发明名称 |
Process for producing riboflavin-containing granules |
摘要 |
Process for producing riboflavin granules or riboflavin microgranules with a riboflavin content of from 90 to 99.5% by weight and with a particle size range from 50 to 450 mu m, which entails adding during the granulation at least one auxiliary selected from the group consisting of alkali metal and alkaline earth metal halides, alkali metal and alkaline earth metal carbonates, alkali metal and alkaline earth metal bicarbonates, alkali metal and alkaline earth metal phosphates, crosslinked cellulose and cellulose derivatives and crosslinked polyvinylpyrrolidone in amounts of from 0.5 to 10% by weight, all % by weight data being based in each case on the dry product.
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申请公布号 |
US6093715(A) |
申请公布日期 |
2000.07.25 |
申请号 |
US19990275107 |
申请日期 |
1999.03.24 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HARZ, HANS-PETER;SCHWEIKERT, LONI;SCHMIDT, DOUGLAS NORBERT |
分类号 |
A61K9/16;A61K9/20;A61K31/525;A61K47/02;A61K47/32;A61K47/38;A61P3/02;(IPC1-7):A61K31/525;C07D475/14 |
主分类号 |
A61K9/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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