PROCESS FOR THE PURIFICATION OF STEROLS FROM HYDROCARBON EXTRACTS USING EVAPORATIVE FRACTIONATION
A method for separating sterols from neutral substances comprising the sterols, the method comprising: (a) providing a hydrocarbon fraction containing in the neutral substances; (b) optionally washing the hydrocarbon fraction with water; (c) optionally separating the neutral substances from the hydr...
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| creator | HAMUNEN, ANTTI UKKONEN, KEIJO |
| description | A method for separating sterols from neutral substances comprising the sterols, the method comprising: (a) providing a hydrocarbon fraction containing in the neutral substances; (b) optionally washing the hydrocarbon fraction with water; (c) optionally separating the neutral substances from the hydrocarbon; (d) evaporation fractionating the hydrocarbon fraction from step (a) or step (b), or the neutral substances from step (c), to obtain a sterol-rich fraction; (e) dissolving the sterol-rich fraction in a solvent and crystallizing the sterols from the solvent; and (f) separating the obtained sterol crystals from the solvent.
L'invention concerne un procédé de séparation de stérols de substances neutres les contenant, ledit procédé consistant à (a) préparer une fraction d'hydrocarbure contenant les substances neutres; (b) à éventuellement laver à l'eau la fraction d'hydrocarbure; (c) à éventuellement séparer les substances neutres de l'hydrocarbure; (d) à fractionner par évaporation la fraction d'hydrocarbure de l'étape (a) ou (b), ou les substances neutres de l'étape (c), afin d'obtenir une fraction riche en stérols; (e) à dissoudre la fraction riche en stérols dans un solvant et à cristalliser les stérols du solvant; et (f) à séparer du solvant les cristaux de stérol obtenus. |
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L'invention concerne un procédé de séparation de stérols de substances neutres les contenant, ledit procédé consistant à (a) préparer une fraction d'hydrocarbure contenant les substances neutres; (b) à éventuellement laver à l'eau la fraction d'hydrocarbure; (c) à éventuellement séparer les substances neutres de l'hydrocarbure; (d) à fractionner par évaporation la fraction d'hydrocarbure de l'étape (a) ou (b), ou les substances neutres de l'étape (c), afin d'obtenir une fraction riche en stérols; (e) à dissoudre la fraction riche en stérols dans un solvant et à cristalliser les stérols du solvant; et (f) à séparer du solvant les cristaux de stérol obtenus.</description><edition>7</edition><language>eng ; fre</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; STEROIDS</subject><creationdate>2000</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=20001102&DB=EPODOC&CC=WO&NR=0064924A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20001102&DB=EPODOC&CC=WO&NR=0064924A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAMUNEN, ANTTI</creatorcontrib><creatorcontrib>UKKONEN, KEIJO</creatorcontrib><title>PROCESS FOR THE PURIFICATION OF STEROLS FROM HYDROCARBON EXTRACTS USING EVAPORATIVE FRACTIONATION</title><description>A method for separating sterols from neutral substances comprising the sterols, the method comprising: (a) providing a hydrocarbon fraction containing in the neutral substances; (b) optionally washing the hydrocarbon fraction with water; (c) optionally separating the neutral substances from the hydrocarbon; (d) evaporation fractionating the hydrocarbon fraction from step (a) or step (b), or the neutral substances from step (c), to obtain a sterol-rich fraction; (e) dissolving the sterol-rich fraction in a solvent and crystallizing the sterols from the solvent; and (f) separating the obtained sterol crystals from the solvent.
L'invention concerne un procédé de séparation de stérols de substances neutres les contenant, ledit procédé consistant à (a) préparer une fraction d'hydrocarbure contenant les substances neutres; (b) à éventuellement laver à l'eau la fraction d'hydrocarbure; (c) à éventuellement séparer les substances neutres de l'hydrocarbure; (d) à fractionner par évaporation la fraction d'hydrocarbure de l'étape (a) ou (b), ou les substances neutres de l'étape (c), afin d'obtenir une fraction riche en stérols; (e) à dissoudre la fraction riche en stérols dans un solvant et à cristalliser les stérols du solvant; et (f) à séparer du solvant les cristaux de stérol obtenus.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>STEROIDS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjEEKwjAQRbtxIeod5gJC1SK4jHFiAtoJk7TVVQkSV6KFen8cxAO4-ov33p8WyTNpDAEMMUSL4Bt2xmkVHdVABkJEppNwpjPY60F0xXtheImsdAzQBFcfAVvliSVrUVwB0n9P5sXknh5jXvx2VoDBqO0yD68-j0O65Wd-9x2V5bbarSu12vyhfAChLzQT</recordid><startdate>20001102</startdate><enddate>20001102</enddate><creator>HAMUNEN, ANTTI</creator><creator>UKKONEN, KEIJO</creator><scope>EVB</scope></search><sort><creationdate>20001102</creationdate><title>PROCESS FOR THE PURIFICATION OF STEROLS FROM HYDROCARBON EXTRACTS USING EVAPORATIVE FRACTIONATION</title><author>HAMUNEN, ANTTI ; UKKONEN, KEIJO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO0064924A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2000</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>STEROIDS</topic><toplevel>online_resources</toplevel><creatorcontrib>HAMUNEN, ANTTI</creatorcontrib><creatorcontrib>UKKONEN, KEIJO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAMUNEN, ANTTI</au><au>UKKONEN, KEIJO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR THE PURIFICATION OF STEROLS FROM HYDROCARBON EXTRACTS USING EVAPORATIVE FRACTIONATION</title><date>2000-11-02</date><risdate>2000</risdate><abstract>A method for separating sterols from neutral substances comprising the sterols, the method comprising: (a) providing a hydrocarbon fraction containing in the neutral substances; (b) optionally washing the hydrocarbon fraction with water; (c) optionally separating the neutral substances from the hydrocarbon; (d) evaporation fractionating the hydrocarbon fraction from step (a) or step (b), or the neutral substances from step (c), to obtain a sterol-rich fraction; (e) dissolving the sterol-rich fraction in a solvent and crystallizing the sterols from the solvent; and (f) separating the obtained sterol crystals from the solvent.
L'invention concerne un procédé de séparation de stérols de substances neutres les contenant, ledit procédé consistant à (a) préparer une fraction d'hydrocarbure contenant les substances neutres; (b) à éventuellement laver à l'eau la fraction d'hydrocarbure; (c) à éventuellement séparer les substances neutres de l'hydrocarbure; (d) à fractionner par évaporation la fraction d'hydrocarbure de l'étape (a) ou (b), ou les substances neutres de l'étape (c), afin d'obtenir une fraction riche en stérols; (e) à dissoudre la fraction riche en stérols dans un solvant et à cristalliser les stérols du solvant; et (f) à séparer du solvant les cristaux de stérol obtenus.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY STEROIDS |
| title | PROCESS FOR THE PURIFICATION OF STEROLS FROM HYDROCARBON EXTRACTS USING EVAPORATIVE FRACTIONATION |
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