Abstract: The invention relates to a lipid compound of formula (I): ##STR1## where R.sub.1 denotes a C.sub.11 to C.sub.21 alkyl or alkenyl radical and R.sub.2 denotes a linear or branched C.sub.8 to C.sub.30 hydrocarbon radical, saturated or bearing one or more ethylenically unsaturated bonds, and also to a process for preparing it and to compositions for cosmetic use or pharmaceutical use for skin conditions containing this compound.

Abstract: The present invention relates to the compounds of formula (I): ##STR1## in which: R.sub.1 and R.sub.2, which are identical or different, denote a methyl or ethyl radical;R.sub.3 denotes a methyl, ethyl or hydroxyethyl radical;A denotes a ##STR2## radical or ##STR3## R denotes H or CH.sub.3 ; X denotes Cl.sup.-, BR.sup.-, I.sup.-, CH.sub.3 OSO.sub.3.sup.-, CH.sub.3 SO.sub.3.sup.-, ##STR4## p and q, which are identical or different, denote integers such that 1.ltoreq.p.ltoreq.15, 0.ltoreq.q.ltoreq.13 and 2.ltoreq.p+q.ltoreq.20;n denotes an integer equal to 2 or 3;m denotes 0 or 1, and m+q.noteq.0;as well as the salts from neutralization by bases, their preparation process and their utilization as an additive in compositions for treatment of keratinous materials.

Abstract: The invention relates to compounds of formula: ##STR1## in which m, n, p and q are equal to 0 or 1, p being different from q and the sum m+n+p+q being equal to 2, A denotes a nonionic chain arrangement chosen from the groups:C.sub.2 H.sub.4 O.sub.r and/orC.sub.3 H.sub.5 (OH)O.sub.s,in which r denotes a number which can assume all integral values between 0 and 5 or a statistical average value between 0 and 20,s denotes a number which can assume all integral values between 0 and 5 or a statistical average value between 0 and 10,u is equal to 0 or 1, with the restriction that when u=0, s and r are also zero,R denotes(i) a linear or branched hydrocarbon radical which has 1 to 32 carbon atoms and can contain one or more oxygen atoms in the chain or bear one or more OH groups or(ii) a (C.sub.8 -C.sub.18 alkyl)phenyl radical.These compounds can be used for preparing stable chemical compounds, for conveying active substances or for forming vesicles.

Abstract: The invention relates to a lipid compound of formula (I): ##STR1## where R.sub.1 denotes a C.sub.11 to C.sub.21 alkyl or alkenyl radical and R.sub.2 denotes a linear or branched C.sub.8 to C.sub.30 hydrocarbon radical, saturated or bearing one or more ethylenically unsaturated bonds, and also to a process for preparing it and to compositions for cosmetic use of pharmaceutical use for skin conditions containing this compound.

Abstract: Ethers and/or esters of D-desosamine having the formula ##STR1## whereinn represents 0 or 1; R and R', each independently, represent linear or branched alkyl having 1-30 carbon atoms, alkenyl having 5-21 carbon atoms, cycloalkyl having 4-10 carbon atoms, cycloalkylalkyl having 5-11 carbon atoms or phenyl or arylalkyl optionally substituted; or R can represent hydrogen when n=1 and R' can represent hydrogen when n=0, the number of carbon atoms of R, R' or R+R' being equal to 9 to 33 inclusive; or R represents the aglyconic part of erythralosamine and R' represents linear or branched alkyl having 9-30 carbon atoms or alkenyl having 11-21 carbon atoms; and the .alpha. and .beta. anomers, their mixture and their salts.These compounds are usefully employed as anti-bacteria and anti-fungus agents in pharmaceutical and cosmetic compositions.

Abstract: Lipophilic quaternary ammonium salicylate, characterized in that it corresponds to the formula: ##STR1## in which: (i) R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical or different, denote an alkyl or alkylcycloalkyl radical, optionally substituted or interrupted;(ii) R.sub.3 and/or R.sub.4 denote(s) a group:R.sub.8 --OC.sub.2 H.sub.3 R.sub.7 ].sub.n [OCH.sub.2 CHOH--CH.sub.2 ].sub.pin which: 0.ltoreq.n.ltoreq.4 and p denotes 0 or 1; R.sub.8 denotes H or an alkyl, alkenyl, alkylcycloalkyl or alkylaryl radical;(iii) R.sub.4 denotes an alkylphenyl radical;(iv), (v) R.sub.1 and R.sub.2 can form a saturated or unsaturated aromatic or non-aromatic heterocycle;(vi) R.sub.1, R.sub.2 and R.sub.3 form polycyclic derivatives with the nitrogen atoms; R.sub.5 denotes a group corresponding to the formula: ##STR2## in which n is an integer varying between 0 and 10.

Abstract: Amphiphilic lipid compound having the formula: ##STR1## in which: R.sub.1 denotes a C.sub.7 -C.sub.21 alkyl or alkenyl radical,R.sub.2 denotes a saturated or unsaturated C.sub.7 -C.sub.31 hydrocarbon radical,COA denotes a group chosen from the following groups:a) COOM, M being H, Na, K, NH.sub.4 or a substituted ammonium ion derived from an amine,b) ##STR2## B being a radical derived from mono- or polyhydroxylated primary or secondary amines and R denoting a hydrogen atom or a methyl, ethyl or hydroxyethyl radical,c) ##STR3## Q denoting a substituted aminoalkyl or ammonioalkyl radical and R having the meaning indicated for b), andd) COOZ, Z representing the residue of a C.sub.3 -C.sub.7 polyol, and a process for its preparation.Cosmetic or dermopharmaceutical composition comprising the said compound and especially an aqueous dispersion of liposomes.

