Patents Assigned to Fujifilm Imaging Colorants Limited
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Publication number: 20180305863Abstract: A process for printing on a textile substrate comprising the steps of: (I) preparing an ink comprising the following components: (a) from 1 to 8 parts of a self-dispersible pigment which comprises a carboxy-functional dispersant crosslinked around a pigment core by a crosslinking agent having at least two groups selected from oxetane, carbodiimide, hydrazide, oxazoline, aziridine, isocyanate, N-methylol, keteneimine, isocyanurate and epoxy groups; (b) from 0 to 16 parts of a binder selected from one or more of an acrylic latex binder, a styrene acrylic latex binder and a styrene butadiene latex binder wherein the binder has a Tg in the range of from ?25° C. to 35° C.; (c) from 1 to 30 parts of one or more water-miscible organic solvents (d) from 0.1 to 3 parts of a surfactant; (e) from 0 to 5 parts of biocide; (f) from 0 to 10 parts of a viscosity modifier; (g) from 0 to 10 parts of a polyurethane latex binder with a Tg in the range of from ?25° C. to 35° C.Type: ApplicationFiled: October 14, 2016Publication date: October 25, 2018Applicants: Fujifilm Imaging Colorants, Inc., Fujifilm Imaging Colorants LimitedInventors: Emmanuel Dimotakis, Keith Delaney, Christopher Oriakhi, Philip John Double, Ravi Shankar, Hamid Shirazi, Eda Wilson
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Patent number: 9777174Abstract: A process for preparing a dispersion comprising the stages: i) providing a dispersion comprising a particulate solid, a liquid medium and a dispersant having cross-linkable groups and a weight averaged molecular weight of from 1,000 to 70,000; and ii) cross-linking the dispersant in the presence of the particulate solid and the liquid medium thereby preparing a dispersion of an encapsulated particulate solid, wherein the cross-linking is performed such that 0.01 to 0.5 mmoles of cross-linkable groups in the dispersant are cross-linked per g of dispersant; said process also comprising at any stage: iii) adding a metal chelating agent to the dispersion; and after stage iii) the stage of: iv) removing at least some of the metal chelating agent from the dispersion.Type: GrantFiled: September 26, 2012Date of Patent: October 3, 2017Assignee: Fujifilm Imaging Colorants LimitedInventors: Richard Cordwell, Gordon Ellis, Owen Lozman, Neil Tallant
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Patent number: 9441121Abstract: A process for the preparation of a dispersion, comprising: dispersing a composition comprising a particulate solid, a liquid medium and a dispersant; wherein the dispersant is obtained by a process comprising at least the steps a) and b): a) co-polymerising a monomer composition comprising at least the components i) and ii) so as to form a phospho-ester functional polymer: i) a monomer having at least one phospho-ester group and two groups independently selected from hydroxyl, amino, thiol and hydrazo groups, ii) a diisocyanate; and b) hydrolysing at least some of the phospho-ester groups in the phospho-ester functional polymer so as to result in a dispersant having phosphorus containing anionic groups.Type: GrantFiled: September 25, 2012Date of Patent: September 13, 2016Assignee: Fujifilm Imaging Colorants LimitedInventor: Gavin Wright
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Patent number: 9434808Abstract: A process for preparing a polymer comprising reacting at least the components i), ii) and optionally iii) to form a pre-polymer: i) a compound of the Formula (1); wherein: T1 and T2 are each independently HO—, HS— or HNR1—; Q1 and Q2 independently are —NR2—; A1 and A2 independently are an optionally substituted divalent organic linking group; Z is a halogen; R1 when present is H or an optionally substituted alkyl, aryl or heterocyclyl group; R2 is H or an optionally substituted alkyl, aryl or heterocyclyl group; ii) a diisocyanate; iii) optionally an isocyanate reactive compound; and then reacting the pre-polymer with at least component iv): iv) one or more compounds selected from an organic amine, alcohol or thiol provided that at least one of the organic compounds in component iv) has at least one ionic group.Type: GrantFiled: July 2, 2012Date of Patent: September 6, 2016Assignee: Fujifilm Imaging Colorants LimitedInventor: Gavin Wright
