Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
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31/00
Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
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C09B31/06
from a coupling component "C" containing a directive hydroxyl group
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C09B31/06

Low toxicity ink formulations with improved printhead lifetime
10696855 · 2020-06-30 · ·

An inkjet ink includes: (i) a disazo dye of formula (I): ##STR00001##
(ii) 1,3-propanediol; (iii) a glycol compound selected from the group consisting of: triethylene glycol and tetraethylene glycol; and (iv) water. The ink has low toxicity and is preferably absent ethylene glycol and sulfolane.

LOW TOXICITY INK FORMULATIONS WITH IMPROVED PRINTHEAD LIFETIME
20180298218 · 2018-10-18 ·

An inkjet ink includes: (i) a disazo dye of formula (I):

##STR00001##

(ii) 1,3-propanediol; (iii) a glycol compound selected from the group consisting of: triethylene glycol and tetraethylene glycol; and (iv) water. The ink has low toxicity and is preferably absent ethylene glycol and sulfolane.