C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
31/153
C09D 11/02 (2006.01) B41J 2/005 (2006.01) C09D 11/00 (2006.01) C09D 11/16 (2006.01)
Patent
CA 1296881
ABSTRACT OF THE DISCLOSURE The subject ink comprises a fatty acid vehicle, a colorant, and amounts of anti-oxidant, preferably an alkylated hydroquinone, which are effective to substantially reduce the rate of corrosion on metallic parts of the system. The preferred anti- oxidant, which comprises 0.1-5 wt% of the ink, is an alkylated hydroquinone, particularly butylated hydro- quinone. The subject ink preferably comprises an oleic acid vehicle, and a vehicle additive selected from the group consisting of aromatic alcohols, aromatic ethers, dimethylsulfoxides, alkyl pyrrolidones, methoxy- and ethoxy- triglycols, aliphatic ketones, and mixtures thereof. The corrosive nature of such inks is poten- tiated by the relatively high percentages of the vehicle-soluble dyes in the ink. Such dyes are present in amounts up to 20 wt% of the ink.
495584
Lin A. Robert
Whitfield Richard G.
Dataproducts Corporation
Lin A. Robert
Swabey Ogilvy Renault
Whitfield Richard G.
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