Patent ID: 6410620
Filing Date: 2002-06-25
Classification: C08K,F02B,Y10T

Abstract:
A resinous composition comprising the following:(A) at least one thermoplastic polymer comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one organodicarboxylic acid, and (B) at least one 4-aminocinnamic compound of the formula â€ƒwherein: each of R1 and R2 is an alkyl radical, or R1 and R2 together with the nitrogen atom separating them form a heterocyclic radical; R3is COOR4, C(O)R4, or CN; R4 is hydrogen, alkyl or aryl; R5 is hydrogen, alkyl, or aryl; and each of R7 and R8 is hydrogen or an alkyl radical, or R7 and R8 together form an alicyclic radical; â€ƒsaid 4-aminocinnamic compound absorbing radiation in the range between about 360 nanometers and about 390 nanometers.