摘要 |
1422480 Ammonium cinnamates L GIVAUDAN & CIE SA 10 Oct 1974 [11 Oct 1973] 43931/74 Heading C2C The invention comprises compounds of the general Formula I wherein R<SP>(+)</SP> represents the ammonium ion of monoethanolamine, diethanolamine, triethanolamine, bis-(2-hydroxypropyl)amine or tris- (hydroxymethyl)aminomethane. The compounds of Formula I may be used as light screening agents. |