Hydroxyphenyltriazines

Details Hydroxyphenyltriazines Hydroxyphenyltriazines

1997-03-21

1999-09-28

Morgan, Kriellion S.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 91, 252403, 544216, C08K 53492, C07D25124

Patent

active

059590084

ABSTRACT:
Compositions based on synthetic organic polymers or prepolymers are effectively stabilized against the damaging effects of light, oxygen and/or heat by addition of a compound of the formula I ##STR1## in which Z is a group of one of the formulae II or III, ##STR2## R.sub.7 and R.sub.17, independently of one another, are a radical of one of the formulae IV, V and VI ##STR3## and the remaining symbols are as defined in claim 1.

REFERENCES:
patent: 4812500 (1989-03-01), Hayden
patent: 5057397 (1991-10-01), Miyabe et al.
patent: 5322868 (1994-06-01), Valet et al.
patent: 5665885 (1997-09-01), Steinmann
Derwent Abstr. 92-302100/199237 for EP 502816.
Derwent Abstr. 92-425542/199252 for EP 519298.
Derwent Abstr. 88-343153/198848.

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