公开(公告)号：US3816611A

公开(公告)日：1974-06-11

申请号：US22353772

申请日：1972-02-04

Applicant: BOEHRINGER GMBH GEB

Inventor： EBERHARDT H ,  REUTER A

IPC: A61K8/49 ,  A61Q17/04 ,  B65D81/30 ,  C07D213/50 ,  A61L23/00

CPC classification number: A61Q17/04 ,  A61K8/4926 ,  C07D213/50 ,  Y10S514/939 ,  Y10S514/972

Abstract: ULTRAVOILET LIGHT-ABSORBING COMPOSITIONS COMPRISING FROM 0.5 TO 20% BY WEIGHT, BASED ON THE TOTAL WEIGHT, OF A COMPOUND OF THE FORMULA

(A-CO-CH=C(-OH)-)PYRIDINE

WHEREIN A IS PYRIDYL, PHENYL, HALO-PHENYL, LOWER ALKYLPHENYL OR LOWER ALKOXY-PHENYL, OR A TAUTOMER THEREOF: THE COMPOSITIONS ARE USEFUL AS COSMETIC OR DERMATOLOGICAL PREPARATIONS FOR PROTECTING THE SKIN AGAINST ULTRAVIOLET LIGHT, AND ALSO AS LIGHT-PROTECTIVE IMPREGNATING AGENTS FOR CARDBOARD AND SIMILAR PACKAGING MATERIAL.