摘要:
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.
摘要:
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.
摘要:
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 whichr 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 to 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.
摘要翻译:本发明涉及下式的化合物:其中m,n,p和q等于0或1,p不同于q,并且总和m + n + p + q等于2, A表示选自以下基团的非离子链配置:-C 2 H 4 O-r和/或-C 3 H 5(OH)O,其中r表示可以采用0和5之间的所有积分值或0和20之间的统计平均值的数字 s表示可以采用0和5之间的所有积分值或0和10之间的统计平均值,u等于0至1的数字,限制为当u = 0时,s和r也为零,R 表示(i)具有1至32个碳原子并且可以在链中含有一个或多个氧原子或承载一个或多个OH基团或(ii)(C 8 -C 18烷基)苯基的直链或支链烃基。 这些化合物可用于制备稳定的化合物,用于输送活性物质或形成囊泡。
摘要:
Composition for promoting healing containing, as a healing agent, nonionic vesicles obtained from a lipid mixture containing at least one nonionic lipid having the formula; ##STR1## wherein R is either at least one C.sub.16 -C.sub.18 radical, or R'CO wherein R' is at least one C.sub.15 -C.sub.17 alkyl radical, in combination with cholesterol and, optionally, dicetylphosphate or tetracetylphospate.This composition can be used topically to accelerate the scarring of wounds.
摘要:
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.
摘要:
4-Hydroxyisoxazole derivatives corresponding to the formula: ##STR1## wherein: R represents a linear or branched alkyl or hydroxyalkyl radical with 1 to 23 carbon atoms, a linear or branched alkenyl radical with 2 to 23 carbon atoms, a phenyl radical, or a benzyl radical, andR.sub.1 represents OR.sub.2, --NHR.sub.3, or --NH--NHR.sub.4,R.sub.2 represents a hydrogen atom or an alkyl radical with 1 to 24 carbon atoms,R.sub.3 represents a hydrogen atom, an alkyl radical with 1 to 20 carbon atoms, or a ##STR2## radical, where n is 2 to 3 and r' and r" are identical or different, representing a hydrogen atom or a lower alkyl radical or forming a heterocycle when taken together such as morpholine, piperidine, or piperazine,R.sub.4 represents a hydrogen atom or a benzyl radical,and the salts of the formula (I) compounds.These derivatives are applicable to therapeutic and cosmetic fields, in particular to counteract the harmful effects of the sun.
摘要:
Quaternary siloxane polymers of the formula: ##STR1## in which A denotes an .alpha.,.beta.-bis-alkylpolysiloxane or a C.sub.1-6 hydrocarbon chain which can contain OH groups and can be interrupted by one or more oxygen atoms and/or aromatic rings; R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which are identical or different, denote a C.sub.1 -C.sub.6 alkyl or phenyl; R.sub.5 =methyl, ethyl or --CH.sub.2 --; R.sub.6 =C.sub.1 -C.sub.18 alkyl or --CH.sub.2 --; if R.sub.5 and/or R.sub.6 denote --CH.sub.2 --, they form a methylpiperazinium radical or ethylpiperazinium radical, a diethylenediamine radical or a heterocycle with --N--A--N--; Y denotes one of the anions Cl.sup.-, Br.sup.-, CH.sub.3 SO.sub.3.sup.-, ##STR2## m=1-6; and p=1-50 are disclosed for use, in particular, for treating the hair, nails and skin. They are resistant to several rinses on these substrates.
摘要:
A urethane derivative from amino acids has the formula ##STR1## wherein R represents --CH.sub.2 OH, --CHOH--CH.sub.3 or --(CH.sub.2).sub.3 --NH--CO--NHY, Y represents --H or --COOR', R' represents linear or branched alkyl, optionally unsaturated, having 8-24 carbon atoms, or a monocyclic cycloalkyl substituted by an alkyl whose total number of carbon atoms is equal to or greater than 10, or to the salts of the derivative of formula I or to a mixture of the derivatives of formula I and/or their salts. A method is given for the preparation of the urethane derivative of formula I, as are examples of cosmetic or pharmaceutical compositions containing the urethane derivative, as a hydrating agent, for the treatment of dry skin.
摘要:
The invention provides surface-active random oligomers of the general formula:R.sub.1 --O--C.sub.2 H.sub.3 (Z)--O].sub.n H (I)in which R.sub.1 denotes a linear or branched, saturated or unsaturated aliphatic hydrocarbon radical or a cyclo-aliphatic, aromatic or alkylaromatic radical containing 1 to 30 carbon atoms, Z denotes a group A and/or at least one group corresponding to the formula (II)R.sub.2 --O--C.sub.2 H.sub.3 (A)--O].sub.m CH.sub.2 -- (II)in which R.sub.2 denotes a hydrocarbon radical having the meaning indicated for R.sub.1 and containing a number of carbon atoms from 8 to 30, n denotes an average statistical value from 1 to 20, m denotes an average statistical value from 0.5 to 10 and A denotes a group of hydrophilic character. These oligomers can be used in cosmetic or pharmaceutical compositions.
摘要:
The invention provides surface-active random oligomers of the general formula:R.sub.1 --O--C.sub.2 H.sub.3 (Z)--O].sub.n H (I)in which R.sub.1 denotes a linear or branched, saturated or unsaturated aliphatic hydrocarbon radical or a cyclo-aliphatic, aromatic or alkylaromatic radical containing 1 to 30 carbon atoms, Z denotes a group A and/or at least one group corresponding to the formula (II)R.sub.2 --O--C.sub.2 H.sub.3 (A)--O].sub.m CH.sub.2 -- (II)in which R.sub.2 denotes a hydrocarbon radical having the meaning indicated for R.sub.1 and containing a number of carbon atoms from 8 to 30, n denotes an average statistical value from 1 to 20, m denotes an average statistical value from 0.5 to 10 and A denotes a group of hydrophilic character. These oligomers can be used in cosmetic or pharmaceutical compositions.