US3462479A - Hydrazone sun-screening compounds - Google Patents
Hydrazone sun-screening compounds Download PDFInfo
- Publication number
- US3462479A US3462479A US517443A US3462479DA US3462479A US 3462479 A US3462479 A US 3462479A US 517443 A US517443 A US 517443A US 3462479D A US3462479D A US 3462479DA US 3462479 A US3462479 A US 3462479A
- Authority
- US
- United States
- Prior art keywords
- hydrazine
- methyl
- sulfobenzaldehyde
- sulfophenyl
- phenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 150000001875 compounds Chemical class 0.000 title description 41
- 238000012216 screening Methods 0.000 title description 5
- 150000007857 hydrazones Chemical class 0.000 title description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 128
- -1 alkali metal anion Chemical class 0.000 description 39
- 239000000047 product Substances 0.000 description 13
- 125000000217 alkyl group Chemical group 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000005711 Benzoic acid Substances 0.000 description 5
- 235000010233 benzoic acid Nutrition 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 239000003599 detergent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- SHHKMWMIKILKQW-UHFFFAOYSA-N 2-formylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1C=O SHHKMWMIKILKQW-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 150000002429 hydrazines Chemical class 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000000516 sunscreening agent Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000003287 bathing Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- SVSGKVLJUJOBNO-UHFFFAOYSA-N 3-chloro-4-hydrazinylbenzenesulfonic acid Chemical compound NNC1=CC=C(S(O)(=O)=O)C=C1Cl SVSGKVLJUJOBNO-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- 230000000475 sunscreen effect Effects 0.000 description 2
- RFQQTWOZHGEREC-UHFFFAOYSA-N 2-formyl-5-hydroxybenzenesulfonic acid Chemical compound OC1=CC=C(C=O)C(S(O)(=O)=O)=C1 RFQQTWOZHGEREC-UHFFFAOYSA-N 0.000 description 1
- XEESIWCWGFAPBD-UHFFFAOYSA-N 2-formylbenzene-1,3,5-trisulfonic acid Chemical compound OS(=O)(=O)C1=CC(S(O)(=O)=O)=C(C=O)C(S(O)(=O)=O)=C1 XEESIWCWGFAPBD-UHFFFAOYSA-N 0.000 description 1
- SQGXRAIEUNWHRI-UHFFFAOYSA-N 3-butyl-4-formylbenzenesulfonic acid Chemical compound C(CCC)C1=C(C=O)C=CC(=C1)S(=O)(=O)O SQGXRAIEUNWHRI-UHFFFAOYSA-N 0.000 description 1
- MRXZEDMLQMDMGB-UHFFFAOYSA-N 3-formylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC(C=O)=C1 MRXZEDMLQMDMGB-UHFFFAOYSA-N 0.000 description 1
- GXRQQNQCMLEUAW-UHFFFAOYSA-N 5-chloro-2-formylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC(Cl)=CC=C1C=O GXRQQNQCMLEUAW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- UOBCZXSWQQWTGC-UHFFFAOYSA-N amino(phenyl)carbamic acid Chemical class OC(=O)N(N)C1=CC=CC=C1 UOBCZXSWQQWTGC-UHFFFAOYSA-N 0.000 description 1
- ZMJZYXKPJWGDGR-UHFFFAOYSA-N aminosulfamic acid Chemical compound NNS(O)(=O)=O ZMJZYXKPJWGDGR-UHFFFAOYSA-N 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000003935 benzaldehydes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000005518 carboxamido group Chemical group 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000002603 chloroethyl group Chemical group [H]C([*])([H])C([H])([H])Cl 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- UUKHCUPMVISNFW-UHFFFAOYSA-L disodium;4-formylbenzene-1,3-disulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=O)C(S([O-])(=O)=O)=C1 UUKHCUPMVISNFW-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- GOUHYARYYWKXHS-UHFFFAOYSA-N para-formylbenzoic acid Natural products OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 1
- PWXJULSLLONQHY-UHFFFAOYSA-N phenylcarbamic acid Chemical class OC(=O)NC1=CC=CC=C1 PWXJULSLLONQHY-UHFFFAOYSA-N 0.000 description 1
- 150000004031 phenylhydrazines Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229940045998 sodium isethionate Drugs 0.000 description 1
- LADXKQRVAFSPTR-UHFFFAOYSA-M sodium;2-hydroxyethanesulfonate Chemical compound [Na+].OCCS([O-])(=O)=O LADXKQRVAFSPTR-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/466—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfonic acid derivatives; Salts
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/72—Hydrazones
Definitions
- R H I wherein in the free acid form (Ar) and (Ar) represent benzene rings; Y and Z are salt-forming groups selected from SO H and COOH; R is an aliphatic radical, e.g., alkyl, hydroxyalkyl, cyclohexyl; and n and m are integers from 1 to 3.
