04-06-2015 дата публикации
Номер: US20150152046A1
Принадлежит:
The present invention relates to compounds having the general Formula I: which absorb UV radiations and protect biological materials as well as non-biological materials from damaging exposure to UV radiations. The present invention also relates to formulations and compositions comprising such compounds for use in absorbing UV radiations and in protecting biological materials as well as non-biological materials against UV radiations. 196-. (canceled)98. The compound of claim 97 , wherein Ris selected from the group consisting of alkyl claim 97 , alkoxy claim 97 , and —CHCOOH.99. The compound of claim 97 , wherein X is selected from the group consisting of carbon claim 97 , nitrogen or oxygen.100. The compound of claim 97 , wherein Ris selected from the group consisting of alkoxy claim 97 , —OCH claim 97 , halogen claim 97 , fluorine claim 97 , alkanoyl claim 97 , —CONC(CH) claim 97 , amine claim 97 , and —N(CHCH).101. The compound of claim 97 , wherein n is 1.103. The compound of claim 102 , wherein:{'sub': '3', 'Ris selected from the group consisting of —CH3 and hydrogen;'}{'sub': 4', '3, 'Ris selected from the group consisting of —CHand hydrogen;'}{'sub': '5', 'Ris —COOH;'}Y is selected from the group consisting of O, S, and NH;{'sub': '6', 'Ris selected from the group consisting of hydrogen and —COOH; or'}n is 1.106. The compound of claim 105 , wherein:{'sub': '5', 'Ris selected from the group consisting of carboxyl and —COOH;'}Y is selected from the group consisting of S, O, and N;{'sub': '6', 'Ris hydrogen;'}X is selected from the group consisting of O and N; orn is 1.109. The compound of claim 108 , wherein:{'sub': '6', 'Ris hydrogen;'}{'sub': 7', '3, 'Ris selected from the group consisting of hydrogen, alkoxy, and —OCH;'}X is selected from the group consisting of N and O; orn is 1.112. The compound of claim 111 , wherein:{'sub': '3', 'Rand R4 are each independently selected from the group consisting of hydrogen and alkyl;'}{'sub': 3', '3, 'Ris —CH;'}{'sub': 4 ...
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