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Quantum Computing

UV-absorbers

Optical information medium and method for fabricating the same

An object of the invention is to provide an optical information medium wherein given letters or ...

Coated papers

OF THE INVENTION In one embodiment of the present invention, the paper substrate comprises sized ...

Method for improving the readability of data processing forms

OF THE INVENTION The present invention relates in general to a data processing form for use with ...

Photoreactor composition containing an arylketoalkene wavelength-specific sensitizer

The present invention addresses some of the difficulties and problems discussed above by the ...

Method of light stabilizing a colorant

OF THE INVENTION The present invention relates in general to a light-stable colorant system that ...

Pre-dyes, mutable dye compositions, and methods of developing a color

OF THE INVENTION The present invention relates, in one aspect, to pre-dyes that are mutable by ...

Pre-dyes, pre-dye compositions, and methods of developing a color

OF THE INVENTION The present invention relates, in one aspect, to pre-dyes that are mutable by ...

Colorant stabilizers

OF THE INVENTION This application is directed to compositions and methods for stabilizing ...

Photo-erasable data processing forms

OF THE INVENTION The present invention relates in general to a data processing form for use with ...

Colorant stabilizers

OF THE INVENTION This application is directed to compositions and methods for stabilizing ...

UV absorbers

Details

Inventors: Toan, Vien V.;
Assignee: Ciba-Geigy Corp. (Tarrytown, NY)
Primary Examiner: Neville; Thomas R.
Assistant Examiner:
Attorney, Agent or Firm: Kovaleski; Michele A.

Novel UV absorbers of the bis- or tris-2'-hydroxyphenyltriazine type and their use in photographic materials, inks or recording materials for ink-jet printing, and surface coatings are described which conform to the formula ##STR1## in which the radicals R.sub.1 and R.sub.9 are as defined in claim 1.

DETAILED DESCRIPTION What is claimed is: 1.
A compound of the formula ##STR34## in which the radicals R.
sub.
1, independently of one another, are--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
k --R.
sub.
8, --CH.
sub.
2 --CH(OH)--CH.
sub.
2 --O--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8, --(CH.
sub.
2).
sub.
1 --CHR.
sub.
6 --C(O)--O--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8 or --CH.
sub.
2 --CH(CH.
sub.
2 --OR.
sub.
7)--O--C(O)--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8 ; R.
sub.
2 is H, OH, C.
sub.
1-C.
sub.
12 alkyl, F or Cl; R.
sub.
3 is H, OR.
sub.
9, C.
sub.
1 -C.
sub.
12 alkyl, F or Cl; R.
sub.
4 is H, OR.
sub.
9, C.
sub.
1 -C.
sub.
12 alkyl, F, Cl or, if R.
sub.
2 is OH, is alternatively OR.
sub.
1 ; R.
sub.
5 is H or CH.
sub.
3 ; R.
sub.
6 is C.
sub.
1-C.
sub.
16 alkyl or, if 1 is not 1, is alternatively H; R.
sub.
7 is C.
sub.
1 -C.
sub.
14 alkyl or phenyl; R.
sub.
8 is H, C.
sub.
1 -C.
sub.
14 alkyl, phenyl or C.
sub.
1 -C.
sub.
4 alkylphenyl; R.
sub.
9 is C.
sub.
1 -C.
sub.
4 alkyl; k is a number from 2 to 16; l is a number from 0 to 16 and n is a number from 1 to 16.
2.
A compound according to claim 1, wherein, in the formula (I), the radicals R.
sub.
1, independently of one another, are --(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
k --R.
sub.
8, --CH.
sub.
2 --CH(OH)--CH.
sub.
2 --O--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8, --(CH.
sub.
2).
sub.
1 --CHR.
sub.
6 --C(O)--O--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8 or --CH.
sub.
2 --CH(CH.
sub.
2 --OR.
sub.
7)--O--C(O)--(CH.
sub.
2 CHR.
sub.
5 --O).
sub.
n --R.
sub.
8 ; R.
sub.
2 is H, OH, C.
sub.
1 -C.
sub.
8 alkyl, F or Cl; R.
sub.
3 is H, OR.
sub.
9, C.
sub.
1 -C.
sub.
8 alkyl, F or Cl; R.
sub.
4 is H, OR.
sub.
9, C.
sub.
1 -C.
sub.
8 alkyl, F, Cl or, if R.
sub.
2 is OH, is alternatively OR.
sub.
1 ; R.
sub.
5 is H; R.
sub.
6 is C.
sub.
1 -C.
sub.
12 alkyl or, if l is not 1, is alternatively H; R.
sub.
7 is C.
sub.
1 -C.
sub.
8 alkyl; R.
sub.
8 is H or C.
sub.
1 -C.
sub.
10 alkyl; R.
sub.
9 is C.
sub.
1 -C.
sub.
4 alkyl; k is a number from 2 to 12; l is a number from 0 to 12, and n is a number from 1 to 12.
3.
A compound according to claim 1, wherein, in the formula (I), the radicals R.
sub.
1, independently of one another, are --CH

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