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    • 1. 发明授权
    • Continuous ink jet ink compositions
    • 连续喷墨油墨组合物
    • US08173215B2
    • 2012-05-08
    • US12474730
    • 2009-05-29
    • Allan F. SowinskiWayne L. CookJoel D. CoomerJames D. McCannMihaela L. MadarasHwei-Ling Yau
    • Allan F. SowinskiWayne L. CookJoel D. CoomerJames D. McCannMihaela L. MadarasHwei-Ling Yau
    • B05D1/26
    • C09D11/38C09D11/322
    • The invention relates to continuous ink jet printing of an aqueous pigmented ink composition recycled from a main ink supply reservoir, employing a printer with a fluid delivery system capable of measuring the ink electrical resistivity, and providing needed quantities of either vehicle replenisher fluid or fresh ink to maintain the desired recycled ink concentration. The electrical resistivity of the pigmented ink can be modified advantageously for stable ink recycling by the addition of the organic amine salt of an acid, and the pH stability of the ink can be simultaneously improved by the additional inclusion of the neutral form of the organic amine in similar molar proportions to the amine salt. The pigmented ink jet ink compositions provide for particularly stable and invariant fluid properties during periods of extended printer operation and ink recirculation.
    • 本发明涉及从主油墨供应储存器再循环的水性着色油墨组合物的连续喷墨印刷,采用具有能够测量油墨电阻率的流体输送系统的打印机,并提供所需量的车辆补给液或新鲜油墨 以保持所需的再循环油墨浓度。 通过添加酸的有机胺盐可以有利地改进着色油墨的电阻率,以稳定的油墨循环,并且通过另外包含中性形式的有机胺可以同时改善油墨的pH稳定性 以与胺盐相似的摩尔比例。 着色喷墨油墨组合物在延长打印机操作和油墨再循环期间提供特别稳定和不变的流体性质。
    • 3. 发明申请
    • CONTINUOUS INKJET PRINTER AQUOUS INK COMPOSITION
    • 连续喷墨打印机油墨组合物
    • US20110123714A1
    • 2011-05-26
    • US12624439
    • 2009-11-24
    • Hwei-Ling YauWayne L. CookBarbara B. LussierSimon C. HaselerAlexandra D. Bermel
    • Hwei-Ling YauWayne L. CookBarbara B. LussierSimon C. HaselerAlexandra D. Bermel
    • B05D5/00C09D11/10
    • C09D11/326C09D11/30
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a water soluble block copolymer having one or more poly(ethylene oxide) block segments wherein the polymer additive is present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中聚合物添加剂包含水溶性 嵌段共聚物,其具有一个或多个聚(环氧乙烷)嵌段,其中所述聚合物添加剂以有效稳定墨组合物的量存在,抵抗由油墨组合物通过连续喷墨印刷流体体系泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。
    • 5. 发明授权
    • Ultrafiltration process for purification of dyes useful in foodstuffs
    • 用于净化食用有机染料的超滤方法
    • US4560746A
    • 1985-12-24
    • US677118
    • 1984-11-30
    • Robert W. J. RebhahnWayne L. Cook
    • Robert W. J. RebhahnWayne L. Cook
    • C09B67/54C09B29/16C09B69/00
    • C09B67/0096
    • The disodium salt of 1-[(6-methoxy-4-sulfo-3-methylphenyl)azo]-2-naphthol-6-sulfonic acid (FD and C Red 40), the disodium salt of 1-[(4-sulfophenyl)azo]-2-naphthol-6-sulfonic acid (FD and C Yellow 6), the trisodium salt of 1-[1-(4-sulfonaphthyl)azo]-2-naphthol-3,6-disulfonic acid (FD and C Red 2), the disodium salt of 2-[1-(4-sulfonaphthyl)azo]-1-naphthol-4-sulfonic acid (Carmoisine) and the sodium salt of 2-(2-quinolyl)-1,3-indanedione-sulfonic acid (D and C Yellow 10) are prepared and purified in high yield and in a high state of purity by subjecting their aqueous reaction mixtures to ultrafiltration through a membrane of such structure and under such conditions that the impurities are separated from the reaction mixtures, and the products are concentrated in high purity concentrates from which the products can be isolated directly by evaporation of the solvent.
