Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1986-06-17
1987-09-22
Bond, Robert T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
546 16, 546186, 546187, 546188, 546189, 546190, 546191, 546209, 546244, 524 83, 524 99, C07D41712, C07D41714, C08K 534
Patent
active
046956000
ABSTRACT:
These compounds are useful as light stabilizers in polymeric systems. ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are organic radicals.
REFERENCES:
patent: 4088629 (1978-05-01), Uhrhan et al.
patent: 4089841 (1978-05-01), Lantzsch et al.
Bond Robert T.
Doyle Thomas C.
Sandoz Ltd.
Sharkin Gerald D.
Vila Richard E.
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