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1.发明授权
公开(公告)号：US4702984A
公开(公告)日：1987-10-27
申请号：US857349
申请日：1986-04-30
申请人： Lyla M. El-Sayed , Arthur J. Taggi
发明人： Lyla M. El-Sayed , Arthur J. Taggi
CPC分类号： G03G9/135 , G03G9/131 , G03G9/1355
摘要： Electrostatic liquid developer consisting essentially of(A) nonpolar liquid having a Kauri-butanol value of less than 30, present in a major amount,(B) thermoplastic resin particles a plurality of fibers integrally extending therefrom and having an average by area particle size of less than 10 .mu.m,(C) nonpolar liquid soluble ionic or zwitterionic compound, and(D) charge adjuvant of a polyhydroxy compound, or an aminoalcohol.(E) colorant, and(F) a polybutylene succinimide.The electrostatic liquid developers are useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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2.发明授权AB diblock copolymers as charge directors for negative electrostatic liquid developer 失效AB二嵌段共聚物作负极静电液体显影剂的电荷导向剂
公开(公告)号：US5035972A
公开(公告)日：1991-07-30
申请号：US429690
申请日：1989-10-31
IPC分类号： G03G9/13
CPC分类号： G03G9/133
摘要： Negative-working electrostatic liquid developer consisting essentially of(A) nopolar liquid having Kauri-butanol value less than 30, present in major amount,(B) thermoplastic resin particles having an average particle size by area of less than 10 .mu.m, and(C) an AB diblock copolymer charge director compound as defined. Optionally a colorant and charge adjuvant are present. The process of making the electrostatic liquid developer is described. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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3.发明授权Modified liquid electrostatic developer having improved image scratch resistance 失效改进的液体静电显影剂具有改善的图象耐擦性
公开(公告)号：US4820605A
公开(公告)日：1989-04-11
申请号：US125290
申请日：1987-11-25
申请人： Lyla M. El-Sayed
发明人： Lyla M. El-Sayed
CPC分类号： G03G9/135 , G03G9/12 , G03G9/131 , G03G9/1355
摘要： Liquid Electrostatic Developer consisting essentially ofA. nonpolar liquid having a Kauri-butanol value of less than 30, present in major amount,B. at least one thermoplastic resin having average by area particle size of less than 10 .mu.m,C. a charge director compound,D. particles of a blend of wax and at least one metallic soap or inorganic metal salt, e.g., triglyceride wax/metallic soap or metal salt.Optionally a colorant is present. The liquid electrostatic developer is useful in copying, e.g., medical hard copies, making proofs, lithographic printing plates, and resists.
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4.发明授权Salts of acid-containing AB diblock copolymers as charge directors for positive-working electrostatic liquid developers 失效含有AB二嵌段共聚物作为积极工作静电液体开发商的负责人的负责人
公开(公告)号：US5130221A
公开(公告)日：1992-07-14
申请号：US489649
申请日：1990-03-07
IPC分类号： C08F293/00 , C08F297/02 , G03G9/13
CPC分类号： C08F293/00 , C08F297/02 , G03G9/133
摘要： Positive-working electrostatic liquid developer consisting essentially of(A) nonpolar liquid having Kauri-butanol value less than 30, present in major amount,(B) thermoplastic resin particles having an average particle size by area of less than 10 .mu.m, and(C) an AB diblock copolymer charge director compound as defined. Optionally a colorant and charge adjuvant are present. The process of making the electrostatic liquid developer is described. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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5.发明授权Substituted carboxylic acids as adjuvants for positive electrostatic liquid developers 失效取代的羧酸作为正静电液体显影剂的佐剂
公开(公告)号：US5002848A
公开(公告)日：1991-03-26
申请号：US408222
申请日：1989-09-05
CPC分类号： G03G9/135
摘要： A positive-working electrostatic liquid developer consisting essentially of (A) a nonpolar liquid having a Kauri-butanol value of less than 30, present in major amount, (B) thermoplastic resin particles, less than 10 .mu.m average by area particle size, (C) a nonpolar liquid soluble ionic or zwitterionic charge director compound, and (D) a substituted carboxylic acid or salt adjuvant as defined. Component (D) can be present in liquid (A) or dispersed in the resin particles. The process of preparation of the electrostatic liquid developer is described. The liquid developers are useful in copying, color proofing including digital color proofing, lithographic printing plates and resists.
