Patents by Inventor Shari L. Eiff
Shari L. Eiff 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: 8728692Abstract: A surface decorated particle including a core particle phase having an outer surface; and fine inorganic particles on the outer surface of the core particle phase; wherein the fine inorganic particles have hydrophobic groups covalently bonded primarily on portions of surfaces of the fine inorganic particles positioned away from the core particle phase. Such surface decorated particles are obtainable by a method including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed hydrophobic phase particles with a hydrophobic group containing reactant to form hydrophobic groups covalently bonded to surfaces of the fine inorganic particles.Type: GrantFiled: July 30, 2010Date of Patent: May 20, 2014Assignee: Eastman Kodak CompanyInventors: Mridula Nair, David D. Putnam, Shari L. Eiff, Cumar Sreekumar
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Patent number: 8722304Abstract: A method for forming surface decorated particles including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed hydrophobic phase particles with a hydrophobic group containing reactant to form hydrophobic groups covalently bonded to surfaces of the fine inorganic particles. In a particular embodiment, the invention provides a limited coalescence process for preparing binder polymer particles using inorganic stabilizer particles that provide a plurality of surface bonding sites and reacting such sites with a plurality of alkoxy silane moieties that contains pendant hydrophobic groups.Type: GrantFiled: July 30, 2010Date of Patent: May 13, 2014Assignee: Eastman Kodak CompanyInventors: Mridula Nair, David D. Putnam, Shari L. Eiff, Cumar Sreekumar
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Publication number: 20120028185Abstract: A method for forming surface decorated particles including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed hydrophobic phase particles with a hydrophobic group containing reactant to form hydrophobic groups covalently bonded to surfaces of the fine inorganic particles. In a particular embodiment, the invention provides a limited coalescence process for preparing binder polymer particles using inorganic stabilizer particles that provide a plurality of surface bonding sites and reacting such sites with a plurality of alkoxy silane moieties that contains pendant hydrophobic groups.Type: ApplicationFiled: July 30, 2010Publication date: February 2, 2012Inventors: Mridula Nair, David D. Putnam, Shari L. Eiff, Cumar Sreekumar
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Publication number: 20120028181Abstract: A surface decorated particle including a core particle phase having an outer surface; and fine inorganic particles on the outer surface of the core particle phase; wherein the fine inorganic particles have hydrophobic groups covalently bonded primarily on portions of surfaces of the fine inorganic particles positioned away from the core particle phase. Such surface decorated particles are obtainable by a method including stabilizing dispersed hydrophobic phase particles in an aqueous phase with fine inorganic particles having a relatively hydrophilic surface; and treating the stabilized dispersed hydrophobic phase particles with a hydrophobic group containing reactant to form hydrophobic groups covalently bonded to surfaces of the fine inorganic particles.Type: ApplicationFiled: July 30, 2010Publication date: February 2, 2012Inventors: Mridula Nair, David D. Putnam, Shari L. Eiff, Cumar Sreekumar
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Patent number: 7781373Abstract: The present invention relates to a cyan dye donor element for thermal transfer imaging comprising a support having thereon a dye layer comprising a mixture of at least two cyan dyes dispersed in a polymeric binder, wherein at least one of the at least two cyan dyes is a light stabilizing dye represented by Formula I and a thermal image recording method utilizing the same cyan dye donor element. The present invention also relates to a cyan inkjet dye comprising a light stabilizing cyan dye represented by Formula I.Type: GrantFiled: January 25, 2007Date of Patent: August 24, 2010Assignee: Eastman Kodak CompanyInventors: Donald R. Diehl, Shari L. Eiff, Christine J. Landry-Coltrain, Gary M. Russo
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Patent number: 7608140Abstract: The present invention relates to an aqueous ink comprising at least water, and a colorant of Formula 1 wherein A is any substituted or unsubstituted aromatic or heteroaromatic moiety; R is hydrogen or any non-metallic group; R1 is hydrogen, or any substituted or unsubstituted aryl, alkenyl, alkynyl or alkyl group; R2 and R3 are hydrogen or any non-metallic group, and R2 and R3 can be joined to form a ring that may be aromatic, aliphatic or heterocyclic and may be further substituted; or a colorant of Formula 2: wherein R4 is hydrogen or any non-metallic group; n is an integer of 0-4; and, if n is 2-4, the R4 groups may be the same or different from each other, and a printing method for creating an image on an ink compatible substrate using colorants of Formula 1 or Formula 2.Type: GrantFiled: February 15, 2008Date of Patent: October 27, 2009Assignee: Eastman Kodak CompanyInventors: Steven G. Link, Joan C. Potenza, Paul A. Loncle, Donald R. Diehl, Shari L. Eiff
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Publication number: 20090205533Abstract: The present invention relates to an aqueous ink comprising at least water, and a colorant of Formula 1 wherein A is any substituted or unsubstituted aromatic or heteroaromatic moiety; R is hydrogen or any non-metallic group; R1 is hydrogen, or any substituted or unsubstituted aryl, alkenyl, alkynyl or alkyl group; R2 and R3 are hydrogen or any non-metallic group, and R2 and R3 can be joined to form a ring that may be aromatic, aliphatic or heterocyclic and may be further substituted; or a colorant of Formula 2: wherein R4 is hydrogen or any non-metallic group; n is an integer of 0-4; and, if n is 2-4, the R4 groups may be the same or different from each other, and a printing method for creating an image on an ink compatible substrate using colorants of Formula 1 or Formula 2.Type: ApplicationFiled: February 15, 2008Publication date: August 20, 2009Inventors: Steven G. Link, Joan C. Potenza, Paul A. Loncle, Donald R. Diehl, Shari L. Eiff
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Publication number: 20080182212Abstract: The present invention relates to a cyan dye donor element for thermal transfer imaging comprising a support having thereon a dye layer comprising a mixture of at least two cyan dyes dispersed in a polymeric binder, wherein at least one of the at least two cyan dyes is a light stabilizing dye represented by Formula I and a thermal image recording method utilizing the same cyan dye donor element. The present invention also relates to a cyan inkjet dye comprising a light stabilizing cyan dye represented by Formula I.Type: ApplicationFiled: January 25, 2007Publication date: July 31, 2008Inventors: Donald R. Diehl, Shari L. Eiff, Christine J. Landry-Coltrain, Gary M. Russo
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Patent number: 7312012Abstract: The present invention relates to a thermal donor comprising a dye mixture and a urea light-stabilizing compound, wherein the light-stabilizing compound is represented by structure I: wherein: R1, R2 and R3 represent a hydrogen atom, alkyl group, cycloalkyl group, alkenyl group, aralkyl group, aryl group or heterocyclic group, provided that at least one of R1, R2, and/or R3 is a hydrogen atom; R4-R8 represent a hydrogen atom, hydroxyl group, alkyl group, cycloalkyl group, alkenyl group, aralkyl group, aryl group, heterocyclic group, aryloxy group, or alkoxy group; and R3 forms a heterocyclic ring with either R4 or R8, and an imaging system comprising a donor sheet having a layer containing a dye and an image receiving sheet having a dye receiving layer, wherein either the donor sheet or the image receiving sheet comprises a dye mixture and a urea light-stabilizing compound of structure I.Type: GrantFiled: December 14, 2006Date of Patent: December 25, 2007Assignee: Eastman Kodak CompanyInventors: Donald R. Diehl, Shari L. Eiff, Ramanuj Goswami, Christine J. Landry-Coltrain, Gary M. Russo
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Patent number: 7108963Abstract: A photographic element comprises a silver halide emulsion layer having associated therewith a dye forming coupler and a combination of a carbonamide compound, a phenolic compound, and an electron-rich compound. Such a combination provides improved dye stability.Type: GrantFiled: April 6, 2005Date of Patent: September 19, 2006Assignee: Eastman Kodak CompanyInventors: Albert J. Mura, Jr., Gary M. Russo, Shari L. Eiff, Brian Thomas
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Patent number: 7090969Abstract: A photographic element comprises a silver halide emulsion layer having associated therewith a dye forming coupler and a compound of the following Formula I1: wherein L is a linking moiety; X is a heteroatom group selected from O, S, or NR? where R? is H or a substituent; w is 0 or 1; R is hydrogen or a substituent group; n is an integer from 0 to 5; and ST represents a stabilizer selected from the group consisting of: A. a thiomorpholine dioxide; B. a dialkoxy aromatic group linked through a phenolic oxygen; C. a dialkoxy aromatic group linked through the aromatic ring; D. a sulfonamido group; E. a hydroxyphenyl benzotriazole group; and F. a phenolic group.Type: GrantFiled: March 15, 2005Date of Patent: August 15, 2006Assignee: Eastman Kodak CompanyInventors: Albert J. Mura, Shari L. Eiff, Gary M. Russo
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Patent number: 6900007Abstract: A photographic element comprises a light-sensitive silver halide emulsion layer having associated therewith (a) a 1H-pyrazolo[1,5-b][1,2,4]triazole dye-forming coupler; (b) a sulfonamide compound free of aromatic substituents directly linked to the sulfonamide nitrogen or sulfur atoms and (c) a dialkoxy substituted aromatic compound.Type: GrantFiled: August 4, 2004Date of Patent: May 31, 2005Assignee: Eastman Kodak CompanyInventors: Albert J. Mura, Jr., Gary M. Russo, Shari L. Eiff
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Patent number: 6846620Abstract: Photographic elements are disclosed comprising a silver halide emulsion layer having associated therewith a dye forming coupler and a compound of the following Formula I: R1R2N—C(O)—(R)p—C(O)—NR3R4 wherein R represents a hydrocarbon linking group; p=0 or 1; and each of R1, R2, R3 and R4 independently represents an aromatic, cyclic, linear or branched chain hydrocarbon group, or R1 and R2 or R3 and R4 combine together to form a ring with the associated nitrogen atom to which they are attached; with the proviso (i) at least one of R1, R2, R3 and R4 comprises an aromatic, cyclic, secondary alkyl, or otherwise or branched hydrocarbon group, or (ii) at least R1 and R2 or R3 and R4 combine together to form a ring with the associated nitrogen atom. Photographic elements of the present invention upon exposure and photographic processing exhibit good activity and yield dye images that have unexpected and substantial improvements in the stability of the formed image dyes.Type: GrantFiled: June 27, 2003Date of Patent: January 25, 2005Inventors: Albert J. Mura, Jr., Gary M. Russo, J. Ramon Vargas, Shari L. Eiff
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Patent number: 6348306Abstract: Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith (a) a pyrazolotriazole dye-forming coupler; (b) a cyclic aminosulfone first stabilizer; and (c) a sulfonamide compound co-stabilizer free of aromatic substituents and having a melting point of less than 150° C. The image dye formed by the coupler exhibits improved dye light stability.Type: GrantFiled: October 5, 2000Date of Patent: February 19, 2002Assignee: Eastman Kodak CompanyInventors: Albert J. Mura, Jr., Shari L. Eiff, Gary M. Russo
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Patent number: 6013429Abstract: Photographic elements are disclosed comprising a silver halide emulsion layer having associated therewith a magenta coupler and a magenta dye stabilizer compound of the formula S-I: ##STR1## wherein R.sup.0 represents an aryl group or a heterocyclic group; L.sub.1 and L.sub.2 are independently linear alkylene or cycloalkylene linking groups; and R.sup.a and R.sup.b are independently selected substituent groups at least one of which has a .sigma.* value of at least 1.8. Compounds in accordance with formula S-I act as singlet oxygen quenchers and are effective stabilizers for magenta dye images. Photographic elements of the present invention upon exposure and photographic processing yield magenta dye images that have low fading when exposed to light.Type: GrantFiled: February 27, 1998Date of Patent: January 11, 2000Assignee: Eastman Kodak CompanyInventors: Catherine A. Franke, Albert J. Mura, Jr., Shari L. Eiff
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Patent number: 5468587Abstract: An aqueous-developable chromogenic photographic heat-transferable non-aqueous dye-diffusion-transfer photographic element is disclosed, wherein said element comprises radiation sensitive silver halide, a dye-providing compound that forms or releases a heat-transferable image dye upon reaction of said compound with the oxidation product of a primary amine developing agent, a hydrophilic binder, and a thermal solvent for facilitating non-aqueous diffusion transfer according to formula (I) ##STR1## wherein AH is a hydrogen bond donating group with an aqueous pK.sub.a value for proton loss of greater than 6;L.sup.1 and L.sup.Type: GrantFiled: June 8, 1993Date of Patent: November 21, 1995Assignee: Eastman Kodak CompanyInventors: David S. Bailey, Albert J. Mura, Jr., Shari L. Eiff
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Patent number: 5051367Abstract: Tetra-substituted aryl cyclic formazan dyes are useful in assaying for lithium. The dyes have the structure: ##STR1## in which X represents CN or NO.sub.2 ;Y represents CH.sub.2 CH.sub.2, CH.sub.2 CH.sub.2 CH.sub.2 or CH.sub.2 CH.sub.2 --O--CH.sub.2 CH.sub.2 ; andR.sub.1, R.sub.2, R.sub.3 and R.sub.4 each independently represent butyl, halogen, alkoxy or NO.sub.2.Type: GrantFiled: August 14, 1989Date of Patent: September 24, 1991Assignee: Eastman Kodak CompanyInventors: Mary H. Delton, Shari L. Eiff
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Patent number: 4892937Abstract: Novel tetra-substituted aryl cyclic formazan dyes are useful in assaying for Li.sup.+.Type: GrantFiled: January 19, 1988Date of Patent: January 9, 1990Assignee: Eastman Kodak CompanyInventors: Mary H. Delton, Shari L. Eiff