- Such compound has an absorption maxima within the range 2900 A. to about 3500 A.
- This invention relates to new and useful sun-screen compounds, to compositions containing such compounds, and to methods for protecting the human skin against the burning, tanning and degradation effects of sunlight, and in particular to cosmetic compositions incorporating the novel compounds of this invention which are outstandingly useful for protecting the skin against sunlight.
- Sun-screening compounds in general have been developed which afford quite satisfactory protection against the burning rays of the sun but which would permit the tanning rays to be transmitted. In the approximate range of from about 2900 to 3100 A. we find the most detrimental burning wavelengths in the suns rays. The effect of these wavelengths on the human skin is to produce a severe burning, reddening, blistering and edema which is characteristic of many burns. Obviously, this is not only not desirable from an esthetic point of view, but is a severe detriment to human health. In order, therefore, to overcome this effect of the burning rays of the sun, quite satisfactory compounds have been heretofore employed to screen out these burning rays.
- compositions which has an outstanding filtering action on those rays of the sun from about 2900 A. to about 3500 A.; the range of from about 3200 A. to 3500 A. encompassing the tanning wavelengths present in sunlight.
- One of the objects, therefore, of the present invention is to provide outstanding and useful compounds which have excellent filtering action on the ultraviolet rays of solar light and particularly those wavelengths of from about 2900 A. to about 3500 A.
- compositions and particularly cosmetic compositions, which may be applied to the human skin to protect it against the burning and tanning rays of the sun.
- a class of compounds hereinafter to be described has outstanding screening characteristics for the burning and tanning rays of the sun, and particularly those wavelengths in the ultraviolet region of from about 2900 A. to about 3500 A., and that such compounds have outstanding K values as well as unexpected superior light fastness and stability upon exposure to ultraviolet radiation.
- the K value is a measure of the efficiency of the compound to filter out specified wavelengths of light.
- a compound with a K value of 1 is one which, at a concentration of 0.1% in a thickness of 1 cm. reduces the light transmitted to 10% of the incident radiation.
- Y and Z are salt or salt-forming groups, particularly sulfonic or carboxylic;
- R is an aliphatic radical and preferably lower alkyl of 1 to 6 carbon atoms.
- R Ar J N-I I Ar m 2 03M)n wherein (Ar) and (Ar) are benzene rings; Z is SO M or --COOM; n and m have values from 1 to 3; R is lower alkyl of from 1 to 6 carbon atoms; and M is hydrogen or a salt-forming cation which preferably is an alkali metal anion, e.g., sodium, potassium, lithium, etc., or ammonium or amine.
- alkyl of 1 to 50 carbon atoms alkenyl of 3 to 50 carbon atoms cycloalkyl of 3 to 50 carbon atoms cycloalkenyl of to 50 carbon atoms haloalkyl of 1 to 50 carbon atoms (e.g., chloroethyl,
- the benzene nuclei may contain, in addition to the salt or salt-forming group, other substituents which are non-chromophoric (i.e., avoid chromophores such as nitro, azo, azoxy and the like).
