Patents Represented by Attorney Sidney Persley
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Patent number: 7060835Abstract: A process for preparing transparent Pigment Yellow 138 by grinding Pigment Yellow 138 in the presence of a grinding agent, preparing an aqueous slurry of the ground particles, and filtering the slurry resulting in a filter cake containing particles of transparent Pigment Yellow 138. In addition, a process for improving color strength of an ink and/or plastic composition is also disclosed by adding transparent Pigment Yellow 138 to the composition.Type: GrantFiled: December 31, 2003Date of Patent: June 13, 2006Assignee: Sun Chemical CorporationInventors: Norman W. Smith, Russell J. Schwartz, Kimberly A. Clark, Terence R. Chamberlain
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Patent number: 7037953Abstract: A method for producing a solvent resistant, low-extractable, film from an actinic radiation curable homogenous aqueous composition containing a water soluble compound, having at least one alpha, beta-ethylenically unsaturated radiation polymerizable double bond, and water as essential components.Type: GrantFiled: December 27, 2002Date of Patent: May 2, 2006Assignee: Sun Chemical CorporationInventors: Subhankar Chatterjee, Mikhail Laksin, David Biro, Jean Dominique Turgis
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Patent number: 7034960Abstract: A system which enables electronic communication, coordination and dissemination of color-related designs, specifications and products. Color production and maintenance in a simultaneous fashion is provided between a plurality of disparate parties in substantially “real time.” The present integrated color-production is capable of importing electronic output from many diverse instruments, including color production-related hardware and software, and further uses the output to automatically deliver product data to and from a plurality of geographically disbursed parties. The present invention also provides an electronic library comprising colors and textures to be used for accurately matching a color sample and/or specification. The integrated, on-line color-related production system of the present invention enables parties to operate at peak efficiency, producing high sales and customer satisfaction.Type: GrantFiled: August 16, 2001Date of Patent: April 25, 2006Assignee: Sun Chemical CorporationInventors: Gordon Robert Stone, James Christopher Putney, Danny C. Rich, Stephen Roderick Postle
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Patent number: 7019121Abstract: A process for conditioning azo pigment with surfactants of ethoxylate alkyl phenols in the presence of a strong alkali in the aqueous condition.Type: GrantFiled: December 31, 2003Date of Patent: March 28, 2006Assignee: Sun Chemical CorporationInventors: Edward H. Sung, George H. Robertson, Humberto A. Velasquez
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Patent number: 7018453Abstract: A web offset heatset printing ink composition having less than about 2 wt. % of volatile organic compounds containing an aqueous polymer latex dispersed in an ink base of a resin, a non-volatile plasticizer, and a pigment and method for preparing same.Type: GrantFiled: December 31, 2003Date of Patent: March 28, 2006Assignee: Sun Chemical CorporationInventors: David Klein, Gary F. Dandreaux, Richard R. Durand, Jr., Thierry Frinault, Kenneth Smith
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Patent number: 7001981Abstract: A method of acrylating a resin containing one or more hydroxyl functional group and derived from a natural product, comprising preparing a mixture of a hydroxyalkyl acrylate and an isocyanate; and reacting said mixture with said resin.Type: GrantFiled: April 25, 2003Date of Patent: February 21, 2006Assignee: Sun Chemical CorporationInventor: Kai-Uwe Gaudl
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Patent number: 6972333Abstract: A process for by oxidizing a quinacridone in a liquid medium with a non-metal oxidant producing a quinacridonequinone.Type: GrantFiled: January 14, 2004Date of Patent: December 6, 2005Assignee: Sun Chemical CorporationInventors: Edward H. Sung, James Z. Dong, George H. Robertson
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Patent number: 6965019Abstract: Mono- and Bis-Azo/Hydrazone Pyrrole Pigments and Methods for preparing same.Type: GrantFiled: April 3, 2001Date of Patent: November 15, 2005Assignee: Sun Chemical CorporationInventors: Terence Chamberlain, Norman W. Smith, Donald T. DeRussy