Abstract: The alkyl esters of N-carboalkyloxy-11-aminoundecanoic acids have the following general formula: ##STR1## wherein R is linear or branched C.sub.7-30 alkyl, linear or branched C.sub.4-22 alkenyl or a radical of formula: ##STR2## wherein n is 0 to 5R" is H or linear or branched C.sub.1-9 alkyl, andR' is linear C.sub.10-18 alkyl.These esters, and esters wherein R is additionally hydrogen or C.sub.1-6, have an application as thickening agents in organic media particularly in the cosmetic field.

Abstract: Retinoic esters of L-cladinose have the formula ##STR1## wherein the ##STR2## radical is (all trans) retinoyl, (13 cis) retinoyl or etretinoyl, and R.sub.2 represents linear or branched alkyl having 1-24 carbon atoms; and the .alpha. and .beta. anomers and their mixtures.These esters are usefully employed in human and veterinary medicines and in cosmetic compositions.

Abstract: Retinoic esters of D-desosamine have the formula ##STR1## wherein the ##STR2## radical is (all trans) retinoyl, (13 cis) retinoyl or etretinoyl, and R.sub.2 represents linear or branched alkyl having 1-24 carbon atoms; and the .alpha. and .beta. anomers, their mixtures and their salts.These esters are usefully employed in human and veterinary medicines and in cosmetic compositions.

Abstract: Non-ionic products of the formula:R--X--[C.sub.2 H.sub.3 (OCH.sub.2 CH.sub.2).sub.n(OH)--CH.sub.2 --Y--R'in which R and R' denote alkyl or alkenyl radicals having from 6 to 20 carbon atoms, the sum of the numbers of carbon atoms in R and R' being 24 to 32; X denotes an oxygen atom, a sulphur atom or a sulphoxide group; Y denotes a sulphur atom, a sulphoxide group or a methylene group (if Y denotes methylene, the sum of the numbers of carbon atoms in R and R' is 22 to 30); and n denotes an integer or decimal number from 1 to 40 are disclosed. These non-ionic compounds are suitable for use in pharmaceutical or cosmetic applications, in particular for the care of the skin or hair.

Abstract: All trans or 13-cis retinoic acid esters of macrolide and lincosamide antibiotics. These esters are useful in the therapeutic and cosmetic treatment of dermatosis and principally in the treatment of acne.

Abstract: A pharmaceutical or cosmetic composition for topical application comprises, in a physiologically acceptable support, the combination of benzoyl peroxide and at least one quaternary ammonium lipophilic salicylate having general formula (I): ##STR1## where: (i) R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be identical or different, representing a substituted or interrupted alkyl or cycloalkyl radical;(ii) R.sub.3 and/or R.sub.4 represent(s) the group:R.sub.8 --OC.sub.2 H.sub.3 R.sub.7 ].sub.n [OCH.sub.2 CHOH--CH.sub.2 ].sub.pwhere O.ltoreq.n.ltoreq.4 and p is 0 or 1; R.sub.8 represents H or an alkyl, alkenyl, alkylcycloalkyl or alkylanyl radical;(iii) R.sub.4 represents an alkylenephenyl radical;(iv), (v): R.sub.1 and R.sub.2 may form an aromatic or nonaromatic saturated or unsaturated heterocycle;(vi) R.sub.1, R.sub.2 and R.sub.3 together with nitrogen, may form polycyclic derivatives; and R.sub.5 represents a group having the formula: ##STR2## where n may vary from 0 to 10.

Abstract: The invention relates to compounds of formula: ##STR1## in which m, n, p and q are equal to 0 or 1, p being different from q and the sum m+n+p+q being equal to 2, A denotes a nonionic chain arrangement chosen from the groups:--C.sub.2 H.sub.4 O--.sub.rand/or--C.sub.3 H.sub.5 (OH)O--.sub.s,in which r denotes a number which can assume all integral values between 0 and 5 or a statistical average value between 0 and 20,s denotes a number which can assume all integral values between 0 and 5 or a statistical average value between 0 and 10,u is equal to 0 or 1, with the restriction that when u=0, s and r are also zero,R denotes(i) a linear or branched hydrocarbon radical which has 1 to 32 carbon atoms and can contain one or more oxygen atoms in the chain or bear one or more OH groups or(ii) a (C.sub.8 -C.sub.18 alkyl)phenyl radical.These compounds can be used for preparing stable chemical compounds, for conveying active substances or for forming vesicles.

Abstract: Diaromatic esters of macrolidic and lincosamidic antibiotics are employed in the treatment of acne.

Abstract: Esters of the etretinic type or related to macrolides and lincosamides are employed in the treatment of acne and psoriasis.

Abstract: Polycyclic aromatic esters of macrolidic and lincosamidic antibiotics are employed in the treatment of acne.

Abstract: Polyaromatic esters of macrolidic and lincosamidic antibiotics are employed in the treatment of acne.

Abstract: Aromatic esters of macrolidic and lincosamidic antibiotics are employed in the treatment of acne.

Abstract: Unsaturated cycloaliphatic esters of macrolidic and lincosamidic antibiotics are employed in the treatment of acne.