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Details
Inventors: Vieira, Eric; Laver, Hugh S.;
Assignee: Ciba-Geigy Corporation (Ardsley, NY)
Primary Examiner: Schwartz; Pamela R.
Assistant Examiner:
Attorney, Agent or Firm: Villamizar; JoAnn

Recording materials for ink jet printing containing, as a stabilizer, at least one compound of the formula I ##STR1## The symbols R.sub.1, R.sub.2, R.sub.3, R.sub.3 'R.sub.4 and R.sub.4 ' are as defined in claim 1.

DETAILED DESCRIPTION What is claimed is: 1.
A recording material for ink jet printing comprising a carrier having a surface which can be printed on or a carrier coated on one side with a material which can be printed on, wherein said carrier or said coating contains as a stabilizer, at least one compound of the formula I ##STR17## in which R.
sub.
1 and R.
sub.
2 independently of one another are C.
sub.
1 -C.
sub.
4 alkyl which is unsubstituted or substituted by one or two --OH, --COO.
sup.
.
crclbar.
M.
sup.
.
sym.
and/or --SO.
sub.
3.
sup.
.
crclbar.
M.
sup.
.
sym.
groups, C.
sub.
3 -C.
sub.
5 alkenyl, C.
sub.
3 -C.
sub.
5 alkynyl, ##STR18## --CH.
sub.
2 CH(OH)CH.
sub.
2 --SO.
sub.
3.
sup.
.
crclbar.
M.
sup.
.
sym.
, --CO-alkyl(C.
sub.
1 -C.
sub.
4) which is unsubstituted or substituted by --COOR.
sup.
o or --CO--N(R.
sub.
5)(R.
sub.
6) or, if OR.
sub.
1 and OR.
sub.
2 are in the ortho-position relative to one another, R.
sub.
1 and R.
sub.
2 together are C.
sub.
1 -C.
sub.
6 alkylene, M.
sup.
.
sym.
being H.
sup.
.
sym.
, a monovalent, divalent or trivalent metal cation or a group (R.
sub.
12 ')N.
sup.
.
sym.
(R.
sub.
12 ")(R.
sub.
13 ')(R.
sub.
14 '), wherein R.
sub.
12 ', R.
sub.
12 ", R.
sub.
13 and R.
sub.
14 independently of one another are H, C.
sub.
1 -C.
sub.
4 alkyl which is unsubstituted or substituted by 1 or 3 OH, C.
sub.
1 -C.
sub.
4 alkyl interrupted by O, allyl, cyclopentyl, cyclohexyl, phenyl, benzyl or tolyl, or R.
sub.
1 is a group ##STR19## in which p' is a number from 2 to 6, R.
sub.
5 and R.
sub.
6 independently of one another are H or C.
sub.
1 -C.
sub.
4 alkyl which is unsubstituted or substituted by an OH, COOR.
sup.
o, --COO.
sup.
.
crclbar.
M.
sup.
.
sym.
, SO.
sub.
3 R.
sup.
o, SO.
sub.
3.
sup.
.
crclbar.
M.
sup.
.
sym.
, P(O)(O.
sup.
.
crclbar.
M.
sup.
.
sym.
).
sub.
2 or P(O)(OR.
sup.
o).
sub.
2 group, R.
sub.
3 ' and R.
sub.
4 ' independently of one another are H, C.
sub.
1 -C.
sub.
4 alkyl, OH or C.
sub.
1 -C.
sub.
4 alkoxy, R.
sub.
3 and R.
sub.
4 independently of one another are H, halogen, --OR.
sub.
7, --COOR.
sup.
o, --COO.
sup.
.
crclbar.
M.
sup.
.
sym.
, --OOC--R.
sub.
5, --CO--N(R.
sub.
5)(R.
sub.
6), --(R.
sub.
5)N--CO--R



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