is obtained by mixing this dye-containing mass with a hydrolase enzyme, e.g. a .beta.-galactosidase. The method for dyeing hair includes applying this ready-to-use hair dye composition to the hair.

Abstract: The present invention includes new 4-{4'-{bis-(.beta.-hydroxyethyl)amino}phenylazo}benzenesulfonic acid amides of formula (II) ##STR1## wherein Y is fluorine, chlorine or bromine. The invention also includes new hair dyeing compositions for dyeing hair including 0.01 to 5 percent by weight of the compound of formula II, 0.5 to 30 percent by weight of a surfactant and a solvent which can be water, ethanol, propanol, isopropanol, glycerin or 1,2-propylene glycol.

Abstract: Alkyl glycidol ether/dithiophosphoric acid addition products corresponding to the following general formula:[R.sup.1 ]O[C(H)(H)][C(H)C(H)(H)(OH)(R.sup.4)] (I)in whichR.sup.4 =[(R.sup.2 O)(R.sup.3 O)]P(S)S,R.sup.1 . . . R.sup.3 =alkyl, aryl,a process for the production of the adducts from the corresponding dithiophosphoric acids and glycidol ethers and the use of the addition products as lubricant additives in lubricants based on mineral oils or native oils.

Abstract: The composition for dyeing hair yellow contains 2-nitroaniline derivatives of the general formula I: ##STR1## in which, R.sup.1 and R.sup.2 represent, independent of one another, hydrogen an alkyl of 1 to 4 carbon atoms, a monohydroxyallkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, provided that R.sup.1 and R.sup.2 do not simultaneously represent alkyl groups of 1 to 4 carbon atoms, and X denotes an alkyl, monohydroxyalkyl, perfluoroalkyl or halogen. Also disclosed are new 2-nitroanitrile derivatives of the general formula II: ##STR2## in which R.sup.a and R.sup.b denote, independent of one another, ethyl, a monohydroxylalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, when Z is methyl, Cl or Br; or when Z is CH.sub.2 OH or a perfluoroalkyl, R.sup.a denotes hydrogen, a monohydroxyalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, and R.sup.b represents 2-hydroxyethyl or 2,3-dihydroxypropyl.

Abstract: A composition and a process for the oxidative dyeing of hair based on a combination of developer substance and coupling substance, wherein there is used as the coupling substance a 3-(2',2',2'-trifluoroethyl)aminophenol derivative having the formula (I) ##STR1## wherein the radical R represents an alkyl radical containing 1 to 4 carbon atoms, a mono- or polyhydroxy-alkyl radical containing 1 to 4 carbon atoms and up to 3 hydroxyl groups, an alkoxy radical containing 1 to 4 carbons atoms, a mono- or polyhydroxy-alkoxy radical containing 1 to 4 carbons atoms and up; to 3 hydroxyl groups or a halogen atom or its physiologically compatible salt as well as novel 3'-(2',2',2'-trifluoroethyl)aminophenol derivatives.

Abstract: 2-nitroaniline derivatives of the general formula I: ##STR1## in which R.sup.1 and R.sup.2 represent, independent of one another, hydrogen, an alkyl of 1 to 4 carbon atoms, a monohydroxyalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, provided that R.sup.1 and R.sup.2 do not simultaneously represent alkyl groups of 1 to 4 carbon atoms, and X denotes an alkyl, monohydroxyalkyl, perfluoroalkyl or halogen, for use as an agent in a hair dyeing composition. Also disclosed are new 2-nitroaniline derivatives of the general formula II: ##STR2## in which R.sup.a and R.sup.b denote, independent of one another, ethyl, a monohydroxylalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, when Z is methyl, Cl or Br; or when Z is CH.sub.2 OH or a perfluoroalkyl, R.sup.a denotes hydrogen, a monohydroxyalkyl of 2 to 4 carbon atoms or a dihydroxyalkyl of 3 or 4 carbon atoms, and R.sup.b represents 2-hydroxyethyl or 2,3-dihydroxypropyl.

Abstract: A composition and process are disclosed for oxidative coloring of hair on the basis of at least one substituted phenol of the general formula ##STR1## whereby R.sub.1 represents a hydroxy alkyl group with 1 to 4 carbon atoms and R.sub.2 a hydrogen atom or alkyl group with 1 to 4 carbon atoms, or the phenolate thereof, as a coupler substance. The inventive coupler substance, of which 2-hydroxy-methyl-5-methyl-phenol and 3-(.beta.-hydroxy ethyl)-6-methyl-phenol are preferred, should be present in a concentration of about 0.01 to 3.0% by weight, in particular 0.1 to 2.0% by weight. The described coupler substances are active as blue couplers. The obtained color shades are stable, resistant to wear and very well reproducible. They have very favorable characteristics with respect to toxicology and dermatology and do not give the colored hair an unpleasant, penetrating cresolic aroma.

Abstract: Novel 2-alkyl sulfonyl ethyl-1,4-diaminobenzenes of formula 1 ##STR1## wherein R denotes CH.sub.3 or C.sub.2 H.sub.5 and the salts thereof, a process for making the compositions of formula I as well as compositions for the oxidative dyeing of human hair upon the basis of a developing substance-coupler substance-combination with a content of a composition of formula I as developing substance. The well water soluble developing substances of the formula I result in very natural appearing blond to brown color shades in combination with the coupler substances resorcinol, 4-chororesorcinol,4,6-dichlororesorcinol, 4-hydroxy-1,2-methylenedioxybenzene and 4-amino-1,2-methylenedioxybenzene.

Abstract: 2-hydroxy-4-aminobenzene are disclosed, useful as oxidative hair coloring substances. These are of the formula ##STR1## wherein R is hydrogen, methyl or hydroxyethel.

Abstract: A device for the continuous wet treatment of moving webs, particularly the washing and drying of textile webs, wherein the webs pass through a chamber over reversing rollers from top to bottom or from bottom to top in a substantially horizontal mode of travel, the device comprising in addition to the reversing rollers, guide rollers and squeezing rollers, and a plurality of wipers for stripping liquid off the web, some of said wipers being arranged in the free horizontal stretches between the several rollers.