Monoazo pigment compositions

Details Monoazo pigment compositions Monoazo pigment compositions

1990-03-22

1991-06-18

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106493, 106494, 106496, 106499, 106500, 534558, 534564, 534579, 534581, 534585, 534682, 534683, 534885, 534886, C09D 1100, C09D 1102, C09D 1116

Patent

active

050246984

ABSTRACT:
Monoazo pigments are provided which have improved properties achieved by incorporating certain azomethine compounds. The pigment compositions are prepared by reacting a primary amine-terminated alkylene oxide polymer and an acetoacetanilide to form an azomethine coupler and subsequently preparing the monoazo pigment composition by reacting the desired diazo component and coupling component in the presence of the azomethine coupler so as to form an azomethine composition of matter and the desired pigment.

REFERENCES:
patent: 4946508 (1990-08-01), Schwartz et al.
patent: 4946509 (1990-08-01), Schwartz et al.
U.S. patent application Ser. No. 07/356,022 filing date 5-23-89, Schwartz et al.

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