DE2160136B2 - - Google Patents
Info
- Publication number
- DE2160136B2 DE2160136B2 DE19712160136 DE2160136A DE2160136B2 DE 2160136 B2 DE2160136 B2 DE 2160136B2 DE 19712160136 DE19712160136 DE 19712160136 DE 2160136 A DE2160136 A DE 2160136A DE 2160136 B2 DE2160136 B2 DE 2160136B2
- Authority
- DE
- Germany
- Prior art keywords
- rays
- skin
- tanning
- coumarin
- same
- 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.)
- Granted
Links
- 239000000516 sunscreening agent Substances 0.000 claims description 12
- 230000000475 sunscreen effect Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- PFCHESZMLIVMTC-GDNBJRDFSA-N 7-[(2z)-3,7-dimethylocta-2,6-dienoxy]-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OC\C=C(C)/CCC=C(C)C)=CC=C21 PFCHESZMLIVMTC-GDNBJRDFSA-N 0.000 claims description 4
- 230000000699 topical effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 description 11
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 235000001671 coumarin Nutrition 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 229960000956 coumarin Drugs 0.000 description 4
- 150000004775 coumarins Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000008159 sesame oil Substances 0.000 description 4
- 235000011803 sesame oil Nutrition 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 2
- HSHNITRMYYLLCV-UHFFFAOYSA-N 4-methylumbelliferone Chemical compound C1=C(O)C=CC2=C1OC(=O)C=C2C HSHNITRMYYLLCV-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000004166 Lanolin Substances 0.000 description 2
- -1 alkoxy coumarin Chemical compound 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- UAHWPYUMFXYFJY-UHFFFAOYSA-N beta-myrcene Chemical compound CC(C)=CCCC(=C)C=C UAHWPYUMFXYFJY-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000003827 glycol group Chemical group 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 229940039717 lanolin Drugs 0.000 description 2
- 235000019388 lanolin Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XWRJRXQNOHXIOX-IWGRKNQJSA-N (2e)-1-[(2e)-3,7-dimethylocta-2,6-dienoxy]-3,7-dimethylocta-2,6-diene Chemical compound CC(C)=CCC\C(C)=C\COC\C=C(/C)CCC=C(C)C XWRJRXQNOHXIOX-IWGRKNQJSA-N 0.000 description 1
- RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 description 1
- VIIIJFZJKFXOGG-UHFFFAOYSA-N 3-methylchromen-2-one Chemical compound C1=CC=C2OC(=O)C(C)=CC2=C1 VIIIJFZJKFXOGG-UHFFFAOYSA-N 0.000 description 1
- PFCHESZMLIVMTC-XNTDXEJSSA-N 7-[(2e)-3,7-dimethylocta-2,6-dienoxy]-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OC/C=C(C)/CCC=C(C)C)=CC=C21 PFCHESZMLIVMTC-XNTDXEJSSA-N 0.000 description 1
- RSDDHGSKLOSQFK-PTNGSMBKSA-N 7-[(2z)-3,7-dimethylocta-2,6-dienoxy]chromen-2-one Chemical compound C1=CC(=O)OC2=CC(OC\C=C(C)/CCC=C(C)C)=CC=C21 RSDDHGSKLOSQFK-PTNGSMBKSA-N 0.000 description 1
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- WNBCMONIPIJTSB-BGNCJLHMSA-N Cichoriin Natural products O([C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1)c1c(O)cc2c(OC(=O)C=C2)c1 WNBCMONIPIJTSB-BGNCJLHMSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 206010040880 Skin irritation Diseases 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 206010042496 Sunburn Diseases 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- VYBREYKSZAROCT-UHFFFAOYSA-N alpha-myrcene Natural products CC(=C)CCCC(=C)C=C VYBREYKSZAROCT-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- XHCADAYNFIFUHF-TVKJYDDYSA-N esculin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC(C(=C1)O)=CC2=C1OC(=O)C=C2 XHCADAYNFIFUHF-TVKJYDDYSA-N 0.000 description 1
- 229940093496 esculin Drugs 0.000 description 1
- AWRMZKLXZLNBBK-UHFFFAOYSA-N esculin Natural products OC1OC(COc2cc3C=CC(=O)Oc3cc2O)C(O)C(O)C1O AWRMZKLXZLNBBK-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 125000002350 geranyl group Chemical group [H]C([*])([H])/C([H])=C(C([H])([H])[H])/C([H])([H])C([H])([H])C([H])=C(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- XWRJRXQNOHXIOX-UHFFFAOYSA-N geranylgeraniol Natural products CC(C)=CCCC(C)=CCOCC=C(C)CCC=C(C)C XWRJRXQNOHXIOX-UHFFFAOYSA-N 0.000 description 1
- 229940075507 glyceryl monostearate Drugs 0.000 description 1
- 229940100242 glycol stearate Drugs 0.000 description 1
- 230000036449 good health Effects 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
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 1
