METHOD OF INITIATING ACTION IN COMPUTER SYSTEM VIA ANALOG-PRINTED SUBSTRATE
A method of initiating a requested action in a computer system via a printed substrate. The substrate contains human-readable information and machine-readable coded data. The method includes the steps of: positioning a sensing device in an operative position relative to the substrate; sensing the coded data; generating indicating data in the sensing device using the sensed coded data; and sending the indicating data to the computer system. The coded data comprises a phthalocyanine salt comprising one or more sulfonate groups. A counterion of at least one sulfonate group is an ammonium cation comprising at least 20 carbon atoms.
1 . A method of initiating a requested action in a computer system via a printed substrate, the substrate containing human-readable information and machine-readable coded data, the method including the steps of:
positioning a sensing device in an operative position relative to the substrate;
sensing at least some of the coded data;
generating indicating data in the sensing device using at least some of the sensed coded data, said indicating data enabling the computer to identify the requested action; and
sending the indicating data to the computer system,
wherein said coded data comprises a phthalocyanine salt comprising one or more sulfonate groups, wherein a counterion of at least one sulfonate group is an ammonium cation comprising at least 20 carbon atoms.
2 . The method of claim 1 , wherein said coded data is printed with a solvent-based or oil-based ink comprising the phthalocyanine salt defined in claim 1 .
3 . The method of claim 1 , wherein said substrate is printed by an analog printing process.
4 . The method of claim 1 , wherein said substrate is a printed page.
5 . The method of claim 1 , wherein said substrate is a label or packaging for a product item.
6 . The method of claim 1 , wherein said ammonium cation comprises at least one group C 6-30 alkyl group or at least one C 6-30 benzylalkyl group.
7 . The method of claim 1 , wherein said phthalocyanine salt comprises a plurality of sulfonate groups.
8 . The method of claim 1 , wherein said phthalocyanine salt is IR-absorbing phthalocyanine.
9 . The method of claim 1 , wherein said phthalocyanine salt is a naphthalocyanine salt.
10 . The method of claim 1 , wherein said ammonium cation is of formula: N(R m )(R n )(R s )(R t ), wherein:
each of R m , R n , R s and R t is independently selected from the group consisting of: C 1-30 alkyl, C 5-12 aryl and C 5-30 arylalkyl; or
R m and R n are together joined to form a C 5-10 heterocycloalkyl group, with R s and R t being independently selected from the group consisting of: C 1-30 alkyl, C 5-12 aryl and C 5-30 arylalkyl; or
R m , R n and R s are together joined to form a C 5-10 heteroaryl group, with R t being independently selected from the group consisting of: C 1-30 alkyl, C 5-12 aryl and C 5-30 arylalkyl.
11 . The method of claim 10 , wherein at least one of R m , R n , R s and R t comprises 10 or more carbon atoms.
12 . The method of claim 10 , wherein at least two of R m , R n , R s and R t comprise 6 or more carbon atoms.
13 . The phthalocyanine salt of claim 0 , wherein at least three of R m , R n , R s and R t comprise 6 or more carbon atoms.
14 . The method of claim 10 , wherein each of R m , R n , R s and R t is independently selected from C 1-30 alkyl.
15 . The method of claim 10 , wherein said ammonium cation is of formula:
16 . The method of claim 1 , wherein said phthalocyanine salt is of formula (Ia):
wherein:
Q 1 , Q 2 , Q 3 and Q 4 are the same or different and are independently selected from the group consisting of: a C 3-20 arylene group or a C 3-20 heteroarylene group;
M is (H 2 ) or a metal selected from the group consisting of: Si(A 1 )(A 2 ), Ge(A 1 )(A 2 ), Ga(A 1 ),
Mg, Al(A 1 ), TiO, Ti(A 1 )(A 2 ), ZrO, Zr(A 1 )(A 2 ), VO, V(A 1 )(A 2 ), Mn, Mn(A 1 ), Fe, Fe(A 1 ), Co, Ni, Cu, Zn, Sn, Sn(A 1 )(A 2 ), Pb, Pb(A 1 )(A 2 ), Pd and Pt;
A 1 and A 2 are axial ligands, which may be the same or different, and are selected from the group consisting of: —OH, halogen, —OR 3 , —OC(O)R 4 and —O(CH 2 CH 2 O) e R e wherein e is an integer from 2 to 10 and R e is H, C 1-8 alkyl and C(O)C 1-8 alkyl;
R 3 is selected from the group consisting of: C 1-20 alkyl, C 5-12 aryl, C 5-20 arylalkyl and Si(R x )(R y )(R z );
R 4 is selected from the group consisting of: C 1-20 alkyl, C 5-12 aryl and C 5-20 arylalkyl;
R x , R y and R z are the same or different and are selected from the group consisting of: C 1-12 alkyl, C 5-12 aryl, C 5-12 arylalkyl, C 1-12 alkoxy, C 5-12 aryloxy and C 5-12 arylalkoxy; and
Z 1 + , Z 2 + , Z 3 + and Z 4 + may be the same or different and are each an ammonium cation comprising at least 20 carbon atoms.
17 . The method of claim 1 , wherein said phthalocyanine salt is of formula (I):
wherein
M is Ga(A 1 );
A 1 is an axial ligand selected from the group consisting of: —OH, halogen, —OR 3 , —OC(O)R 4 and —O(CH 2 CH 2 O) e R e wherein e is an integer from 2 to 10 and R e is H, C 1-8 alkyl or C(O)C 1-8 alkyl;
R 3 is selected from the group consisting of: C 1-20 alkyl, C 5-12 aryl, C 5-20 arylalkyl and Si(R x )(R y )(R z );
R 4 is selected from the group consisting of: C 1-20 alkyl, C 5-12 aryl or C 5-20 arylalkyl;
R x , R y and R z may be the same or different and are selected from the group consisting of: C 1-12 alkyl, C 5-12 aryl, C 5-12 arylalkyl, C 1-12 alkoxy, C 5-12 aryloxy and C 5-12 arylalkoxy; and
Z 1 + , Z 2 + , Z 3 + and Z 4 + may be the same or different and are each an ammonium cation comprising at least 20 carbon atoms.