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Patent number: 9267044Abstract: A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerizing the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or more hydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth) acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and ?wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.Type: GrantFiled: May 7, 2015Date of Patent: February 23, 2016Assignee: Fujifilm Imaging Colorants LimitedInventors: Tom Annable, Mark Holbrook, Neil Anthony Tallant, John Patrick O'Donnell
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Patent number: 9127184Abstract: A polymeric dispersant obtained or obtainable by copolymerizing a monomer composition comprising at least the components: i) benzyl (meth)acrylate; ii) propylene glycol (meth)acrylate; wherein the weight ratio of component i) to component ii) is greater than 10:1.Type: GrantFiled: April 2, 2013Date of Patent: September 8, 2015Assignee: Fujifilm Imaging Colorants LimitedInventors: Mark Holbrook, Alison Sherwin, Richard Williams
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Publication number: 20150240095Abstract: A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerising the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or more hydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth) acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and ?wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.Type: ApplicationFiled: May 7, 2015Publication date: August 27, 2015Applicant: Fujifilm Imaging Colorants LimitedInventors: Tom ANNABLE, Mark HOLBROOK, Neil Anthony TALLANT, John Patrick O'DONNELL
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Patent number: 9068092Abstract: A process for preparing a polymer comprising reacting at least the components i) to iii) in any order: i) a compound of the Formula (1): Formula (1) wherein: T1 and T2 independently are HO—, HS— or R1HN—; Q1 and Q2 independently are —NR2—; A1 and A2 independently are an optionally substituted divalent organic linking group; R1 when present is H or an optionally substituted alkyl, aryl or heterocyclyl group; R2 is H or an optionally substituted alkyl, aryl or heterocyclyl group; Z is an HO— group or a group of the Formula (2) or (3); Formula (2) wherein: L is —HN—, —O— or —S—; X is an optionally substituted organic group; Formula (3) wherein: each X independently is an optionally substituted organic group; in both Formulae (2) and (3) the asterisk (*) signifies the point of attachment to the triazine ring: ii) a diisocyanate; iii) an isocyanate reactive compound having at least one ionic group.Type: GrantFiled: July 2, 2012Date of Patent: June 30, 2015Assignee: Fujifilm Imaging Colorants LimitedInventor: Gavin Wright
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Patent number: 9040620Abstract: A process for preparing an encapsulated pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion comprising a pigment, a liquid medium and a dispersant comprising the repeat units from copolymerizing the ethylenically unsaturated monomers in components a) to c): a) from 75 to 97 parts of one or more hydrophobic ethylenically unsaturated monomers comprising at least 50 parts benzyl (meth)acrylate; b) from 3 to 25 parts one or more hydrophilic ethylenically unsaturated monomers having one or more ionic group(s); c) from 0 to 2 parts of one or more hydrophilic ethylenically unsaturated monomers having a hydrophilic non-ionic group; and wherein the parts are by weight and the sum of the parts a) to c) add up to 100; II) cross-linking the dispersant in the presence of the pigment and the liquid medium.Type: GrantFiled: October 1, 2009Date of Patent: May 26, 2015Assignee: Fujifilm Imaging Colorant LimitedInventors: Tom Annable, Mark Holbrook, Neil Anthony Tallant, John Patrick O'Donnell
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Publication number: 20150132545Abstract: A process for preparing an encapsulated particulate solid using an epoxy functional cross-linking agent and a carboxylic acid functional dispersant wherein the cross-linking agent has one or more oligomeric dispersing group and/or the dispersant has an acid value of at least 125 mg KOH/g. The resultant solids are useful in, for example, ink jet printing inks.Type: ApplicationFiled: May 6, 2014Publication date: May 14, 2015Applicant: Fujifilm Imaging Colorants LimitedInventors: John Patrick O'Donnell, Nicola Fiona Parrott, Tom Annable
