Abstract: A process for producing 2,5-diamino-6-nitropyridine derivatives having the general formula (I) ##STR1## wherein R.sup.1 to R.sup.4 represent hydrogen or the radicals alkyl, hydroxy alkyl, dihydroxy alkyl, alkoxy alkyl, alkoxy carbonyl, hydroxy- or chlorine-substituted alkoxy carbonyl, aminoalkyl and aminoalkyl substituted by alkyl or hydroxy alkyl groups, the alkyl groups in each case containing 1 to 4 carbon atoms or an oxazolidinone ring being formed by R.sup.1 and R.sup.2 and/or R.sup.3 and R.sup.4. The present invention also relates to novel 2,5-diamino-6-nitropyridine derivatives and to a hair dyeing agent containing 2,5-diamino-6-nitropyridine derivatives, which are direct nitro dyes coloring the hair yellow orange to blue violet and are physiologically harmless.

Abstract: A cosmetic composition is disclosed for the treatment of hair or skin, based upon 0.05 to 10% by weight of chitosan, and characterized by a content of 0.05 to 20% by weight of an ampholytic copolymerizate of formula (I) ##STR1## wherein m=0.5 to 0.9, n=0.1 to 0.5, m+n=1 and p being such that the ampholytic copolymerizate has a molecular weight of from 1,000 to 3,000,000.wherein m=0.1 to 0.9 and n=0.5 to 0.9. The composition provides clear, smooth films, which are neither sticky in moist climate, nor brittle in dry climate. Also disclosed are new chitosan/polyampholyte salts, obtained by reaction of chitosan with an ampholytic copolymerizate of formula (I).

Abstract: The hairwax comprises a combination of(a) 10 to 41 percent by weight polyethylene glycol (M.W.=3000 to 5000).(b) 8 to 25 percent by weight hydrogenated castor oil which is ethoxylated with 40 to 60 moles ethylene oxide,(c) 36 to 51 percent by weight glycerol and/or ethyl hexanediol and/or polyethylene glycol (M.W.=100 to 300),(d) 0 to 15 percent by weight water.Our hairwax may also contain0 to 6 percent by weight of a cosmetic dyestuff and/or0 to 25 percent by weight of a pearl-luster pigment. The hairwax can be easily rinsed out of the hair but has good hairstyling properties.

Abstract: The invention is directed to cosmetic compositions for the treatment of hair or skin characterized in that they contain new N-hydroxybutyl-chitosans, or their salts, consisting of(a) 4 to 40 mole percent monomer units of the formula (I) ##STR1## and (b) 60 to 96 mole percent monomer units of the formula (II) ##STR2## wherein R.sup.1 and R.sup.2 are identical or different and designate hydrogen or the group ##STR3## with n being equal to an integer from 1 to 5, provided that R.sup.1 and R.sup.2 are not simultaneously hydrogen in at least 50 percent of the units of formula (II). In addition, it is directed to new N-hydroxybutyl-chitosans and their salts and a process for producing these new compounds from butylene oxide and chitosan.

Abstract: The present invention relates to a cosmetic for the treatment of hair and skin which is characterized by a content of novel N-hydroxy-propyl-isopropyl ether chitosans consisting of (a) 4 to 40 mole percent of monomer units having the formula (I) ##STR1## and (b) 60 to 96 mole percent of monomer units having the formula (II) ##STR2## wherein R.sup.1 and R.sup.2 are identical or different and represent hydrogen or the group ##STR3## wherein n equals 1 or 2, with the condition that in at least half the units having the formula (II) R.sup.1 and R.sup.2 do not simultaneously represent hydrogen. The present invention also relates to novel N-hydroxy-propyl-isopropyl ether chitosans.

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: The compound 4-(N-ethyl-N-2'-hydroxyethyl)-amino-1-(2"-hydroxyethyl)-amino-2-nitrobenze ne, having the formula: ##STR1## is provided for use as a blue coloring nitro dye in a hair dyeing composition that may be directly applied to hair without the use of oxidation agents.

Abstract: The quaternary chitosan derivatives useful in cosmetic compositions are made by a process comprising reacting a chitosan consisting of 50 to 100% deacetylized chitin or a structurally modified chitosan made by reprecipitating and deep freezing, with glycidyl trialkyl ammonium halogenide, particularly glycidyl trimethyl ammonium chloride, and, if necessary, with glycidol. The reaction mixture is advantageously stirred for several hours at 10.degree. to 100.degree. C. The reaction may be performed in the presence of an organic or inorganic acid or base in water.

Abstract: Tetrafluoroethoxybenzenes, and their acid addition salts, of the general formula: ##STR1## in which R.sup.1 may represent hydrogen or an alkyl having from 1 to 4 carbon atoms and R.sup.2, R.sup.3 and R.sup.4 represent one or more of the same or different substituents selected from hydrogen, an alkyl having 1 to 4 carbon atoms or mono- or dihydroxyalkyls having 1 to 4 carbon atoms, provided that the amino groups are situated relative to one another in an ortho- or meta- position and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 do not simultaneously represent hydrogen when the amino groups are arranged in a 2,4-position. The compounds of the invention, along with 2,4-diaminotetrafluoroethoxybenzene, are useful as coupler components in oxidative hair coloring agents. A process for making the compounds, as well as a separate process for making the mono-N-.beta.-hydroxyethyl compounds, is provided.

