Patents by Inventor David J. Giacherio
David J. Giacherio 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: 9199504Abstract: The present invention discloses a method of making core-shell polymer particles, comprising forming a linking-group-containing polymer by derivatizing a hydroxy-group-containing polymer, comprising hydroxy groups on adjacent carbon atoms with a linking agent, that is a compound comprising both an aldehyde moiety and an amine moiety, wherein one or more acetal moieties are formed in the linking-group-containing polymer, each acetal formed by the reaction of the aldehyde moiety in the linking agent with two hydroxy groups in the linking-group-containing polymer, wherein the amine moiety then becomes a linking group pendent from the linking-group-containing polymer, wherein the linking group is capable of reacting with a precursor group in the precursor polymer. Also disclosed are compositions comprising insoluble core-shell particles made by the method.Type: GrantFiled: September 15, 2010Date of Patent: December 1, 2015Assignee: EASTMAN KODAK COMPANYInventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz, Todd Emrick
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Patent number: 8079695Abstract: An inkjet printer, includes an ink containing a print uniformity improving polymer obtained by chain copolymerizing at least the following ethylenically unsaturated monomers: (a) a first monomer having a lowest pKa value greater than 3 and comprising a carboxylic acid group; (b) a second monomer having a lowest pKa value less than 2; and (c) a hydrophobic third monomer; together with pigment particles that are self-dispersed or dispersed with a dispersant other than a print uniformity improving polymer, and water. Such an ink provides improve print uniformity.Type: GrantFiled: August 20, 2008Date of Patent: December 20, 2011Assignee: Eastman Kodak CompanyInventors: Allan Wexler, David J. Giacherio, Michael J. Carmody, Richard C. Reem, Yongcai Wang
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Publication number: 20110003154Abstract: The present invention discloses a method of making core-shell polymer particles, comprising forming a linking-group-containing polymer by derivatizing a hydroxy-group-containing polymer, comprising hydroxy groups on adjacent carbon atoms with a linking agent, that is a compound comprising both an aldehyde moiety and an amine moiety, wherein one or more acetal moieties are formed in the linking-group-containing polymer, each acetal formed by the reaction of the aldehyde moiety in the linking agent with two hydroxy groups in the linking-group-containing polymer, wherein the amine moiety then becomes a linking group pendent from the linking-group-containing polymer, wherein the linking group is capable of reacting with a precursor group in the precursor polymer. Also disclosed are compositions comprising insoluble core-shell particles made by the method.Type: ApplicationFiled: September 15, 2010Publication date: January 6, 2011Inventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz, Todd Emrick
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Patent number: 7847027Abstract: The present invention discloses a method of making core-shell polymer particles, comprising forming a linking-group-containing polymer by derivatizing a hydroxy-group-containing polymer, comprising hydroxy groups on adjacent carbon atoms with a linking agent, that is a compound comprising both an aldehyde moiety and an amine moiety, wherein one or more acetal moieties are formed in the linking-group-containing polymer, each acetal formed by the reaction of the aldehyde moiety in the linking agent with two hydroxy groups in the linking-group-containing polymer, wherein the amine moiety then becomes a linking group pendent from the linking-group-containing polymer, wherein the linking group is capable of reacting with a precursor group in the precursor polymer. Also disclosed are compositions comprising insoluble core-shell particles made by the method.Type: GrantFiled: December 29, 2006Date of Patent: December 7, 2010Assignee: Eastman Kodak CompanyInventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz, Todd Emrick
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Patent number: 7833591Abstract: The present invention discloses an ink printing method using an image-recording element, which provides an image having excellent image quality and superior dry time, comprising insoluble cationic core-shell polymeric particles each comprising a core comprising cationic core polymer having at least 10 mole percent of a cationic mordant monomeric unit and a shell comprising hydrophilic shell polymer that is substantially less cationic than the cationic core polymer, wherein the shell is at least 10% by weight of the core.Type: GrantFiled: December 29, 2006Date of Patent: November 16, 2010Assignee: Eastman Kodak CompanyInventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz
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Publication number: 20100149594Abstract: A printing system includes a media input location for storing a recording medium prior to transport within the printing system for subsequent printing; a light source directed toward an extended region of the media input location; an array of photosensors restricted to only a substantially perpendicular movement relative to a plane of the media input location; and an optical path including a first optical path section from the light source to the extended region of the media input location and a second optical path section from the extended region of the media input location to the array of photosensors.Type: ApplicationFiled: December 11, 2008Publication date: June 17, 2010Inventors: Thomas D. Pawlik, Yang Shi, David J. Giacherio, John S. Badger
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Publication number: 20100045759Abstract: An inkjet printer, includes an ink containing a print uniformity improving polymer obtained by chain copolymerizing at least the following ethylenically unsaturated monomers: (a) a first monomer having a lowest pKa value greater than 3 and comprising a carboxylic acid group; (b) a second monomer having a lowest pKa value less than 2; and (c) a hydrophobic third monomer; together with pigment particles that are self-dispersed or dispersed with a dispersant other than a print uniformity improving polymer, and water. Such an ink provides improve print uniformity.Type: ApplicationFiled: August 20, 2008Publication date: February 25, 2010Inventors: Allan Wexler, David J. Giacherio, Michael J. Carmody, Richard C. Reem, Yongcai Wang
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Publication number: 20080160228Abstract: The present invention discloses an ink printing method using an image-recording element, which provides an image having excellent image quality and superior dry time, comprising insoluble cationic core-shell polymeric particles each comprising a core comprising cationic core polymer having at least 10 mole percent of a cationic mordant monomeric unit and a shell comprising hydrophilic shell polymer that is substantially less cationic than the cationic core polymer, wherein the shell is at least 10% by weight of the core.Type: ApplicationFiled: December 29, 2006Publication date: July 3, 2008Inventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz
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Publication number: 20080161493Abstract: The present invention discloses a method of making core-shell polymer particles, comprising forming a linking-group-containing polymer by derivatizing a hydroxy-group-containing polymer, comprising hydroxy groups on adjacent carbon atoms with a linking agent, that is a compound comprising both an aldehyde moiety and an amine moiety, wherein one or more acetal moieties are formed in the linking-group-containing polymer, each acetal formed by the reaction of the aldehyde moiety in the linking agent with two hydroxy groups in the linking-group-containing polymer, wherein the amine moiety then becomes a linking group pendent from the linking-group-containing polymer, wherein the linking group is capable of reacting with a precursor group in the precursor polymer. Also disclosed are compositions comprising insoluble core-shell particles made by the method.Type: ApplicationFiled: December 29, 2006Publication date: July 3, 2008Inventors: Peter J. Ghyzel, Joseph F. Bringley, David J. Giacherio, Lawrence P. DeMejo, Terry C. Schultz
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Patent number: 6690436Abstract: A light-modulating, electrically responsive privacy screen includes a transparent substrate and an electrically conductive layer formed over the substrate. The privacy screen further includes a light-modulating layer disposed over the electrically conductive layer and including at least one dispersable light-modulating material and coalescence limiting material into which the dispersible light-modulating material(s) is provided so that such dispersible light-modulating material coalesces to form a set domains having at least two optical states, the first optical state being present in the absence of an electrical field and the second being caused by the application of an electrical field and wherein one of the optical states cause the light-modulating layer to be transparent and the other optical state causes the light-modulating layer to restrict a user viewing through the privacy screen and thereby provide an appropriate level of privacy.Type: GrantFiled: January 21, 2003Date of Patent: February 10, 2004Assignee: Eastman Kodak CompanyInventors: Stanley W. Stephenson, John W. Boettcher, David J. Giacherio
