Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1984-01-19
1985-07-30
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
546188, 546189, C08K 534
Patent
active
045322791
ABSTRACT:
Compounds of the formula I ##STR1## wherein n is 0 or 1, R.sup.1 is hydrogen or C.sub.2 -C.sub.4 alkyl, and R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are monovalent hydrocarbon radicals, are effective light stabilizers for organic polymers, especially for surface-coating resins.
REFERENCES:
patent: 4136081 (1979-01-01), Minagawa et al.
patent: 4284485 (1981-08-01), Berner
patent: 4419472 (1983-12-01), Berner et al.
patent: 4426471 (1984-01-01), Berner
Ciba-Geigy Corporation
Falber Harry
Kight John
Morgan Kriellion
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