- 229940105132 myristate Drugs 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 229940057847 polyethylene glycol 600 Drugs 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000037307 sensitive skin Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010497 wheat germ oil Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- 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
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/4973—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom
- A61K8/498—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with oxygen as the only hetero atom having 6-membered rings or their condensed derivatives, e.g. coumarin
-
- 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
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/347—Phenols
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
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)
- Emergency Medicine (AREA)
- Cosmetics (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712160136 DE2160136C3 (de) | 1971-12-03 | 1971-12-03 | Sonnenschutzmittel |
| DE2166239A DE2166239A1 (de) | 1971-12-03 | 1971-12-03 | Neue cumarin-verbindungen und verfahren zu ihrer herstellung |
| BR4807/72A BR7204807D0 (pt) | 1971-07-22 | 1972-07-19 | Ferrolho para carga |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712160136 DE2160136C3 (de) | 1971-12-03 | 1971-12-03 | Sonnenschutzmittel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2160136A1 DE2160136A1 (de) | 1973-06-20 |
| DE2160136B2 true DE2160136B2 (enExample) | 1974-04-25 |
| DE2160136C3 DE2160136C3 (de) | 1975-01-02 |
Family
ID=42087402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712160136 Expired DE2160136C3 (de) | 1971-07-22 | 1971-12-03 | Sonnenschutzmittel |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2160136C3 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3028502A1 (de) * | 1980-07-26 | 1982-03-04 | Basf Ag, 6700 Ludwigshafen | Verwendung von veraetherten 2-(4-hydroxybenzyliden)-(gamma)-butyrolactonen als lichtschutzmittel |
| US4426380A (en) * | 1981-10-28 | 1984-01-17 | Ciba-Geigy Corporation | Benzofuran-2-ones and pharmaceutical compositions |
| US4514415A (en) * | 1981-10-28 | 1985-04-30 | Ciba Geigy Corporation | Benzofuran-2(3H)-ones used as anti-inflammatory agents |
| EP1011614A1 (en) * | 1997-09-17 | 2000-06-28 | The Procter & Gamble Company | Hair care compositions comprising optical brighteners which provide uv protection |
| EP3097904B1 (en) * | 2015-05-29 | 2019-08-14 | Affichem | Depigmenting agents to lighten the skin |
-
1971
- 1971-12-03 DE DE19712160136 patent/DE2160136C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2160136C3 (de) | 1975-01-02 |
| DE2160136A1 (de) | 1973-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69734499T2 (de) | Sonnenschutzmittel aus langkettigen, verzweigten Alkylbenzoaten oder Alkylhydroxybenzoaten | |
| EP0367939B1 (de) | Lagerstabiles Haarkonditionierungsmittel mit Perlglanz | |
| DE69001007T2 (de) | Kosmetische mittel zur braeunung. | |
| EP0898955A2 (de) | Sonnenschutzmittel mit Ultraspektralschutz | |
| DE2749273A1 (de) | Braeunendes sonnenschutzmittel | |
| CH623229A5 (enExample) | ||
| DE2816819A1 (de) | Lichtschutzmittel | |
| DE68903887T2 (de) | Durchscheinende kosmetische emulsion. | |
| DE60120284T2 (de) | Verwendung von 4',5,7-Trihydroxyflavylium als Hautfärbemittel | |
| DE3113177C2 (enExample) | ||
| CH634986A5 (en) | Cosmetic light-stabilising agent for the UV-A region | |
| DE3012767C2 (enExample) | ||
| DE2734823C2 (de) | Sonnenschutzmittel | |
| DE60126303T2 (de) | Sonnenschutzmilch | |
| EP1030649B1 (de) | Lichtstabile kosmetische formulierung enthaltend butylmethoxydibenzoylmethan | |
| EP1063959B1 (de) | Sonnenschutzformulierungen mit wirkung gegen herpes simplex viren | |
| DE2160136C3 (de) | Sonnenschutzmittel | |
| DE2051947B2 (de) | Kosmetisches Mittel zur Färbung der Haut | |
| DE2459914A1 (de) | Verfahren zur herstellung von n- hydroxyalkyl-substituierten aethyl-p- aminobenzoaten und verwendung dieser benzoate in sonnenschutzmitteln | |
| DE2032914A1 (enExample) | ||
| DE3002304C2 (enExample) | ||
| DE2514878A1 (de) | Allantoin-ascorbinsaeure-komplex | |
| DE3912122A1 (de) | Uv-strahlen absorbierende chitosan- und chitinderivate, verfahren zu deren herstellung und diese verbindungen enthaltendes kosmetisches mittel | |
| DE1617598A1 (de) | Schoenheitspflegemittel | |
| DE1792338B1 (de) | Lichtschutzmittel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |