Patents by Inventor Leslie Shuttleworth
Leslie Shuttleworth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6605653Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading said printer with ink-receptive elements comprising a support having thereon a porous ink-receptive layer; C) loading said printer with an ink jet ink composition comprising water, a humectant, and a water-dispersible polymeric latex having contained therein a delocalized cationic azo dye derived from the quaternization of a nitrogen heterocyclic azo dye having the following formula: and D) printing on an ink-receptive substrate using said ink jet ink in response to said digital data signals.Type: GrantFiled: August 22, 2000Date of Patent: August 12, 2003Assignee: Eastman Kodak CompanyInventors: Huijuan Chen, Leslie Shuttleworth
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Patent number: 6534566Abstract: An ink jet ink composition comprising water, a humectant, and a water-dispersible polymeric latex having contained therein a delocalized cationic azo dye having the following formula:Type: GrantFiled: August 22, 2000Date of Patent: March 18, 2003Assignee: Eastman Kodak CompanyInventors: Huijuan Chen, Leslie Shuttleworth
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Patent number: 6523950Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink-receptive elements comprising a support having thereon an image-receiving layer comprising a mixture of an anionic polymer and a hydrophilic polymer; C) loading the printer with an ink jet ink composition comprising water, a humectant, and a delocalized cationic azo dye derived from the quaternization of a nitrogen heterocyclic azo dye; and D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.Type: GrantFiled: November 21, 2000Date of Patent: February 25, 2003Assignee: Eastman Kodak CompanyInventors: Kristine B. Lawrence, Leslie Shuttleworth
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Patent number: 6419354Abstract: An ink jet printing method, including the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with ink-receptive elements, including a support having thereon a porous ink-receptive layer; C) loading the printer with an ink jet ink composition including: water, a humectant, and a delocalized cationic azo dye derived from the quaternization of a nitrogen heterocyclic azo dye having the following formula: D) printing on an ink-receptive substrate using the ink jet ink in response to the digital data signals.Type: GrantFiled: August 22, 2000Date of Patent: July 16, 2002Assignee: Eastman Kodak CompanyInventors: Helmut Weber, Leslie Shuttleworth
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Patent number: 6096493Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a certain magenta dye forming coupler and a light-sensitive silver halide emulsion layer having associated therewith a certain yellow dye-forming coupler. The element exhibits improved dye fade and equal or better red color gamut than that obtained using comparisons.Type: GrantFiled: August 14, 1998Date of Patent: August 1, 2000Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Rakesh Jain, John W. Harder
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Patent number: 6071684Abstract: Disclosed is a photographic element comprising a support on which is coated at least one layer containing a light sensitive silver halide emulsion having associated therewith a dye-forming coupler of Formula (1a). wherein R.sub.1 is an alkyl group of not more than 8 carbon atoms; R.sub.5, R.sub.6, R.sub.7, and R.sub.8 each independently represent a hydrogen atom or a substituent; and A is an alkylene group. The element has improved post-process keeping.Type: GrantFiled: August 14, 1998Date of Patent: June 6, 2000Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Rakesh Jain, Stanley W. Cowan
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Patent number: 6037113Abstract: Disclosed is a photographic element comprising a light sensitive silver halide emulsion layer having in association therewith at least one dye- forming coupler of Formula (1a): ##STR1## wherein: R.sub.1 is an alpha-branched alkyl group with greater than 10 carbon atoms;R.sub.5, R.sub.6, R.sub.7, and R.sub.8 are each independently a hydrogen atom or a substituent;Z is a hydrogen atom or a group which can be split off by the reaction of the coupler with an oxidized color developing agent.The element exhibits improved dye light stability.Type: GrantFiled: August 14, 1998Date of Patent: March 14, 2000Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Rakesh Jain, John W. Harder
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Patent number: 6030760Abstract: The disclosure describes a photographic element comprising a support on which is coated at least one green-sensitized silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler of Formula (1a) and at least one compound of Formula (2) ##STR1## wherein: R.sub.1 is an alkyl group;R.sub.5, R.sub.6, R.sub.7, and R.sub.8 each independently represent a hydrogen atom or a substituent;Z is a hydrogen atom or a group that can be split off by the reaction of the coupler with an oxidized color-developing agent; ##STR2## wherein: Z.sub.1 and Z.sub.2 are alkylene groups of 1-3 carbon atoms;R is an aryl or heterocyclic group, andq is 1 or 2.Type: GrantFiled: August 14, 1998Date of Patent: February 29, 2000Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Michael W. Crawley, Stanley W. Cowan
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Patent number: 5994048Abstract: Disclosed is a photographic element comprising a support on which is coated at least one green-sensitized silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler of Formula I ##STR1## wherein: R.sub.1 is an alkyl group;R.sub.5, R.sub.6, R.sub.7, and R.sub.8 each independently represent a hydrogen atom or a substituent; and ##STR2## in which i, B, and J are independently hydrogen, alkyl or aryl substituent groups that together comprise at least two hydroxyl groups. The element provides improved resistance to yellowing.Type: GrantFiled: August 14, 1998Date of Patent: November 30, 1999Assignee: Eastman Kodak CompanyInventors: John W. Harder, Leslie Shuttleworth, Rakesh Jain
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Patent number: 5750323Abstract: Solid particle dispersions of compounds useful in imaging elements can be made with substantially improved stability to particle growth by dispersing the compound of interest in the presence of a relatively small amount of a second compound that is structurally similar to the compound of interest. This second compound is combined with the compound of interest prior to dispersing the compound of interest, i.e., prior to milling in the case of milled dispersions, and prior to precipitation in the case of pH or solvent precipitated dispersions. While being distinct, the second compound has a similar chemical structure to the main compound.Type: GrantFiled: August 15, 1996Date of Patent: May 12, 1998Assignee: Eastman Kodak CompanyInventors: Raymond Peter Scaringe, David Darrell Miller, Mary Christine Brick, Leslie Shuttleworth, Margaret Jones Helber, Steven Evans
