Pyrazoloazoleazomethine dyes

Details Pyrazoloazoleazomethine dyes Pyrazoloazoleazomethine dyes

1990-12-05

1993-01-26

Seidleck, James J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

548251, 548110, 548111, 548159, 5483601, 5483631, 5483031, 5483605, 5483021, 544333, C07D48704, C08F26502, C08F26504

Patent

active

051823390

ABSTRACT:
A pyrazoloazoleazomethine dye represented by formula (I) ##STR1## wherein, R.sub.1 represents a substituent having a Hammett's substituent constant value of at least 0.6; Za, Zb, and Zc each represents ##STR2## (wherein R.sub.2 represents a hydrogen atom or a substituent), or .dbd.N--; when Zc=Zb is a carbon-carbon double bond, it may form a part of an aromatic ring; R.sub.3, R.sub.4, and R.sub.5 each represents a hydrogen atom or a substituent; and n represents 1 or 2; said dye may form a dimer or higher polymer by combining with each other or to a polymer through a divalent or higher valent group at R.sub.1, Za, Zb, or Zc.

REFERENCES:
patent: 3061432 (1962-10-01), Menzel et al.
patent: 3725067 (1973-04-01), Bailey et al.
patent: 4500630 (1985-02-01), Sato et al.
patent: 4540654 (1985-09-01), Sato et al.
patent: 4621046 (1986-11-01), Sato et al.
Research Disclosure Jun. 1984 24230.
Patent Abstracts of Japan, vol. 10, No. 36 (C-328) [2093,] Feb. 13, 1986; JP-A-60 186 567 (Fuji Shashin Film K.K.) Sep. 24, 1985.

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