Jet printing ink composition containing an acetylenic compound and a lactone
First Claim
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1. In a process for information recording comprising producing a fine jet of colored aqueous liquid, directing the jet of colored liquid onto a recording medium, modulating the density of the applied jet by an electric field in accordance with the information to be recorded, the improvement comprising the presence as a humectant consisting of the combination of at least one water-soluble acetylenic compound selected from α
- -substituted acetylenic compounds exhibiting the structural formula;
##STR6## in which each of R1 and R2 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and R1 and R2 may together be a carbonyl oxygen;
R3 may be a substituent of the group consisting of hydrogen, halogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkenyl and alkynyl groups, and substituted-alkyl groups having the formula;
##STR7## in which each of R4 and R5 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, and hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and when R1 and R2 together are carbonyl oxygen, R3 may be an aryl group, including hydroxy and alkoxy and alkyl-substituted aryl;
each of R.sub.α and
R.sub.α
'"'"' may be substituents selected from the group consisting of hydroxy, alkoxy, carboxy-substituted alkoxy, formoxy, alkanoxy, halogen and polyoxy groups and the internal anhydride of at least one carboxylic acid selected from the group consisting of the lactones of fatty acids, the lactones of alicyclic acids, the lactones of acetylenic acids, and the lactones of aromatic acids in a ratio of 90;
1 of the former to 1;
90 of the latter.
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Accused Products
Abstract
An ink composition for use in jet printing comprising an aqueous solution of a water-soluble dye and a humectant consisting of the combination of at least one water-soluble acetylenic compound and the internal anhydride of at least one carboxylic acid in a ratio of 90:1 of the former to 1:90 of the latter.
26 Citations
25 Claims
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1. In a process for information recording comprising producing a fine jet of colored aqueous liquid, directing the jet of colored liquid onto a recording medium, modulating the density of the applied jet by an electric field in accordance with the information to be recorded, the improvement comprising the presence as a humectant consisting of the combination of at least one water-soluble acetylenic compound selected from α
- -substituted acetylenic compounds exhibiting the structural formula;
##STR6## in which each of R1 and R2 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and R1 and R2 may together be a carbonyl oxygen;
R3 may be a substituent of the group consisting of hydrogen, halogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkenyl and alkynyl groups, and substituted-alkyl groups having the formula;
##STR7## in which each of R4 and R5 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, and hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and when R1 and R2 together are carbonyl oxygen, R3 may be an aryl group, including hydroxy and alkoxy and alkyl-substituted aryl;
each of R.sub.α and
R.sub.α
'"'"' may be substituents selected from the group consisting of hydroxy, alkoxy, carboxy-substituted alkoxy, formoxy, alkanoxy, halogen and polyoxy groups and the internal anhydride of at least one carboxylic acid selected from the group consisting of the lactones of fatty acids, the lactones of alicyclic acids, the lactones of acetylenic acids, and the lactones of aromatic acids in a ratio of 90;
1 of the former to 1;
90 of the latter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
- -substituted acetylenic compounds exhibiting the structural formula;
-
14. An ink composition for use in jet printing comprising an aqueous solution of a water-soluble dye and a humectant consisting of the combination of at least one water-soluble acetylenic compound selected from α
- -substituted acetylenic compounds exhibiting the structural formula;
##STR8## in which each of R1 and R2 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and R1 and R2 may together be a carbonyl oxygen;
R3 may be a substituent of the group consisting of hydrogen, halogen, alkyl, alkenyl, alkynyl, hydroxy-substituted and alkoxy-substituted alkenyl and alkynyl groups, and substituted-alkyl groups having the formula;
##STR9## in which each of R4 and R5 may be substituents selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, and hydroxy-substituted and alkoxy-substituted alkyl, alkenyl, and alkynyl groups, and when R1 and R2 together are carbonyl oxygen, R3 may be an aryl group, including hydroxy and alkoxy and alkyl-substituted aryl;
each of R.sub.α and
R.sub.α
'"'"' may be substituents selected from the group consisting of hydroxy, alkoxy, carboxy-substituted alkoxy, formoxy, alkanoxy, halogen and polyoxy groups and the internal anhydride of at least one carboxylic acid selected from the group consisting of the lactones of fatty acids, the lactones of alicyclic acids, the lactones of acetylenic acids, and the lactones of aromatic acids in a ratio of 90;
1 of the former to 1;
90 of the latter. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
- -substituted acetylenic compounds exhibiting the structural formula;
Specification
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Current AssigneeUnited States Gypsum Company (GEBR Knauf Verwaltungsgesellschaft KG)
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Original AssigneeM&T Chemicals Incorporated
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InventorsMansukhani, Ishwar R.
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Primary Examiner(s)Seccuro, Carman J.
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Application NumberUS05/940,501Time in Patent Office396 DaysField of Search106/22, 106/32, 106/20US Class Current106/31.58CPC Class CodesC09D 11/30 Inkjet printing inks