    • 1 - [(6-甲氧基-4-磺基-3-甲基苯基)偶氮] -2-萘酚-6-磺酸(FD和C红40)的二钠盐,1 - [(4-磺基苯基) )偶氮] -2-萘酚-6-磺酸(FD和C黄6),1- [1-(4-磺基萘基)偶氮] -2-萘酚-3,6-二磺酸的三钠盐(FD和 C红2),2- [1-(4-磺基萘基)偶氮] -1-萘酚-4-磺酸(Carmoisine)的二钠盐和2-(2-喹啉基) 茚二酮 - 磺酸(D和C黄10)以高产率和高纯度的方式制备和纯化,使其水性反应混合物通过这种结构的膜进行超滤,并在这样的条件下将杂质与 反应混合物,并将产物浓缩在高纯度浓缩物中,通过蒸发溶剂可以直接分离产物。
    • 8. 发明授权
    • Continuous inkjet printer aquous ink composition
    • 连续喷墨打印机含水墨水组成
    • US08398191B2
    • 2013-03-19
    • US12624444
    • 2009-11-24
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • B41J2/195B41J2/17
    • C09D11/322
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a styrene-acrylic copolymer that does not substantially displace any dispersant used to disperse the pigment, present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 一种连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中所述聚合物添加剂包含苯乙烯 - 丙烯酸共聚物,其基本上不排除用于分散颜料的任何分散剂,以有效稳定油墨组合物的量抵抗由油墨组合物通过连续喷墨印刷流体系统泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。
    • 9. 发明申请
    • CONTINUOUS INKJET PRINTER AQUOUS INK COMPOSITION
    • 连续喷墨打印机油墨组合物
    • US20110122180A1
    • 2011-05-26
    • US12624444
    • 2009-11-24
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • Wayne L. CookBarbara B. LussierAlexandra D. Bermel
    • B41J29/38C09D11/10
    • C09D11/322
    • A continuous ink jet printer aqueous ink composition including pigment particles dispersed with a dispersant or self dispersing pigment particles without the need for a dispersant, and a polymer additive distinct from any dispersant used to disperse the pigment particles, wherein the polymer additive comprises a styrene-acrylic copolymer that does not substantially displace any dispersant used to disperse the pigment, present in an amount effective to stabilize the ink composition against shear induced agglomeration caused by pumping the ink composition through a continuous ink jet printing fluid system. A method of continuous ink jet printing includes A) providing a main fluid supply of a continuous inkjet printer with an aqueous ink composition of the invention; B) pumping the ink composition from the main fluid supply to a print head and ejecting a continuous stream of the ink composition from the print head which continuous stream is broken into spaced droplets; and C) in response to electrical signals received from a control mechanism, controlling the spaced droplets to select between printing droplets for marking a substrate and nonprinting droplets that are collected and returned to the main fluid supply.
    • 一种连续喷墨打印机水性油墨组合物,其包含用分散剂或自分散颜料颗粒分散而不需要分散剂的颜料颗粒,以及与用于分散颜料颗粒的任何分散剂不同的聚合物添加剂,其中所述聚合物添加剂包含苯乙烯 - 丙烯酸共聚物,其基本上不排除用于分散颜料的任何分散剂,以有效稳定油墨组合物的量抵抗由油墨组合物通过连续喷墨印刷流体系统泵送引起的剪切诱导团聚。 连续喷墨打印的方法包括:A)使用本发明的水性油墨组合物提供连续喷墨打印机的主流体供应; B)将油墨组合物从主流体供应泵送到打印头,并将墨水组合物的连续流从打印头喷射出来,该连续流被破碎成间隔开的液滴; 并且C)响应于从控制机构接收的电信号,控制间隔开的液滴以在印刷液滴之间进行选择,用于标记基底和被收集并返回到主流体供应的非印刷液滴。