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91. 发明授权

US06582873B2 Toner coagulant processes 失效
公开(公告)号：US06582873B2
公开(公告)日：2003-06-24
申请号：US10164162
申请日：2002-06-05
申请人： Lu Jiang , Nan-Xing Hu , Raj D. Patel , Walter Mychajlowskij , Michael A. Hopper
发明人： Lu Jiang , Nan-Xing Hu , Raj D. Patel , Walter Mychajlowskij , Michael A. Hopper
IPC分类号： C08J3215
CPC分类号： G03G9/0804 , G03G9/09708
摘要： A toner process including, for example, mixing a latex with a colorant wherein the latex contains resin and an ionic surfactant, and the colorant contains a surfactant and a colorant; adding a polyaluminum chloride; affecting aggregation by heating; adding a chelating component and a base wherein the base increases the pH of the formed aggregates; heating the resulting mixture to accomplish coalescence; and isolating the toner.

92. 发明授权

US06562541B2 Toner processes 失效
公开(公告)号：US06562541B2
公开(公告)日：2003-05-13
申请号：US09960425
申请日：2001-09-24
申请人： Daryl Vanbesien , Raj D. Patel , Michael A. Hopper , Stephan V. Drappel
发明人： Daryl Vanbesien , Raj D. Patel , Michael A. Hopper , Stephan V. Drappel
IPC分类号： C08J3215
CPC分类号： G03G9/0804 , G03G9/0806
摘要： A process for the preparation of toner by, for example, mixing a latex with a colorant mixture comprised of colorant, an ionic surfactant, and a polytetrafluoroethylene; adding a coagulant; heating the resulting mixture below about the glass transition temperature (Tg) of the latex resin; adding a stabilizer; heating above about the Tg of the latex resin; and isolating the toner.

93. 发明授权

US06541175B1 Toner processes 有权
标题翻译：墨粉处理
公开(公告)号：US06541175B1
公开(公告)日：2003-04-01
申请号：US10062129
申请日：2002-02-04
申请人： Lu Jiang , Walter Mychajlowskij , Guerino G. Sacripante , Raj D. Patel , Michael A. Hopper
发明人： Lu Jiang , Walter Mychajlowskij , Guerino G. Sacripante , Raj D. Patel , Michael A. Hopper
IPC分类号： G03G908
CPC分类号： C08J3/215 , C08J2367/02 , G03G9/0804 , G03G9/08755
摘要： A process involving, for example, providing or generating an emulsion latex comprised of sodio sulfonated polyester resin particles by adding with shearing to the latex a colorant dispersion comprising from about 20 to about 50 percent of a predispersed colorant in water, followed by the addition of an organic or an inorganic acid; heating the resulting mixture at a temperature of from about 45° C. to about 65° C. followed by the addition of an water insoluble metal salt or water insoluble metal oxide thereby releasing metal ions and permitting aggregation and coalescence, resulting in toner particles; and optionally cooling the mixture and isolating the product.
摘要翻译：一种方法涉及例如提供或产生由磺基磺化聚酯树脂颗粒组成的乳液胶乳，通过向胶乳中加入着色剂分散体，该着色剂分散体包含约20至约50％的预分散着色剂在水中，随后加入有机或无机酸; 在约45℃至约65℃的温度下加热所得混合物，然后加入水不溶性金属盐或水不溶性金属氧化物，从而释放金属离子并允许聚集和聚结，导致调色剂颗粒; 并任选地冷却混合物并分离产物。

94. 发明授权

US06500597B1 Toner coagulant processes 失效
标题翻译：调色剂凝结剂工艺
公开(公告)号：US06500597B1
公开(公告)日：2002-12-31
申请号：US09922263
申请日：2001-08-06
申请人： Raj D. Patel , Lori A. Rettinger , Michael A. Hopper
发明人： Raj D. Patel , Lori A. Rettinger , Michael A. Hopper
IPC分类号： G03A900
CPC分类号： G03G9/0804
摘要： A process for the preparation of chemical toner by mixing a colorant, a latex, optionally a wax, and a first coagulant of, for example, a polyaluminum sulfosilicate and a second cationic coagulant of, for example, a benzylalkonium chloride.
摘要翻译：通过混合着色剂，胶乳，任选的蜡和例如聚山梨酸磺酸铝的第一絮凝剂和例如苄基氯化铵的第二阳离子凝结剂来制备化学调色剂的方法。

95. 发明授权

US06268103B1 Toner processes 有权
标题翻译：墨粉处理
公开(公告)号：US06268103B1
公开(公告)日：2001-07-31
申请号：US09645704
申请日：2000-08-24
申请人： Michael A. Hopper , Raj D. Patel
发明人： Michael A. Hopper , Raj D. Patel
IPC分类号： G03G9087
CPC分类号： G03G9/0806 , G03G9/0804 , G03G9/08782
摘要： A toner process comprising mixing a functionalized wax with a colorant and a resin latex emulsion; adding an inorganic cationic coagulant; heating below the latex resin Tg; adjusting the pH to basic; and heating above the latex resin Tg.
摘要翻译：一种调色剂方法，包括将官能化蜡与着色剂和树脂胶乳乳液混合; 添加无机阳离子凝结剂; 加热到乳胶树脂Tg以下; 将pH调节至碱性; 并在胶乳树脂Tg以上加热。