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Patent number: 6926768Abstract: A pigment's etheramine sulfonic acid salt is described. Also described is a method for enhancing the performance of a pigment composition containing an organic pigment, comprising enhancing the dispersion of said pigment by adding to 100 parts of said pigment about 1 to 40 parts of a pigment's etheramine sulfonic acid salt.Type: GrantFiled: April 14, 2003Date of Patent: August 9, 2005Assignee: Sun Chemical CorporationInventors: Kevin A. Arthur, George H. Robertson, George McLaren, Stanislav G. Vilner, Ronald R. Forbes
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Patent number: 6858656Abstract: Active water compatible actinic radiation curable printing ink or coating compositions comprised of maleimide derivatives, water compatible resins and water, which are capable of curing at a practical intensity and energy level and a method for curing same.Type: GrantFiled: August 27, 2003Date of Patent: February 22, 2005Assignee: Sun Chemical CorporationInventors: David Anthony Biro, Mikhail Laksin, Yoshinobu Sakurai, Hisatomo Yonehara, Katsuji Takahashi
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Patent number: 6849668Abstract: A multi-functional photoinitiator of formula (I) R1m—Q—(A1—PI)n??(I) wherein Q is a heteroatom selected from Si, Ti, Zr and Sn or any two independently selected such heteroatoms linked by a covalent bond or a by C1-16 (preferably C1-9) alkylene group, n is at least 2 and n+m=the functionality of Q, each R1 is the same or different and is a non-photoinitiator group; each group PI is the same or different and is a photoinitiator group. Each —A1— is the same or different and is selected from linking groups of formula —(A2)p—Z— wherein p has an average of from 1 to 10, preferably from 3 to 5 and the groups —A2— are either (a) each independently selected from C2-4 alkyleneoxy groups; or (b) each independently selected from groups of formula —O—(CH2)qCO— wherein q is from 3 to 5, and Z is selected from —O—, —S— and —NR6— where R6 is C1-6 alkyl.Type: GrantFiled: August 4, 2000Date of Patent: February 1, 2005Assignee: Sun Chemical CorporationInventors: Roger Edward Burrows, Shaun Lawrence Herlihy, Derek Ronald Illsley
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Patent number: 6841590Abstract: Solid, solvent-free inks are provided for use in hot melt flexographic printing. The ink is composed of a pigment; a thermoplastic binder which is an ethylene copolymer, a hydrocarbon resin, or a combination thereof; a wax which is a highly branched hydrocarbon wax, a polyethylene homopolymer wax, an oxidized polyethylene wax, an animal wax, a vegetable wax or combinations thereof; a solid linear alcohol; and, a dispersing agent. The ink may also contain a solid plasticizer. The solid ink has a melting point of about 75° C. or greater, and when heated to a temperature between about 90° C. and about 135° C., a molten ink is formed which has a viscosity between about 100 cps and about 1200 cps. The solid inks are used in melt flexographic printing by heating the ink to a temperature greater than about 90° C.Type: GrantFiled: December 28, 2001Date of Patent: January 11, 2005Assignee: Sun Chemical CorporationInventors: Jitendra Modi, Edward Stone, Ana Marie Flores, Robert Catena, Robert Auerbach
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Patent number: 6835758Abstract: A method for curing an active single phase water compatible actinic radiation curable composition, comprising: irradiating a water compatible non emulsion, non dispersing compound, water, and a maleimide derivative.Type: GrantFiled: August 27, 2003Date of Patent: December 28, 2004Assignee: Sun Chemical CorporationInventors: David Anthony Biro, Mikhail Laksin, Yoshinobu Sakurai, Hisatomo Yonehara, Katsuji Takahashi
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Patent number: 6815474Abstract: The invention relates to a water-based intaglio printing ink especially suited for the intaglio printing of security documents, such as postage stamps, stock certificates and the like, wherein the water-based intaglio printing ink having a) an epoxy resin ester reacted with an unsaturated monobasic acid and a reactive monomer, b) a glycol and/or glycol ether c) a pigment, d) a monoalkanolamine, e) a drier and f) water.Type: GrantFiled: September 24, 2001Date of Patent: November 9, 2004Assignee: Sun Chemical CorporationInventors: Joseph Malanga, Solomon J. Nachfolger