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Patent number: 9018301Abstract: A process for preparing an aqueous pigment dispersion suitable for use in an ink jet printing ink comprising the following steps in the order I) followed by II): I) providing a dispersion having a sodium chloride critical coagulation concentration of no more than 2.0M, said dispersion comprising a pigment, an aqueous liquid medium and a dispersant having one or more ionic group(s); and II) reducing the hydrophilicity of the dispersant by reacting at least some, but not all of the ionic group(s) in the dispersant with the one or more hydrophobic compound(s).Type: GrantFiled: October 1, 2009Date of Patent: April 28, 2015Assignee: Fujifilm Imaging Colorants LimitedInventors: Tom Annable, John Patrick O'Donnell
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Patent number: 8927624Abstract: A process for preparing a dispersion of encapsulated solid particles in a liquid medium is described, which includes providing a dispersion comprising solid particles, a liquid medium and a polymer comprising at least one repeat unit of the Formula (1) or a salt thereof: and cross-linking the polymer, wherein X, Q1, Q2, Q3, A and m are as defined.Type: GrantFiled: May 12, 2011Date of Patent: January 6, 2015Assignee: Fujifilm Imaging Colorants LimitedInventors: Neil Anthony Tallant, Neil James Thompson
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Patent number: 8901239Abstract: According to a first aspect of the present invention there is provided a process for preparing a particulate solid comprising the steps i) to iv): i) providing a dispersion of polymer particles in a liquid medium, said polymer being obtained or obtainable by the copolymerization of at least the monomers in components a) to d): a) 45 to 90 parts of one of more hydrocarbyl (meth) acrylates each having a homopolymer Tg of from 90 to 130° C. and having no hydrophilic groups; b) 10 to 55 parts of one or more ethylenically unsaturated monomers each having homopolymer Tg of below 90° C. and having no hydrophilic groups; c) 0 to 40 parts of one or more styrenic monomers having a homopolymer Tg of at least 90° C.Type: GrantFiled: October 28, 2011Date of Patent: December 2, 2014Assignee: Fujifilm Imaging Colorants LimitedInventors: Daniel Morris, Martin Edwards
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Publication number: 20140309364Abstract: A process for preparing a polymer comprising reacting at least the components i), ii) and optionally iii) to form a pre-polymer: i) a compound of the Formula (1); wherein: T1 and T2 are each independently HO—, HS— or HNR1—; Q1 and Q2 independently are —NR2—; A1 and A2 independently are an optionally substituted divalent organic linking group; Z is a halogen; R1 when present is H or an optionally substituted alkyl, aryl or heterocyclyl group; R2 is H or an optionally substituted alkyl, aryl or heterocyclyl group; ii) a diisocyanate; iii) optionally an isocyanate reactive compound; and then reacting the pre-polymer with at least component iv): iv) one or more compounds selected from an organic amine, alcohol or thiol provided that at least one of the organic compounds in component iv) has at least one ionic group.Type: ApplicationFiled: July 2, 2012Publication date: October 16, 2014Applicant: FUJIFILM IMAGING COLORANTS LIMITEDInventor: Gavin Wright
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Patent number: 8845086Abstract: A process for ink jet printing an image on a substrate is described, which includes applying to the substrate a composition including a liquid medium, a pigment and a polymer having a chain of the Formula (1) or a salt thereof: wherein X, Q1, Q2, Q3, A, m and n are as defined, and the polymer having a chain of Formula (1) or salt thereof is used to comminute the pigment.Type: GrantFiled: May 12, 2011Date of Patent: September 30, 2014Assignee: Fujifilm Imaging Colorants LimitedInventors: Neil Anthony Tallant, Neil James Thompson
