Poly-methine compounds, condensation polymer having a poly-methi

Details Poly-methine compounds, condensation polymer having a poly-methi Poly-methine compounds, condensation polymer having a poly-methi

1989-05-01

1991-02-19

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 83, 524 84, 524 94, 524100, 524106, 524170, 524199, 524208, 544216, 548141, 548207, 548317, 548337, 549 63, 549495, 558401, C08K 541, C08K 516, C07C12172, C07C12506, C07C14706

Patent

active

049945122

ABSTRACT:
Disclosed are poly-methine compounds having the formula: ##STR1## wherein R.sup.1 is an unsubstituted or substituted alkoxycarbonyl, cycloalkoxycarbonyl or aryloxycarbonyl radical; an unsubstituted or substituted carbamoyl radical; or an unsubstituted or substituted alkylsulfonyl, cycloalkylsulfonyl or arylsulfonyl radical, or an unsubstituted or substituted aryl radical;

REFERENCES:
patent: 3546270 (1970-12-01), Kirchmayr et al.
patent: 3706700 (1972-12-01), Kirchmayr
patent: 4504419 (1985-03-01), Dexter et al.
B. Ranby & J. F. Rabek "Photodegradation, Photo-Oxidation and Photostabilization of Polymers" pp. 392-406 (1975).

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