- substituents which are non-chromophoric (i.e., avoid chromophores such as nitro, azo, azoxy and the like).
- an oxy group i.e., hydroxy, alkoxy or alkenoxy
- an auxochrome i.e., hydroxy, alkoxy or alkenoxy
- no more than one of such groups should be present since the absorption maxima of compounds with two or more oxy groups would in most instances be too close, if not in a visible region of the spectrum, tending thereby to lessen the effectiveness of these compounds for the use as sunscreen agents as herein contemplated.
- the compounds of, and used in, this invention do not contain amine groups, particularly bonded directly to the benzene nuclei since such compounds, in general, have inferior light fastness albeit they may have satisfactory absorption characteristics for the purposes of the present invention.
- the general procedure for preparing the compounds of this invention involves a condensation of a sulfoor carboxybenzene aldehyde with a sulfoor carboxy phenyl- (R-substituted) hydrazine.
- the condensation may be carried out in an aqueous medium especially since the reactants are, in general, soluble in water or in any selected solvent medium and isolated in the usual way by distillation, extraction, crystallization or precipitation.
- refluxing of the reactants with the aldehyde in the form of the sodium salt results in high yields after about 1 to 2 hours of refluxing.
- aldehydes which may be employed as reactants in preparing the compounds of this invention are: 2-sulfobenzaldehyde (o-formyl benzene sulfonic acid) 4-chloro-2-sulfobenzaldehyde S-chloro-2-sulfobenza1dehyde 6-chloro-2-sulfobenzaldehyde 4-hydroxy-2-sulfobenzaldehyde 3-sulfobenzaldehyde 4-bromo-3-sulfobenzaldehyde 4-chloro-3-su1fobenzaldehyde 4-fiuoro-3-sulfobenzaldehyde 4-iodo-3-sulfobenzaldehyde 4-hydroxy-3-sulfobenzaldehyde 2,6-dichloro-3-sulfobenzaldehyde 4-sulfobenzaldehyde 2-chloro-4-sulfobenzaldehyde S
- the N-alkyl anilines may be sulfonated first and then nitrosated and reduced.
- the N-alkyl aniline contains a para substituent such as alkyl, halogen, cyano, sulfonyl, carbalkoxy and the like, the sulfonation will take place in the ortho position. Where these substituents are ortho or meta, sulfonation will be para.
- a para substituent such as alkyl, halogen, cyano, sulfonyl, carbalkoxy and the like
- Example 1 Into a 3-liter flask equipped with a stirrer, thermometer, reflex condenser and heating mantle, there are charged the following ingredients:
- Example 2 Example 1 is repeated employing in place of the sodium salt of 2-sulfobenzaldehyde, the same Weight of 3-sulfobenzaldehyde (i.e., 46.3 g. on a basis).
- the product is l-methyl-l-(p-sulfophenyl)-2 sulfophenyl hydrazone sodium salt.
- Example 3 Example 1 is once again repeated using an equivalent weight on a 100% basis of 2,4-disulfo benzaldehyde sodium salt in place of the sulfobenzaldehyde of Example 1.
- the product obtained is l-methyl 1 (2,4 disulfophenyl)-Z-sulfophenyl hydrazone sodium salt.
- Example 4 Example 2 is repeated except that in place of the p-sulfonated hydrazine used in that example, there is used an equal weight of the o-sulfonated product.
- the product obtained is 1-methyl-1-(o-sulfophenyl)-2-sulfophenyl hydrazone sodium salt.
- Example 5 Example 4 is repeated except that in place of the osulfonated hydrazine, there is used an equivalent weight of the o-carboxylated hydrazine.
- the product obtained is 1-methyl-l-(o-carboxyphenyl)-2 sulfophenyl hydrazone sodium salt.
- Example A The product of Example 1 is incorporated into a neutral detergent composition in the form of a bar, and which contains as the main detersive ingredient a cocoanut oil acid ester of sodium isethionate.