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Publication number: 20140267513Abstract: A process for preparing a polymer comprising reacting at least the components i) to iii) in any order: i) a compound of the Formula (1): Formula (1) wherein: T1 and T2 independently are HO—, HS— or R1HN—; Q1 and Q2 independently are —NR2—; A1 and A2 independently are an optionally substituted divalent organic linking group; R1 when present is H or an optionally substituted alkyl, aryl or heterocyclyl group; R2 is H or an optionally substituted alkyl, aryl or heterocyclyl group; Z is an HO— group or a group of the Formula (2) or (3); Formula (2) wherein: L is —HN—, —O— or —S—; X is an optionally substituted organic group; Formula (3) wherein: each X independently is an optionally substituted organic group; in both Formulae (2) and (3) the asterisk (*) signifies the point of attachment to the triazine ring: ii) a diisocyanate; iii) an isocyanate reactive compound having at least one ionic group.Type: ApplicationFiled: July 2, 2012Publication date: September 18, 2014Applicant: FUJIFILM IMAGING COLORANTS LIMITEDInventor: Gavin Wright
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Publication number: 20140248560Abstract: A process for preparing a particulate solid is described, which comprises the steps of a) aggregating a dispersion comprising the particles i) and ii) and a liquid medium, wherein i) is 25 to 50 parts by weight of non-polymeric particles having an average particle size of from 1 to 10 microns and having a density of no more than 4 g/cm3; and ii) is 50 to 75 parts by weight of polymer particles having an average particle size of from 50 to 150 nm; b) optionally stabilising the aggregated particles; and c) heating the aggregated particles so as to cause particle coalescence.Type: ApplicationFiled: September 25, 2012Publication date: September 4, 2014Applicant: FUJIFILM IMAGING COLORANTS LIMITEDInventors: Martin Edwards, Daniel Morris, Miguel Rodriguez-Vazquez
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Patent number: 8764177Abstract: A process for printing an image on a substrate comprising the steps of: (a) applying an ink comprising polymer-encapsulated pigment particles and an aqueous medium to a substrate by means of an ink jet printer, wherein (i) the said particles are dispersed in the aqueous medium, and (ii) the said particles comprise a carboxy-functional dispersant crosslinked around a pigment core by a first crosslinking agent; and (b) crosslinking the polymer-encapsulated pigment particles with a second crosslinking agent. The process is particularly useful for printing polymeric substrates which come into contact with rubbing and/or moisture.Type: GrantFiled: October 27, 2010Date of Patent: July 1, 2014Assignee: Fujifilm Imaging Colorants LimitedInventors: Tom Annable, John Mayall
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Patent number: 8740372Abstract: A process for preparing a dispersion of encapsulated solid particles in a predominantly organic liquid vehicle, comprising the following steps: i) providing a dispersion comprising a particulate solid, a liquid medium and a polymeric dispersant having at least 3.0 mmoles of reactive groups per g of dispersant; ii) cross-linking the polymeric dispersant via at least some, but not all, of the reactive groups, said cross-linking being performed in the presence of the particulate solid and the liquid medium and resulting in the encapsulation of each solid particle with a cross-linked polymeric dispersant shell; iii) covalently bonding an end-capping agent to the polymeric dispersant via the reactive groups; said process being such that the final organic liquid vehicle comprises one or more organic liquids and optionally water, provided that water is present at no more than 30% by weight based on the dispersion.Type: GrantFiled: November 8, 2011Date of Patent: June 3, 2014Assignee: Fujifilm Imaging Colorants LimitedInventors: Owen Roger Lozman, Thomas Paul, Christopher John Potter
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Publication number: 20140085374Abstract: A process for printing an ink onto a substrate wherein: the ink comprises an encapsulated particulate solid and a liquid vehicle; the encapsulated particulate solid comprises a particulate solid encapsulated with a cross-linked dispersant shell; and the ink is printed onto a substrate which is or comprises corrugated paper.Type: ApplicationFiled: May 8, 2012Publication date: March 27, 2014Applicant: FUJIFILM IMAGING COLORANTS LIMITEDInventors: Janette Cordwell, Marie Holmes, Philip Double, Ajay Popat