MEDICINE FOR COSMETIC AND ITS PRODUCTION

MEDICINE FOR COSMETIC AND ITS PRODUCTION

PROBLEM TO BE SOLVED: To obtain a medicine for cosmetic which is excellent in water resistance, processability, miscibility with other components and stability and shows low skin permeability and low toxicity by formulating a specific polymer bearing a UV-light absorbent organic group thereto. SOLUT...

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Hauptverfasser: WESTENFELDER HORST, SPERLING KARIN DR, KELLER HARALD DR
Format: Patent
Sprache:eng
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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creator WESTENFELDER HORST
SPERLING KARIN DR
KELLER HARALD DR
description PROBLEM TO BE SOLVED: To obtain a medicine for cosmetic which is excellent in water resistance, processability, miscibility with other components and stability and shows low skin permeability and low toxicity by formulating a specific polymer bearing a UV-light absorbent organic group thereto. SOLUTION: This medicine contains a polymer of formula I (R and R' are each H, an alkali metal, an ammonium and an alkyl; X is a direct linkage and an oxoalkylene bearing an alkylene or 0; Y is a UV-light absorbent organic group; (n) is 2-800). Among compounds of formula I, a compound in which R' is an 8-20C alkyl and a compound in which Y is a group absorbing a light of wavelength of 200-400nm are preferable. As the Y, e.g. groups of formula II and formula III are illustrated. The polymer of formula I is obtained by polymerizing maleic anhydride with a monomer of formula IV.
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SOLUTION: This medicine contains a polymer of formula I (R and R' are each H, an alkali metal, an ammonium and an alkyl; X is a direct linkage and an oxoalkylene bearing an alkylene or 0; Y is a UV-light absorbent organic group; (n) is 2-800). Among compounds of formula I, a compound in which R' is an 8-20C alkyl and a compound in which Y is a group absorbing a light of wavelength of 200-400nm are preferable. As the Y, e.g. groups of formula II and formula III are illustrated. 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SOLUTION: This medicine contains a polymer of formula I (R and R' are each H, an alkali metal, an ammonium and an alkyl; X is a direct linkage and an oxoalkylene bearing an alkylene or 0; Y is a UV-light absorbent organic group; (n) is 2-800). Among compounds of formula I, a compound in which R' is an 8-20C alkyl and a compound in which Y is a group absorbing a light of wavelength of 200-400nm are preferable. As the Y, e.g. groups of formula II and formula III are illustrated. The polymer of formula I is obtained by polymerizing maleic anhydride with a monomer of formula IV.</description><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDwdXXxdPb0c1Vw8w9ScPYP9nUN8XRWcPRzUfAMCVYICPJ3CXUO8fT342FgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BHoYG5uZGhpaOxkQoAQC5bSPL</recordid><startdate>19980324</startdate><enddate>19980324</enddate><creator>WESTENFELDER HORST</creator><creator>SPERLING KARIN DR</creator><creator>KELLER HARALD DR</creator><scope>EVB</scope></search><sort><creationdate>19980324</creationdate><title>MEDICINE FOR COSMETIC AND ITS PRODUCTION</title><author>WESTENFELDER HORST ; SPERLING KARIN DR ; KELLER HARALD DR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH1077219A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1998</creationdate><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</topic><topic>SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS</topic><toplevel>online_resources</toplevel><creatorcontrib>WESTENFELDER HORST</creatorcontrib><creatorcontrib>SPERLING KARIN DR</creatorcontrib><creatorcontrib>KELLER HARALD DR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WESTENFELDER HORST</au><au>SPERLING KARIN DR</au><au>KELLER HARALD DR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MEDICINE FOR COSMETIC AND ITS PRODUCTION</title><date>1998-03-24</date><risdate>1998</risdate><abstract>PROBLEM TO BE SOLVED: To obtain a medicine for cosmetic which is excellent in water resistance, processability, miscibility with other components and stability and shows low skin permeability and low toxicity by formulating a specific polymer bearing a UV-light absorbent organic group thereto. SOLUTION: This medicine contains a polymer of formula I (R and R' are each H, an alkali metal, an ammonium and an alkyl; X is a direct linkage and an oxoalkylene bearing an alkylene or 0; Y is a UV-light absorbent organic group; (n) is 2-800). Among compounds of formula I, a compound in which R' is an 8-20C alkyl and a compound in which Y is a group absorbing a light of wavelength of 200-400nm are preferable. As the Y, e.g. groups of formula II and formula III are illustrated. The polymer of formula I is obtained by polymerizing maleic anhydride with a monomer of formula IV.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
title MEDICINE FOR COSMETIC AND ITS PRODUCTION
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