Polymeric cyanine dye

Details Polymeric cyanine dye Polymeric cyanine dye

1985-03-11

1987-07-14

Anderson, Harold D.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

4284111, 428500, 528149, 528150, 528152, 528153, 528157, 528158, 528163, 528232, 528233, 528246, 528248, 528249, 528251, 528265, 528373, 528377, 528392, 528405, 528406, 528407, 528423, 548120, 548121, 548122, 548156, 548220, 548455, C08G 1226, C08G 7306

Patent

active

046803750

ABSTRACT:
Tricarbocyanine polymeric dyes have formulae I and II: ##STR1## where Y can be ##STR2## --S--, --Se-- or --O--, A can be ##STR3## in which R.sup.19 can be alkyl or --Cl, and p can be 0 or 1, R.sup.6 and R.sup.7 independently can be alkyl of (C.sub.1 -C.sub.30), preferably (C.sub.1 -C.sub.18),

REFERENCES:
patent: 2425772 (1941-09-01), Wilson et al.
patent: 2465774 (1949-02-01), Wilson
patent: 3245965 (1966-04-01), Teummier
patent: 3293075 (1966-12-01), Wildl
patent: 4365012 (1982-12-01), Hocker et al.

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