96. 发明授权

US6120967A Sequenced addition of coagulant in toner aggregation process 有权
标题翻译：在调色剂聚集过程中顺序添加凝结剂
公开(公告)号：US6120967A
公开(公告)日：2000-09-19
申请号：US487598
申请日：2000-01-19
申请人： Michael A. Hopper , Raj D. Patel , Lori Ann Rettinger , Tanya Jane Martin
发明人： Michael A. Hopper , Raj D. Patel , Lori Ann Rettinger , Tanya Jane Martin
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/0825
摘要： A process for the preparation of a toner composition includes (i) forming a resin latex dispersion of a resin in an aqueous ionic surfactant solution from a latex utilizing an ionic surfactant and optionally a nonionic surfactant; (ii) preparing a pigment dispersion in water of a pigment dispersed in water and a nonionic dispersant, and optionally an ionic surfactant of the same polarity as that employed in preparing the resin latex dispersion of step (i); (iii) blending at least a portion of the resin latex dispersion with the pigment dispersion, and optionally a wax dispersion, to form a resin-pigment blend; (iv) adding a portion of a counterionic coagulant in an aqueous solution to the resin-pigment blend, while continuously subjecting the mixture to high shear, to induce a homogeneous gel of the resin-pigment blend, wherein the amount of the counterionic coagulant added is 25 to 90% by weight of a total amount of counterionic coagulant to be added during the process; (v) heating the sheared gel at temperatures below a glass transition temperature (Tg) of the resin while continuously stirring to form aggregate particles; (vi) following a period of time to permit stabilization of aggregate particle size, adding a remaining portion of the total amount of counterionic coagulant to be added during the process in one or more sequenced stages; (vii) adding any remaining portion of the resin latex dispersion; (viii) changing the pH with a base in order to stabilize the aggregates; and (ix) heating the aggregate particles at temperatures above the Tg of the resin followed by reduction of the pH with an acid to form coalesced particles of a toner composition.
摘要翻译：制备调色剂组合物的方法包括：（i）使用离子表面活性剂和任选的非离子表面活性剂，由胶乳形成树脂在离子表面活性剂水溶液中的树脂胶乳分散体; （ii）在分散在水中的颜料的水中制备颜料分散体和非离子分散剂，以及任选的与制备步骤（i）的树脂胶乳分散体相同极性的离子表面活性剂; （iii）将至少一部分树脂胶乳分散体与颜料分散体和任选的蜡分散体共混以形成树脂 - 颜料混合物; （iv）将一部分抗衡离子凝结剂加入到树脂 - 颜料混合物中，同时连续地对混合物进行高剪切，以引起树脂 - 颜料混合物的均匀凝胶，其中加入的抗衡离子凝结剂的量在该方法中加入的抗衡凝血剂总量的25〜90重量％（v）在低于树脂的玻璃化转变温度（Tg）的温度下加热剪切的凝胶，同时连续搅拌以形成聚集体颗粒; （vi）经过一段时间以允许骨料粒度的稳定化，在一个或多个测序阶段加入待加入的抗衡离子凝结剂总量的剩余部分; （vii）添加任何剩余部分的树脂胶乳分散体; （viii）用碱改变pH以稳定聚集体; 和（ix）在高于树脂的Tg的温度下加热聚集体颗粒，然后用酸降低pH，以形成调色剂组合物的聚结颗粒。

97. 发明授权

US5910387A Toner compositions with acrylonitrile and processes 失效
标题翻译：具有丙烯腈和工艺的调色剂组合物
公开(公告)号：US5910387A
公开(公告)日：1999-06-08
申请号：US6521
申请日：1998-01-13
申请人： Walter Mychajlowskij , Beng S. Ong , Emily L. Moore , Raj D. Patel
发明人： Walter Mychajlowskij , Beng S. Ong , Emily L. Moore , Raj D. Patel
IPC分类号： G03G9/087 , G03G9/09
CPC分类号： G03G9/08711 , G03G9/08704 , G03G9/08731
摘要： A toner composition comprised of colorant, and an addition polymer resin of styrene, butadiene, acrylonitrile and acrylic acid.
摘要翻译：由着色剂和苯乙烯，丁二烯，丙烯腈和丙烯酸的加成聚合物树脂组成的调色剂组合物。

