Phthalocyanine dyes, inks containing the same and use thereof in ink jet printing
Patent 6149722 Issued on November 21, 2000. Estimated Expiration Date: 
February 1, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 1, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3053849 3053850 3647827 3711508 Phthalocyanine reactive dyestuffs Recording liquid Water-soluble phthalocyanine compounds Solid dyestuff preparations having improved water solubility Phthalocyanine compounds Color ink set for ink-jet recording InventorsAssigneeApplicationNo. 240602 filed on 02/01/1999US Classes:106/31.49, Five-ring members in the heterocyclic ring106/31.47, Six-ring members in the heterocyclic ring106/31.77, Six-ring members in the heterocyclic ring106/31.78, Five-ring members in the heteroyclic ring427/466, Nonuniform or patterned coating (e.g., ink jet printing, etc.)428/32.1, INK JET STOCK FOR PRINTING (I.E., STOCK BEFORE PRINTING)540/123, Hetero ring attached directly or indirectly to the phthalocyanine ring system by nonionic bonding540/124, The hetero ring is six-membered having nitrogen as a ring member540/130, Having -C(=X)-, wherein X is chalcogen, attached indirectly to ring carbon of the phthalocyanine ring system by nonionic bonding (e.g., phthalocyanine acetic acids, etc.)540/131, Sulfonyl bonded directly to ring carbon of the phthalocyanine ring system540/133, Nitrogen bonded directly to the sulfonyl group540/134Additional nitrogen in the sulfonyl containing substituentExaminersPrimary: Klemanski, HeleneAttorney, Agent or FirmForeign Patent References
International ClassesC09D 011/02B05D 001/00 B32B 003/00 C09B 047/04 Foreign Application Priority Data2000-06-23 GBAbstractPhthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents: ##STR1## in which: M represents a metal or H;Pc represents a phthalocyanine nucleus; andR1 represents H or --(CH2)n R3 ; R2 represents(CH2)n R3 ; or R1 and R2 together with the nitrogen atom to which they are attached represent a 5 or 6-membered ring; where:n is independently an integer from 1 to 30; andR3 is independently a group selected from hydroxy, sulpho, cyano, --SR4, --CO2 R5, --PO3 H2 and --NR6 R7 ; where:R4, R5, R6 and R7 independently represent H, C1-30 alkyl optionally substituted by one or more groups selected from hydroxy, mercapto, sulpho, carboxy, cyano and --PO3 H2 ;v is the valence of Pc divided by the valence of M;x is from 1.2 to 3.8;y is from 0.1 to 2.7;z is from 0.1 to 2.7; andx, y and z satisfy 2ࣘx+y+zࣘ4.Other References
Field of SearchFive-ring members in the heterocyclic ringSix-ring members in the heterocyclic ring Six-ring members in the heterocyclic ring Five-ring members in the heteroyclic ring Phthalocyanine or derivative containing Special process of milling, grinding, comminuting, plural stage or zone mixing or product Nonuniform or patterned coating (e.g., ink jet printing, etc.) Hetero ring attached directly or indirectly to the phthalocyanine ring system by nonionic bonding The hetero ring is six-membered having nitrogen as a ring member Having -C(=X)-, wherein X is chalcogen, attached indirectly to ring carbon of the phthalocyanine ring system by nonionic bonding (e.g., phthalocyanine acetic acids, etc.) Sulfonyl bonded directly to ring carbon of the phthalocyanine ring system Nitrogen bonded directly to the sulfonyl group Additional nitrogen in the sulfonyl containing substituent |
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