Ultraviolet absorber and coating material
AssigneeNippon Oil Co., Ltd.
InventorsMasanobu Suga, Tsuyoshi Asano, Nobuyuki Kuroda
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AssigneeNippon Oil Co., Ltd.
InventorsMasanobu Suga, Tsuyoshi Asano, Nobuyuki Kuroda
Estimating the term…
An ultraviolet absorber contains as an effective component a compound represented by the formula: ##STR1## wherein R.sup.1 denotes a hydrogen atom, a halogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.2 denotes a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.3 and R.sup.4 denote the same or different groups and denote an alkylene group having 1 to 10 carbon atoms, R.sup.5 to R.sup.9 denote the same or different groups and denote an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, and an aryl group having 6 to 10 carbon atoms, a hydroxyl group or a hydrogen atom, X denotes an amido bond (CONH), a urethane bond (OCONH) or an ester bond (COO), and n is an integer of n.gtoreq.0. A coating material contains the ultraviolet absorber.
An ultraviolet absorber comprising as an effective component a compound represented by the formula:
Dependencies are inferred from the claim text.