发明名称 |
Methyl piperidine derivatives of cinnamic acids, benzoic acids, benzoazols and benzophenones useful as skin anti-aging compounds |
摘要 |
Free radical deactivating 4- or 1,4-substituted, 2,2,6,6-tetramethyl piperidines are condensed with UV absorbing cinnamic acids or benzoic acids or benzoazols or benzophenones to produce skin anti-aging compounds and compositions which have both free radical deactivation and UV absorbing properties.
|
申请公布号 |
US5278310(A) |
申请公布日期 |
1994.01.11 |
申请号 |
US19920889951 |
申请日期 |
1992.05.29 |
申请人 |
SIGMA PRODOTTI CHIMICI S.P.A. |
发明人 |
RASPANTI, GIUSEPPE |
分类号 |
A61K8/49;A61K31/445;A61Q17/04;C07D211/44;C07D211/46;C07D249/20;C08K5/3435;C08K5/3475;(IPC1-7):C07D211/44 |
主分类号 |
A61K8/49 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|