98. 发明授权

US5869216A Toner processes 失效
标题翻译：墨粉处理
公开(公告)号：US5869216A
公开(公告)日：1999-02-09
申请号：US6742
申请日：1998-01-13
申请人： Beng S. Ong , Walter Mychajlowskij , Raj D. Patel , Patricia A. Burns , Richard P. N. Veregin
发明人： Beng S. Ong , Walter Mychajlowskij , Raj D. Patel , Patricia A. Burns , Richard P. N. Veregin
IPC分类号： G03G9/087 , G03G9/08 , G03G9/097
CPC分类号： G03G9/0804 , G03G9/09733 , Y10S977/89
摘要： A process for the preparation of toner comprising blending an aqueous colorant dispersion and a latex emulsion containing resin; heating the resulting mixture at a temperature below about the glass transition temperature (Tg) of the latex resin to form toner sized aggregates; heating said resulting aggregates at a temperature above about the Tg of the latex resin to effect fusion or coalescence of the aggregates; redispersing said toner in water at a pH of above about 7; contacting the resulting mixture with a metal halide or salt, and then with a mixture of an alkaline base and a salicylic acid, a catechol, or mixtures thereof at a temperature of from about 25.degree. C. to about 80.degree. C.; and optionally isolating the toner product, washing, and drying.
摘要翻译：一种制备调色剂的方法，包括混合含水着色剂分散体和含树脂的胶乳乳液; 在低于胶乳树脂的玻璃化转变温度（Tg）的温度下加热所得混合物以形成调色剂尺寸的聚集体; 在高于约胶乳树脂的Tg的温度下加热所述聚集体，以实现聚集体的熔融或聚结; 将所述调色剂在pH高于约7的水中再分散; 在约25℃至约80℃的温度下将所得混合物与金属卤化物或盐接触，然后与碱性碱和水杨酸，儿茶酚或其混合物的混合物接触。并任选地分离调色剂产物，洗涤和干燥。

99. 发明授权

US5852140A Semisuspension polymerization processes 失效
标题翻译：半悬浮聚合工艺
公开(公告)号：US5852140A
公开(公告)日：1998-12-22
申请号：US37192
申请日：1993-03-25
申请人： Michael K. Georges , Raj D. Patel
发明人： Michael K. Georges , Raj D. Patel
IPC分类号： C08F2/00 , C08F2/02 , C08F2/16 , C08F4/00
CPC分类号： C08F2/001 , C08F4/00
摘要： Disclosed is a process for the preparation of a polymer which comprises effecting bulk polymerization of a mixture of at least one monomer, a free radical polymerization initiator, and a stable free radical agent until from about 10 to about 50 weight percent of the monomer has been polymerized; optionally adding additional free radical initiator; optionally adding a colorant; dispersing with a high shear mixer the aforementioned partially polymerized mixture in water containing a stabilizing component selected from the group consisting of non-ionic and ionic water soluble polymeric stabilizers to obtain a suspension of particles with an average diameter of from about 0.1 to about 10 microns; polymerizing the resulting suspension to form said polymer.
摘要翻译：公开了一种制备聚合物的方法，其包括进行至少一种单体，自由基聚合引发剂和稳定自由基试剂的混合物的本体聚合，直到约10至约50重量％的单体已经聚合的任选地加入另外的自由基引发剂; 任选地加入着色剂; 用高剪切混合器将上述部分聚合的混合物在含有选自非离子和离子水溶性聚合物稳定剂的稳定组分的水中分散，以获得平均直径为约0.1至约10微米的颗粒悬浮液 ; 聚合所得悬浮液以形成所述聚合物。

100. 发明授权

US5688626A Gamut toner aggregation processes 失效
标题翻译：色域调色剂聚集过程
公开(公告)号：US5688626A
公开(公告)日：1997-11-18
申请号：US628062
申请日：1996-04-08
申请人： Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Richard P. N. Veregin , Maria N. V. McDougall
发明人： Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Richard P. N. Veregin , Maria N. V. McDougall
IPC分类号： G03G9/08 , G03G9/097 , G03G9/09
CPC分类号： G03G9/09733 , G03G9/0804 , G03G9/0815
摘要： A process for the preparation of a combination of color toners comprised of a cyan toner, a magenta toner, a yellow toner, and a black toner, each of said toners being comprised of resin and pigment, and wherein the pigment is cyan, magenta, yellow and black, each of the said pigments are dispersed in a nonionic, or neutral charge surfactant, and wherein each toner in the combination is prepared by (i) preparing a pigment dispersion, which dispersion is comprised of a pigment and nonionic water soluble surfactant; (ii) shearing said pigment dispersion with a latex or emulsion blend comprised of resin, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant and a nonionic surfactant; (iii) heating the above sheared blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates; and (iv) heating said bound toner size aggregates above about the Tg of the resin.
摘要翻译：一种用于制备由青色调色剂，品红色调色剂，黄色调色剂和黑色调色剂组成的彩色调色剂的组合的方法，每种所述调色剂由树脂和颜料组成，并且其中所述颜料是青色，品红色，黄色和黑色，每种所述颜料分散在非离子或中性电荷表面活性剂中，并且其中组合中的每种调色剂通过以下制备：（i）制备颜料分散体，该分散体由颜料和非离子水溶性表面活性剂 ; （ii）用由树脂，具有与所述离子表面活性剂的电荷极性相反的电荷极性的抗衡离子表面活性剂和非离子表面活性剂的胶乳或乳液共混物剪切所述颜料分散体; （iii）将上述剪切混合物加热至低于树脂的玻璃化转变温度（Tg）以形成静电结合的调色剂尺寸聚集体; 和（iv）将所述结合的调色剂尺寸聚集体加热到高于树脂的Tg的高度。

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