发明名称 |
Slow-release perfume compositions and a process for the preparation of them |
摘要 |
A pellet of ethylene-vinyl acetate copolymer and a perfume are mixed in a mixer, and when the perfume has been impregnated into only the surface layer portion of the pellet, then a fine powder is added and mixed with the perfume-impregnated pellet for the purpose of coating the surface thereof.
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申请公布号 |
US4511496(A) |
申请公布日期 |
1985.04.16 |
申请号 |
US19830504226 |
申请日期 |
1983.06.14 |
申请人 |
SODA AROMATIC COMPANY, LIMITED |
发明人 |
MATSUMOTO, YUUICHI |
分类号 |
A61L9/01;A61L9/04;C08L23/08;C08L31/04;(IPC1-7):A61K7/46 |
主分类号 |
A61L9/01 |
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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