发明名称 |
Polyether polyurethane foam end wrap treated with buffer system |
摘要 |
A superior permanent hair waving end wrap comprising a particular type of open-celled polyether polyurethane foam of specified porosity and thickness which foam has been treated with a buffer system of mono-basic orthophosphate salts in admixture with phosphoric acid. Also disclosed is a permanent hair waving process using said buffer system treated end wraps. |
申请公布号 |
US4130121(A) |
申请公布日期 |
1978.12.19 |
申请号 |
US19770783118 |
申请日期 |
1977.03.31 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
WETZEL, THOMAS A. |
分类号 |
A45D7/00;A61K8/87;A61Q5/04;(IPC1-7):A45D7/00 |
主分类号 |
A45D7/00 |
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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