- the amount of the product of Example 1 which is used is 0.2% by weight based on the total weight of the detergent bar.
- the bar is then used separately by five individuals in a bathing procedure, and thereafter the five persons are exposed to the afternoons summer sun for two hours.
- a similar group of five persons uses a similar detergent bar but devoid of the product of Example 1, and these individuals are similarly exposed as the first group.
- Each of the persons in the second group, after exposure, shows considerable reddening of the skin whereas none of the persons in the first group has any visible evidence of sunburn. This performance demonstrates not only the excellent sunscreen characteristics of the compound of Example 1, but also its outstanding substantivity for human skin from the detergent bar which is used for bathing.
- Example B The procedure of Example A is repeated except that in place of a detergent bar, there is used a conventional bar of soap (pH about containing 0.3% of the product of Example 1. Comparable results are obtained as in Example A.
- Example C The product of Example 1 is prepared as a 10% by weight solution in water, and to this solution there is immersed a sample of cellulose textile material which has been previously dyed with a dark red cotton dye. After removal and drying of the sample, it is placed in a vadeometer along with a similarly dyed sample which has not been treated with the product of Example 1. After four hours exposure, the untreated sample shows severe fading whereas the treated goods shows no fading of the dyeing.
- Example 6-25 In the following examples, Example 1 is repeated except that in place of 2-sulfobenzaldehyde, there are used the following benzaldehydes in equivalent amounts:
- Y and Z are salt-forming groups selected from sulfonic acid and carboxyl;
- R is a radical selected from alkyl, hydroxyalkyl,
- n and m are integers from 1 to 3; the compound having an absorption maxima within the range of 2900 A. to about 3500 A.
- R is alkyl of 1 to 6 carbon atoms.
- R is alkyl of 1 to 6 carbon atoms and n and m are 1.
- R is alkyl of 1 to 6 carbon atoms and n and m are 1.
- a water-soluble salt of a compound as defined in claim 1 wherein the cation is selected from the class consisting of alkali metal, ammonium, and amine cations.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Organic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51744365A | 1965-12-29 | 1965-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3462479A true US3462479A (en) | 1969-08-19 |
Family
ID=24059822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US517443A Expired - Lifetime US3462479A (en) | 1965-12-29 | 1965-12-29 | Hydrazone sun-screening compounds |
Country Status (7)
Country | Link |
---|---|
US (1) | US3462479A (instruction) |
BE (1) | BE691462A (instruction) |
CH (1) | CH495959A (instruction) |
DE (1) | DE1568725A1 (instruction) |
FR (1) | FR1506841A (instruction) |
GB (1) | GB1172509A (instruction) |
NL (1) | NL6617904A (instruction) |
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US6998113B1 (en) | 2005-01-31 | 2006-02-14 | Aquea Scientific Corporation | Bodywashes containing additives |
US7001592B1 (en) | 2005-01-31 | 2006-02-21 | Aquea Scientific Corporation | Sunscreen compositions and methods of use |
US7025952B1 (en) | 2005-01-31 | 2006-04-11 | Aquea Scientific Corporation | Methods of preparation and use of bodywashes containing additives |
US7037513B1 (en) | 2005-01-31 | 2006-05-02 | Aquea Scientific Corporation | Bodywash additives |
US20060173709A1 (en) * | 2005-01-31 | 2006-08-03 | Traynor Daniel H | Bodywash additive business methods |
US20080112904A1 (en) * | 2005-03-08 | 2008-05-15 | Daniel Henry Traynor | Sunscreen Compositions And Methods Of Use |
