Isocyanate-derived phase change ink additive for improved electr

Details Isocyanate-derived phase change ink additive for improved electr Isocyanate-derived phase change ink additive for improved electr

1998-09-04

2000-05-02

Niland, Patrick D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

106 3101, 106 3113, 106 3127, 106 3129, 106 313, 106 3132, 106 3143, 523160, 523161, 524589, C08J 300, C08K 320, C08L 7500, C09D 1112, C03C 1700

Patent

active

060573996

ABSTRACT:
Phase change ink additives are disclosed which comprise quaternary ammonium salts that are extremely useful in producing phase change inks with increased specific conductance. Suitable and adjustable specific conductance is necessary for reliable functioning of electronic type ink level sensing systems used in phase change ink jet printers. Phase change inks may also be encoded for type by virtue of their specific conductance.

REFERENCES:
patent: 5385957 (1995-01-01), Tobias et al.
patent: 5386224 (1995-01-01), Deur et al.
patent: 5621022 (1997-04-01), Jaeger et al.
patent: 5780528 (1998-07-01), Titterinton et al.
U.S. Patent Application, Serial No. 08/916,588, C.W. Jaeger et al.
U.S. Patent Application, Serial No. 09/023,851, D.R. Hahn et al.

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