Printing ink

Details Printing ink Printing ink

1986-12-16

1988-06-14

Lieberman, Paul

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, C09D 1100

Patent

active

047509350

ABSTRACT:
Printing inks are described which utilize a unique class of coloring agents which are the reaction products of free NCO group bearing resins and dyestuffs bearing reactive hydrogens. A novel class of such adducts which contain monocarboxylic acid residues are also described. These printing inks, which may also contain traditional pigments, find particular utility in letterpress or offset printing.

REFERENCES:
patent: 3137671 (1964-06-01), Heinrich et al.
patent: 3228780 (1966-06-01), Grelat
patent: 3993493 (1976-11-01), McLaren et al.
patent: 3994835 (1976-11-01), Wall et al.
patent: 4065316 (1977-12-01), Baron et al.
patent: 4076494 (1978-02-01), Schuster et al.
patent: 4234481 (1980-11-01), Steiner
patent: 4365998 (1982-12-01), Sugiyama et al.
patent: 4666519 (1987-05-01), Akiyama et al.

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