ALVES REIS MARIANA (PT)
DA COSTA LEÃO PEDRO NUNO (PT)
OLIVEIRA VASCONCELOS VITOR MANUEL (PT)
HASSOUANI MERYEM (MA)
SABOUR BRAHIM (MA)
UNIV DO PORTO (PT)
FACULTY OF SCIENCES CHOUAIB DOUKKALI UNIV (MA)
AMENDED CLAIMS received by the International Bureau on 29 June 2020 (29.06.2020) 1. Ultra-violet (UV) radiation absorbing compounds scytonemin (A), 3 ' -hydroxyscytonemin (B) and 9,3'- dihydroxyscytonemin (C) of formulas: and stereoisomers thereof, wherein the compounds have antibacterial activity. 2. Compounds according to any of the previous claims, wherein the compounds absorb light from 293 nm to 500 nm. 3. Compounds according to any of the previous claims, wherein they absorb up to 90% of UV-A radiation. 4. Compounds according to any of the previous claims, wherein the compounds have antioxidant activity. 5. Compounds according to any of the claims 1 to 4, for use in cosmetic products. 6. Compounds according to any of the claims 1 to 4, for use in sunscreens. 7. Compounds according to any of the claims 1 to 4, for use in sunglasses. 8. Formulations comprising the compounds described in any of the claims 1 to 4. 9. Formulations according to the previous claim, wherein the formulations comprise one compound. 10. Formulations according to claim 8, wherein the formulations comprise more than one compound. 11. Formulations according to any of the claims 8 to 10, for use in cosmetic products. 12. Formulations according to any of the claims 8 to 10, for use in sunscreens. 13. Formulations according to any of the claims 8 to 10, for use in lenses for sunglasses. |