Ink composition and method for ink jet recording

Details Ink composition and method for ink jet recording Ink composition and method for ink jet recording

1981-12-30

1983-08-16

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

106 22, 346140R, G01D 1516

Patent

active

043994431

ABSTRACT:
An ink composition and method for ink jet recording are disclosed. The ink composition comprises a coloring agent and additives which are adjusted to bring the roundness of dots formed on a recording medium, such as paper, of from 50 to 80 g/m.sup.2, to be at least 0.75 where said roundness (D) is represented by the formula

REFERENCES:
patent: 4176361 (1979-11-01), Kawada
patent: 4279653 (1981-07-01), Makishima
patent: 4281329 (1981-07-01), Yano
patent: 4361843 (1982-11-01), Cooke
Evans, J. F., Drop-On-Demand Ink Formulation, IBM TDB, vol. 23, No. 10, Mar. 1981, p. 4551.
Cadilhac et al., Penetrant in Aqueous Jet Inks, IBM TDB, vol. 24, No. 5, Oct. 1981, pp. 2245-2246.
Welch et al., High Viscosity Drop-On-Demand Inks, IBM TDB, vol. 24, No. 7B, Dec. 1981, pp. 3944-3945.

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