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Patent number: 5547727Abstract: An optical recording element having a transparent substrate and on the surface of said substrate, a recording layer and a light reflecting layer wherein recording layer comprises a dye selected from the group consisting of cationic azocyanine dyes and mixtures of such dyes and the unrecorded layer is such that the real part of the refractive index (N) at 780 nm is at least 1.8 and the imaginary part (k) is 0.01 to 0.15.Type: GrantFiled: December 13, 1994Date of Patent: August 20, 1996Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Charles H. Weidner, Michael P. Cunningham
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Patent number: 5534479Abstract: A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N-H group which is part of a conjugated system, and(b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer containing an organic acid which is capable of reprotonating the deprotonated cationic dye.Type: GrantFiled: June 6, 1995Date of Patent: July 9, 1996Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Wayne A. Bowman, Helmut Weber
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Patent number: 5534478Abstract: A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a cationic dye or a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, and(b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the dye image-receiving layer, the dye image-receiving layer comprising a polyester ionomer comprising a polyester backbone containing units of a sulfonic acid or a sulfonimide or their salts, with the proviso that when the dye is a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, the dye image-receiving layer comprises a polyester ionomer comprising aType: GrantFiled: June 6, 1995Date of Patent: July 9, 1996Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Leslie Shuttleworth, Helmut Weber
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Patent number: 5523274Abstract: A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system, and(b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer containing an organic acid moiety as part of the polymer chain which is capable of reprotonating the deprotonated cationic dye, the polymeric dye image-receiving layer having a Tg of less than about 25.degree. C.Type: GrantFiled: June 6, 1995Date of Patent: June 4, 1996Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Wayne A. Bowman, Helmut Weber
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Patent number: 5488026Abstract: A thermal dye transfer assemblage comprising:(a) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N-H group which is part of a conjugated system, and(b) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer, the polymeric dye image-receiving layer containing a compound capable of generating an acid upon exposure to UV light, the acid being capable of reprotonating the deprotonated cationic dye.Type: GrantFiled: June 6, 1995Date of Patent: January 30, 1996Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Helmut Weber, Franklin D. Saeva
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Patent number: 5242889Abstract: A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern of colorants of an arylidene blue dye having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen, a substituted or unsubstituted alkyl group having from 1 to about 8 carbon atoms, a cycloalkyl group having from about 5 to about 8 carbon atoms, a substituted or unsubstituted alkenyl group having from about 2 to about 8 carbon atoms, or a substituted or unsubstituted aralkyl group having from about 7 to about 14 carbon atoms;R.sup.3 represents hydrogen, a substituted or unsubstituted alkyl or alkoxy group having from 1 to about 8 carbon atoms, halogen, or a fused aryl ring;or R.sup.2 and R.sup.3 may represent the elements which may be taken together to form a 5- or 6-membered heterocyclic ring;X represents hydrogen, fluorine, chlorine or bromine; andn is 1 to 4.Type: GrantFiled: November 24, 1992Date of Patent: September 7, 1993Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Helmut Weber
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Patent number: 5215957Abstract: A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern of colorants of a benz-cd-indole merocyanine blue dye having the formula: ##STR1## wherein: R represents hydrogen; a substituted or unsubstituted alkyl group having from 1 to about 8 carbon atoms; a substituted or unsubstituted alkenyl group having from about 2 to about 8 carbon atoms; or a substituted or unsubstituted aralkyl group having from about 7 to about 12 carbon atoms; andZ represents the atoms necessary to complete a 5- or 6-membered carbocyclic or heterocyclic ring.Type: GrantFiled: April 23, 1992Date of Patent: June 1, 1993Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Helmut Weber, Steven Evans
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Patent number: 5214186Abstract: A process for the preparation of arylidene dyes comprises the reaction of an aromatic amine with an enolate salt of a formylated active methylene compound in the presence of a sulfonyl halide compound. An enol sulfonate is postulated as a reactive intermediate in the reaction. The process gives high yields of products under mild reaction conditions and allows the use of aromatic groups containing substituents such as hydroxy that lead to side reactions and low product yields with previously known methods for making arylidene dyes.Type: GrantFiled: December 3, 1991Date of Patent: May 25, 1993Assignee: Eastman Kodak CompanyInventor: Leslie Shuttleworth
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Patent number: 5175069Abstract: A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern of colorants of a maleimide blue dye having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen; a substituted or unsubstituted alkyl group having from 1 to about 8 carbon atoms; a cycloalkyl group having from about 5 to about 8 carbon atoms; or a substituted or unsubstituted alkenyl group having from about 2 to about 8 carbon atoms;R.sup.1 and R.sup.2 may represent the elements which may be taken together to form a 5- or 6-membered heterocyclic ring;each Y independently represents hydrogen; a substituted or unsubstituted alkyl group having from 1 to about 8 carbon atoms; an alkoxy group OR.sup.Type: GrantFiled: June 14, 1991Date of Patent: December 29, 1992Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Helmut Weber
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Patent number: 5168094Abstract: A thermally-transferred color filter array element comprising a support having thereon a polymeric dye image-receiving layer containing a thermally-transferred image comprising a repeating pattern of colorants, one of the colorants being a mixture of a yellow dye and a cyan dye to form a green hue, said cyan dye having the formula: ##STR1## .Type: GrantFiled: April 30, 1991Date of Patent: December 1, 1992Assignee: Eastman Kodak CompanyInventors: Leslie Shuttleworth, Helmut Weber