ULTRAVIOLET SCREENING RESIN, RESIN POWDER AND COSMETIC

PROBLEM TO BE SOLVED: To provide a resin having a polyimide structure exhibiting excellent ultraviolet screening effect on both of UV-A and UV-B ultraviolet rays and having excellent optical properties free from unnatural absorption and scattering in the visible light region, a powder and a cosmetic...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAGI KATSUHIKO, ONO KAZUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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