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Publication number: 20030133057Abstract: A light-modulating, electrically responsive privacy screen includes a transparent substrate and an electrically conductive layer formed over the substrate. The privacy screen further includes a light-modulating layer disposed over the electrically conductive layer and including at least one dispersable light-modulating material and coalescence limiting material into which the dispersible light-modulating material(s) is provided so that such dispersible light-modulating material coalesces to form a set domains having at least two optical states, the first optical state being present in the absence of an electrical field and the second being caused by the application of an electrical field and wherein one of the optical states cause the light-modulating layer to be transparent and the other optical state causes the light-modulating layer to restrict a user viewing through the privacy screen and thereby provide an appropriate level of privacy.Type: ApplicationFiled: January 21, 2003Publication date: July 17, 2003Inventors: Stanley W. Stephenson, John W. Boettcher, David J. Giacherio
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Patent number: 6556262Abstract: A light-modulating electrically responsive sheet including a substrate and electrically conductive layer formed over the substrate. The sheet further includes a light-modulating layer disposed over the electrically conductive layer and including at least one dispersible light-modulating material and coalescence limiting material into which the dispersible light-modulating material(s) is provided so that such dispersible light-modulating material coalesces to form a limited coalesced material having a set of domains each having a set of domains that exhibit different electrically responsive optical states.Type: GrantFiled: January 6, 2000Date of Patent: April 29, 2003Assignee: Eastman Kodak CompanyInventors: Stanley W. Stephenson, John W. Boettcher, David J. Giacherio
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Patent number: 6552762Abstract: A light-modulating, electrically responsive privacy screen includes a transparent substrate and an electrically conductive layer formed over the substrate. The privacy screen further includes a light-modulating layer disposed over the electrically conductive layer and including at least one dispersible light-modulating material and coalescence limiting material into which the dispersible light-modulating material(s) is provided so that such dispersible light-modulating material coalesces to form a set domains having at least two optical states, the first optical state being present in the absence of an electrical field and the second being caused by the application of an electrical field and wherein one of the optical states cause the light-modulating layer to be transparent and the other optical state causes the light-modulating layer to restrict a user viewing through the privacy screen and thereby provide an appropriate level of privacy.Type: GrantFiled: January 6, 2000Date of Patent: April 22, 2003Assignee: Eastman Kodak CompanyInventors: Stanley W. Stephenson, John W. Boettcher, David J. Giacherio
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Patent number: 6423368Abstract: A light-modulating, electrically responsive sheet including a substrate and an electrically conductive layer formed over the substrate. The sheet further includes, in an aqueous bath, an immiscible, field responsive light-modulating material along with a quantity of colloidal particles wherein the colloidal particles limit coalesced domain size and a binder; blending the constituents of the aqueous bath to form a dispersion of said field-responsive, light-modulating material below a coalescence size which sets to form limited coalescence domains having a uniform size; coating said material over the substrate; and drying said coated material to form a set of uniform domains so that such dispersion coalesces to form a set of uniform limited coalescence domains having a plurality of electrically responsive optical states.Type: GrantFiled: January 6, 2000Date of Patent: July 23, 2002Assignee: Eastman Kodak CompanyInventors: Stanley W. Stephenson, John W. Boettcher, David J. Giacherio
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Patent number: 5262292Abstract: Pyrazolone magenta dye-forming couplers having a particular arylthio coupling-off group enhance the photographic properties and improve the manufacturing and handling characteristics of materials and processes employing such couplers. The coupler contains an N-phenyl group, a 3-anilino group and a 4-(arylthio) coupling off group containing a particular aryloxymethylacylamino group as an ortho substituent. A broad range of improvements are realized including stability, reactivity, hue, and dye density in addition to simplified and safer manufacture.Type: GrantFiled: April 23, 1992Date of Patent: November 16, 1993Assignee: Eastman Kodak CompanyInventors: Sundaram Krishnamurthy, Thomas A. Rosiek, Vincent J. Flow, David S. Bailey, David J. Giacherio, John L. Pawlak, Stephen P. Singer
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Patent number: 4973535Abstract: This invention relates to a color photographic silver halide recording material containing a dye image-forming coupler compound and a sulfonamide compound which is capable of altering the spectral absorption properties of a dye formed by reaction of the coupler compound with oxidized developing agent.Type: GrantFiled: August 12, 1988Date of Patent: November 27, 1990Assignee: Eastman Kodak CompanyInventors: Paul B. Merkel, David J. Giacherio