Abstract: Skin treating composition on the basis of compatible carrier and additional compositions with a content of a defined tetrahydro-1,3-thiazine-2,4-dion derivatives as active ingredients for thickening the epidermis. The skin treating compositions are applied 1-2 times daily onto the skin for about 3 to 4 weeks. Due to the thickening of the epidermis they cause a reinforcement of the skin, in particular against sun rays, cold and the contact with noxious environmental substances of all kinds. Moreover, the skin treating compositions are suitable for a prophylactic fighting of the so-called old age skin. An object of the invention are novel tetrahydro-1,3-thiazine-2,4-dion derivative which are active in the aforementioned manner having the formula ##STR1## wherein R denotes H, alkyl, aryl, arylalkyl has substituted arylalkyl or substituted aryl in the aryl portion, R.sup.2 =H is aryl or substituted aryl, R.sup.b =H, denotes aryl or substituted aryl and R.sup.3 =H, represents alkyl or aryl, provided that R.sup.

Abstract: A composition and method for the oxidative dyeing of hair based on a combination of coupler substance and developer substance, wherein they contain(A) 5-amino-2-methylphenol as coupler substance and(B) 4-amino-3-methylphenol and(C) 1,4-diaminobenzene and/or 2,5-diaminotolueneas developer substances, also in the form of the physiologically compatible salts.The new composition enables the production of neutral red color shades which are free from yellow and virtually free of blue portions and, in addition to the high dye intensity and brilliance, have an outstanding dye equality with very good absorptive power.

Abstract: A lower part (2) of a frame (1) comprises a filling valve (4) with an upwardly projecting filling plug which can be connected to a filling closure (8) in the base of a mountable portion container (5). A support (9) which projects upwardly from the lower part (2) of the frame (1) bears a dispensing connector (10) which is connected via a pipe (13) to the filling valve (4). A storage container (12), e.g. for a liquid permanent wave agent, can be mounted on the connector (10). The filling valve (4) is opened when the portion container (5) is mounted.

Abstract: A multichamber container with no compressed gas therein comprises an outer container and an inner container for pourable substances which are to be kept separate. The substances may be combined inside the container for the purpose of extracting a mixture of substances. The inner container has an open end which is connected to an inner side of a cap with positive locking, in a non-rotatable and axially detachable manner, and has at least one projection on the outside wall. The outer container is connected to the rotatable cap by means of a snap connection and has at least one projection on the inside wall. The projectins of both containers are formed in such a manner that they intercommunicate for combining the substances by rotation of the cap. The inner container is axially detachable from the cap.

Abstract: Composition for setting the hairdo and grooming of the hair on the basis of a synergistic combination of (a) 0.1 to 10.0% by weight of a quaternized copolymerisate consisting of vinyl pyrrolidon and dimethyl aminoethyl methacrylate (80:20) and (b) 0.1 to 5.0% by weight tetraoxyethylene lauryl ether.By corresponding tests it is shown that other fatty alcohol polyoxyethylene ether than tetraoxyethylene lauryl ether with the component (a) do not show a synerigistic effect reinforcement.

Abstract: An arrangement for treatment of hair with circulating liquid comprises a circulating pump unit provided with a pump and having a suction opening and a discharge opening. A foot is to seal an opening of a flushing basin and formed as a plug matching with the opening of the flushing basin.

Abstract: The use of dipropylene glycol monomethyl ether in a quantity of 2 to 25 percent by weight as a swelling and penetrating material in hair shaping compositions based on a keratin softening active ingredient or an oxidizing active ingredient.The use of dipropylene glycol monomethyl ether brings about a clear increase in the effect of hair shaping compositions with an equally good or improved physiological compatibility.

Abstract: New 5-alkoxy-2,4-diaminoalkylbenzenes is disclosed having the formula (I) ##STR1## where R.sup.1 is methyl or ethyl and R.sup.2 is an alkyl radical having from 2 to 4 carbon atoms, a monohydroxyalkyl radical having from 2 to 4 carbon atoms or a dihydroxyalkyl radical having from 3 to 4 carbon atoms, as well as their acid addition salts, and oxidative hair dyeing compositions containing compounds of formula (I).

Abstract: The subject matter of the invention is a composition and a process for improving the condition of hair are improved based on a synergistic combination of glycine with a physiologically compatible aliphatic organic acid which is free of amino groups, particularly citric acid, and a wax and/or oil component, particularly a mixture of petrolatum and fatty alcohols.The combination of glycine, physiologically compatible aliphatic organic acid which is free of amino groups, and wax and/or oil components, which combination has a hair conditioning action, is completely harmless physiologically and can also be used together with anionic surfactants. The compositions, according to the invention, act on the hair so as to disentangle it, smooth the hair surface and improve the feel as well as the ability of the hair to be combed.

Abstract: Tetrafluoroethoxybenzenes, and their acid addition salts, of the general formula: ##STR1## in which R.sup.1 may represent hydrogen or an alkyl having from 1 to 4 carbon atoms and R.sup.2, R.sup.3 and R.sup.4 represent one or more of the same or different substituents selected from hydrogen, an alkyl having 1 to 4 carbon atoms or mono- or dihydroxylalkyls having 1 to 4 carbon atoms, provided that the amino groups are situated relative to one another in an ortho- or meta- position and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 do not simultaneously represent hydrogen when the amino groups are arranged in a 2,4- position. The compounds of the invention, along with 2,4-diaminotetrafluoroethoxybenzene, are useful as coupler components in oxidative hair coloring agents. A process for making the compounds, as well as a separate process for making the mono-N-.beta.-hydroxylethyl compounds, is provided.