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6.发明授权Inorganic metal salt as adjuvant for negative liquid electrostatic developers 失效无机金属盐作为阴性液体静电显影剂的佐剂
公开(公告)号：US4758494A
公开(公告)日：1988-07-19
申请号：US14710
申请日：1987-02-13
申请人： Lyla M. El-Sayed
发明人： Lyla M. El-Sayed
CPC分类号： G03G9/1355 , G03G9/135
摘要： Negative, liquid electrostatic developer consisting essentially of(A) nonpolar liquid having Kauri-butanol value less than 30, present in major amount,(B) thermoplastic resin particles having a colorant and an inorganic metal salt as defined dispersed therein and average particle size by area being less than 10 .mu.m, and(C) nonpolar liquid soluble ionic or zwitterionic compound which imparts a negative charge to the thermoplastic resin particles.Optionally additional adjuvants are present. The liquid electrostatic developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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7.发明授权Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers 失效有机含硫化合物作为正静电液体显影剂的佐剂
公开(公告)号：US4917985A
公开(公告)日：1990-04-17
申请号：US292291
申请日：1988-12-30
申请人： Lyla M. El-Sayed , Torence J. Trout
发明人： Lyla M. El-Sayed , Torence J. Trout
CPC分类号： G03G9/1355 , G03G9/135
摘要： Positive electrostatic liquid developer consisting essentially of(A) nonpolar liquid having Kauri-butanol value less than 30, present in major amount,(B) thermoplastic resin particles having an organic sulfur-containing compound which is substantially insoluble in the nonpolar liquid at ambient temperatures, as defined dispersed therein and average particle size by area being less than 10 .mu.m, and(C) nonpolar liquid soluble ionic or zwitterionic charge director compound. Optionally a colorant and charge adjuvant are present. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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公开(公告)号：US4985329A
公开(公告)日：1991-01-15
申请号：US292573
申请日：1988-12-30
IPC分类号： G03G9/12
CPC分类号： G03G9/12
摘要： Bipolar liquid electrostatic developer consisting essentially of at least one charge director in a nonpolar liquid having dispersed therein two toner particles having opposite charge polarity which comprise at least one thermoplastic copolymer resin. The particle average by area size is less than 10 .mu.m. The ratio of the two toner particles is 5 to 95 and 95 to 5. A process of simultaneous transfer of such developer is included. The developer is useful in copying.
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9.发明授权Alkylhydroxy benzylpolyamine as adjuvant for electrostatic liquid developers 失效烷基羟基苄基多胺作为静电液体显影剂的佐剂
公开(公告)号：US4977056A
公开(公告)日：1990-12-11
申请号：US83185
申请日：1987-08-10
申请人： Lyla M. El-Sayed
发明人： Lyla M. El-Sayed
CPC分类号： G03G9/1355 , G03G9/135
摘要： An electrostatic liquid developer consisting essentially of(A) nonpolar liquid having a Kauri-butanol value of less than 30, present in a major amount,(B) thermoplastic resin particles having an average by area particle size of less than 10 .mu.m,(C) nonpolar liquid soluble ionic, nonionic, or zwitterionic compound, and(D) alkylhydroxybenzylpolyamine as define herein, being operably soluble in component (A) above.Optionally colorant, adjuvants, etc., are present. The liquid electrostatic developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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公开(公告)号：US4935328A
公开(公告)日：1990-06-19
申请号：US178962
申请日：1988-04-07
CPC分类号： G03G9/135 , Y10S430/105 , Y10S524/901
摘要： Electrostatic liquid developer having improved negative charging characteristics consisting essentially of(A) nonpolar liquid having a Kauri-butanol value of less than 30, present in a major amount,(B) thermoplastic resin particles having an average by area particle size of less than 10 .mu.m,(C) charge director compound, and(D) at least one soluble solid or liquid organic monofunctional amine compound of the formula: R.sub.n NH.sub.3-n wherein R is alkyl, cycloalkyl or alkylene, or substituted alkyl, the alkyl, cycloalkyl, alkylene or substituted alkyl group being of 1 to 50 carbon atoms, and n is an integer of 1 to 3.Optionally, a colorant, e.g., a pigment; metallic soap, adjuvant can be present. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.
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