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Patent number: 6803112Abstract: A method for producing a low-extractable film packaging from an actinic radiation curable aqueous composition containing a water soluble compound having at least one &agr;, &bgr;-ethylenically unsaturated, radiation polymerizable group and water as essential components carried out by applying the aqueous composition to a surface which is then irradiated in a single step with actinic radiation in the presence of the water thereby forming a cured film wherein less than 50 ppb of the water soluble compound or its residual components are extractable by a food simulant.Type: GrantFiled: March 29, 2000Date of Patent: October 12, 2004Assignee: Sun Chemical CorporationInventors: Subhankar Chatterjee, Mikhail Laksin, David Biro, Jean Dominique Turgis
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Patent number: 6786965Abstract: An aqueous organic pigment dispersion used to integrally color concrete and other building materials which includes: alkali metal silica particles as a binder; organic pigment; water; and dispersing agent in an amount effective to disperse the organic pigment and the binder in the water. A method for preparing the aqueous organic pigment dispersion includes (i) mixing, at 3,000 to 10,000 rpm, alkali metal silica particles; organic pigment; and dispersing agent, thereby forming a dispersion premix; (ii) milling the dispersion precursor in a mixer filled with glass beads for a period of time sufficient to reduce the particle size of the organic pigment to about 100 to about 300 nanometers, thereby forming a non-standardized dispersion; and (iii) standardizing the dispersion against a color standard by adding water.Type: GrantFiled: September 9, 2002Date of Patent: September 7, 2004Assignee: Sun Chemical CorporationInventors: Charles W. Perry, Donald C. Dulaney, James Moore
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Patent number: 6772683Abstract: The present invention is for a method and associated apparatus whereby low viscosity flexograhic printing inks having a viscosity controlling diluent are used in implementing wet trapping of sequentially applied ink layers by controlling the time between ink layer applications such that sufficient diluent evaporates from an applied layer to increase the first applied layer viscosity sufficiently to wet trap a subsequently applied superposed ink layer.Type: GrantFiled: February 19, 2002Date of Patent: August 10, 2004Assignee: Sun Chemical CorporationInventors: Mikhail Laksin, Subhankar Chatterjee, Volker Linzer
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Patent number: 6767397Abstract: Disclosed is a process for the preparation of a pigment dispersion starting with a tank flushed pigment that is continuously fed into a twin screw extruder, washed and dried by vacuum to get a desirable product.Type: GrantFiled: April 5, 2002Date of Patent: July 27, 2004Assignee: Sun Chemical CorporationInventors: Kalpathy R. Anantharaman, Michael L. Lewis, Pat Galioto
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Patent number: 6765040Abstract: The present invention relates an improved silicone modified water-based emulsion used primarily for publication gravure ink. Publication gravure water-based ink produced with the new polymer exhibits superior paper holdout, smoother lay, and higher gloss on super calendered and uncoated paper substrates as compared to conventional water-based gravure inks.Type: GrantFiled: October 25, 2001Date of Patent: July 20, 2004Assignee: Sun Chemical CorporationInventors: Ramasamy Krishnan, Robert Catena, Selcuk Avci
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Patent number: 6727295Abstract: Solvent-free, energy curable low viscosity gravure and non-conductive ink jet inks which contain a pigment; a rheological additive having the structure P—(U—Y)s, wherein P is the residue of an organic pigment or dye, Y is a polyalkylene oxide moiety, U is a linking moiety covalently bonding Y to P and s is an integer from 1 to 3; and an energy curable liquid vehicle which may be a cationic, thermal cationic or a free radical initiated polymerization system, cured by actinic radiation; and optionally containing a photoinitiating system.Type: GrantFiled: February 27, 2001Date of Patent: April 27, 2004Assignee: Sun Chemical CorporationInventors: Mikhail Laksin, Subhankar Chatterjee, Russell J. Schwartz, Paul A. Merchak, Patrice Aurenty, Edward Stone, Gordon Kotora