US20080317795A1 (en) * | 2007-05-21 | 2008-12-25 | Daniel Henry Traynor | Highly charged microcapsules |
US9456966B2 (en) | 2012-11-06 | 2016-10-04 | CoLabs International Corporation | Composition containing a cellulose derived capsule with a sunscreen |
US10322301B2 (en) | 2012-11-06 | 2019-06-18 | CoLabs International Corporation | Compositions containing a cellulose derived capsule with a sunscreen active agent |
US11491088B2 (en) | 2012-11-06 | 2022-11-08 | CoLabs International Corporation | Compositions containing a capsule with a moisturizing agent |
US11690793B2 (en) | 2012-11-06 | 2023-07-04 | Colabs Int'l Corp. | Composition containing a cellulose derived capsule with a sunscreen |
US11707421B2 (en) | 2012-11-06 | 2023-07-25 | Colabs Int'l Corp. | Compositions containing a flexible derived capsule with an active agent |
US11724134B2 (en) | 2012-11-06 | 2023-08-15 | CoLabs International Corporation | Compositions containing a cellulose derived capsule with a sunscreen active agent |
US11839674B2 (en) | 2018-06-27 | 2023-12-12 | CoLabs International Corporation | Compositions comprising silicon dioxide-based particles including one or more agents |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3176608D1 (en) * | 1980-05-21 | 1988-02-18 | Ciba Geigy Ag | Process for the preparation of a uv-absorbing mask |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1935712A (en) * | 1928-03-02 | 1933-11-21 | Gen Aniline Works Inc | Ketone hydrazones, and process of making the same |
-
1965
- 1965-12-29 US US517443A patent/US3462479A/en not_active Expired - Lifetime
-
1966
- 1966-11-24 DE DE19661568725 patent/DE1568725A1/de active Pending
- 1966-11-25 CH CH1690866A patent/CH495959A/de not_active IP Right Cessation
- 1966-12-19 BE BE691462D patent/BE691462A/xx unknown
- 1966-12-20 NL NL6617904A patent/NL6617904A/xx unknown
- 1966-12-20 GB GB56896/66A patent/GB1172509A/en not_active Expired
- 1966-12-27 FR FR89039A patent/FR1506841A/fr not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1935712A (en) * | 1928-03-02 | 1933-11-21 | Gen Aniline Works Inc | Ketone hydrazones, and process of making the same |
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US20060173709A1 (en) * | 2005-01-31 | 2006-08-03 | Traynor Daniel H | Bodywash additive business methods |
US20060188458A1 (en) * | 2005-01-31 | 2006-08-24 | Traynor Daniel H | Sunscreen compositions and methods of use |
US20060188457A1 (en) * | 2005-01-31 | 2006-08-24 | Traynor Daniel H | Bodywashes containing additives |
US7226582B2 (en) | 2005-01-31 | 2007-06-05 | Aquea Scientific Corporation | Sunscreen compositions and methods of use |
US7226581B2 (en) | 2005-01-31 | 2007-06-05 | Aquea Scientific Corporation | Bodywashes containing additives |
US20080112904A1 (en) * | 2005-03-08 | 2008-05-15 | Daniel Henry Traynor | Sunscreen Compositions And Methods Of Use |
US20080317795A1 (en) * | 2007-05-21 | 2008-12-25 | Daniel Henry Traynor | Highly charged microcapsules |
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US11707421B2 (en) | 2012-11-06 | 2023-07-25 | Colabs Int'l Corp. | Compositions containing a flexible derived capsule with an active agent |
US11724134B2 (en) | 2012-11-06 | 2023-08-15 | CoLabs International Corporation | Compositions containing a cellulose derived capsule with a sunscreen active agent |
US11839674B2 (en) | 2018-06-27 | 2023-12-12 | CoLabs International Corporation | Compositions comprising silicon dioxide-based particles including one or more agents |
Also Published As
Publication number | Publication date |
---|---|
FR1506841A (fr) | 1967-12-22 |
BE691462A (instruction) | 1967-05-29 |
GB1172509A (en) | 1969-12-03 |
NL6617904A (instruction) | 1967-06-30 |
CH495959A (de) | 1970-09-15 |
DE1568725A1 (de) | 1970-04-16 |
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