Oxalic acid di(phenylamides) and use thereof as UV absorbers

Details Oxalic acid di(phenylamides) and use thereof as UV absorbers Oxalic acid di(phenylamides) and use thereof as UV absorbers

1989-05-26

1990-04-24

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

560 19, 560 45, 562455, 564158, C08K 520

Patent

active

049201697

ABSTRACT:
A compound of formula I ##STR1## in which each R.sub.1, independently is selected from hydrogen, C.sub.1-12 alkyl, C.sub.1-12 alkoxy and halogen;

REFERENCES:
patent: 3529982 (1970-09-01), Luethi et al.
patent: 3808273 (1974-04-01), Burdet et al.
patent: 3906033 (1975-09-01), Biland et al.

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