SPRAY-DRIED DYE COMPOSITIONS, PROCESS FOR THE PRODUCTION AND USE THEREOF
The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of ≤0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these c...
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| creator | Felicetti, Michael Roth, Christoph Schwager, Katrin Lischewski, Volker |
| description | The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of ≤0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses. |
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Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.</description><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; HUMAN NECESSITIES ; HYGIENE ; LAKES ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; MORDANTS ; NATURAL RESINS ; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; PAINTS ; POLISHES ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221124&DB=EPODOC&CC=US&NR=2022372298A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221124&DB=EPODOC&CC=US&NR=2022372298A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Felicetti, Michael</creatorcontrib><creatorcontrib>Roth, Christoph</creatorcontrib><creatorcontrib>Schwager, Katrin</creatorcontrib><creatorcontrib>Lischewski, Volker</creatorcontrib><title>SPRAY-DRIED DYE COMPOSITIONS, PROCESS FOR THE PRODUCTION AND USE THEREOF</title><description>The invention relates to spray-dried, washfast dye compositions (preferably in the form of pigment powders) having a bleeding rate of ≤0.5% and consisting of water-soluble functional dyes, preferably food dyes, which are firmly incorporated in a silica matrix. 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Apart from low bleeding of dye, these compositions are remarkable for their high stability to pH changes and/or ascorbic acid. The invention is also directed to the production of the dye compositions and the use thereof. The dye compositions are preferably employed in coloring foods, cosmetics, pharmaceutical products, but also in other uses.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES HUMAN NECESSITIES HYGIENE LAKES MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS |
| title | SPRAY-DRIED DYE COMPOSITIONS, PROCESS FOR THE PRODUCTION AND USE THEREOF |
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