发明名称 |
Acid treated polyester polyurethane foam end wrap |
摘要 |
A superior end wrap comprising a particular type of open-celled polyurethane foam of specified porosity and thickness which foam has been treated with certain types of weak carboxylic acids. Also disclosed is a permanent waving process using said acid treated end wraps. |
申请公布号 |
US4044782(A) |
申请公布日期 |
1977.08.30 |
申请号 |
US19760670594 |
申请日期 |
1976.03.26 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
ADRION, DAVID MARTIN;HARTSOUGH, LLOYD BRUCE |
分类号 |
A45D7/00;A61K8/87;A61Q5/04;(IPC1-7):A45D7/00 |
主分类号 |
A45D7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|