Claims
- 1. An additive for inkjet printing, comprising a stabilized ascorbic acid derivative.
- 2. The additive according to claim 1, wherein said stabilized ascorbic acid derivative is:an ascorbic acid derivative wherein at least one of the groups derived from the hydroxyl groups at the 2- and 3-positions of ascorbic acid is an ester with an inorganic or organic acid or a glycoside with a saccharide and at least one of the groups derived from the hydroxyl groups at the 5- and 6-positions of ascorbic acid may form an ester with an inorganic or organic acid; or a salt thereof.
- 3. The additive according to claim 2, wherein said stabilized ascorbic acid derivative is:an ascorbic acid derivative wherein the group derived from the hydroxyl group at the 2-position of ascorbic acid is an ester with a phosphoric acid or a glucoside with a glucose and at least one of the groups derived from the hydroxyl groups at the 3-, 5- and 6-positions of ascorbic acid may form an ester with an inorganic or organic acid; or a salt thereof.
- 4. The additive according to claim 2, wherein said stabilized ascorbic acid derivative is an alkali metal, alkaline earth metal or transition metal salt of ascorbic acid-2-phosphate, an ascorbic acid-2-glucoside or a 6-ester thereof with an organic acid.
Priority Claims (1)
Number |
Date |
Country |
Kind |
11-026473 |
Feb 1999 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATION
The present application is an application pursuant to 35 U.S.C. §111(a) with claiming in compliance with 35 U.S.C. §119(e)(1) the benefit of earlier filing date of Provisional Application No. 60/125,938, filed on Mar. 23, 1999 under 35 U.S.C. §111(b).
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5215767 |
Mitsuhashi |
Jun 1993 |
A |
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/125938 |
Mar 1999 |
US |