Patent ID: 11926758
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 2:
3. The coated substrate of claim 1, wherein in each R1 and each R2, exactly two of X1, X2, X3, X4, and X5 are independently selected from bromo, fluoro, chloro, iodo, hydroxy, methyl, trifluoromethyl, dimethylamino, tert-butyl, carboxyl, triphenylmethyl, tris(4-fluorophenyl)methyl, tris(4-methylphenyl)methyl, (4-hydroxyphenyl)diphenylmethyl, or difluoromethoxy, and the remaining three of X1, X2, X3, X4, and X5 are hydrogen.