Patents by Inventor James A. Reczek
James A. Reczek 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: 6679603Abstract: 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 jet recording elements with a support having thereon an image-receiving layer of a polymer having a given contact angle; C) loading the printer with an ink jet ink composition; D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals to form an imaged recording element; and E) heating the imaged recording element sufficiently to cause the layer of polymer to increase the contact angle at least about 15 degrees.Type: GrantFiled: June 18, 2002Date of Patent: January 20, 2004Assignee: Eastman Kodak CompanyInventors: Allan Wexler, James A. Reczek, Shiying Zheng
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Patent number: 6666553Abstract: A method of selecting inks within an inkjet ink set for color printing includes: a) providing at least two color inks, each ink having a carrier and a pigment; b) printing the above inks onto a receiver using test images consisting of single color patches of a Dmax density (100% dot coverage); c) measuring the gloss level of each patch at a predefined specular angle; d) calculating the Relative Gloss Variability (RGV) values of the ink set based on the definition in Equation A; and e) selecting inks for the color set such that the Relative Gloss Variability (RGV) among inks is less than 10% when 60° is used as the specular angle: RGV ⁡ ( % ) = ∑ I = 1 NType: GrantFiled: December 28, 2001Date of Patent: December 23, 2003Assignee: Eastman Kodak CompanyInventors: Gang C. Han-Adebekun, Huijuan D. Chen, James A. Reczek
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Publication number: 20030231236Abstract: 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 jet recording elements with a support having thereon an image-receiving layer of a polymer having a given contact angle; C) loading the printer with an ink jet ink composition; D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals to form an imaged recording element; and E) heating the imaged recording element sufficiently to cause the layer of polymer to increase the contact angle at least about 15 degrees.Type: ApplicationFiled: June 18, 2002Publication date: December 18, 2003Applicant: Eastman Kodak CompanyInventors: Allan Wexler, James A. Reczek, Shiying Zheng
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Patent number: 6644799Abstract: A method of selecting a pigment ink set and receiver in combination including: printing at least two color inks onto a set of receiver to form single color patches of a Dmax density (100% dot coverage); measuring the gloss level of each patch and the receiver at a predefined specular angle; calculating the Relative Gloss Difference (RGD%) value of the ink set and receiver combination; and selecting the ink set and receiver such that RGD value is less than 40% when 60° is used as the specular angle, and the RGD value is calculated according to Equation (A): RGD ⁢ ⁢ % = ∑ I = 1 NType: GrantFiled: December 28, 2001Date of Patent: November 11, 2003Assignee: Eastman Kodak CompanyInventors: Gang C. Han-Adebekun, Huijuan D. Chen, James A. Reczek
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Patent number: 6598967Abstract: An ink jet ink set and recording element combination including A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set including at least two inks; wherein the RGD value is less than 40% and RGV value among inks is less than 10% when 60° is used as the specular angle; the RGD and RGV values are calculated according to Equations (A) and (B), respectively: ⁢ Equation ⁢ ⁢ ( A ) RGD ⁢ ⁢ % = &AutoLeftMatch; ⁢ ∑ I =Type: GrantFiled: December 28, 2001Date of Patent: July 29, 2003Assignee: Eastman Kodak CompanyInventors: Huijuan D. Chen, Gang C. Han-Adebekun, James A. Reczek
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Publication number: 20030132998Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based inkjet ink set comprising at least two inks; wherein the RGD value is less than 40% when 60° is used as the specular angle and the RGD value is calculated according to Equation (A): 1 RGD ⁢ ⁢ % = ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁢ ⁢ ( Imaged ⁢ ⁢ Areas ) I - Gloss ⁢ ⁢ ( Non ⁢ ⁢ Imaged ⁢ ⁢ Areas ) &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁢ ⁢ ( Imaged ⁢ ⁢ Areas ) I Equation ⁢ ⁢ (A)Type: ApplicationFiled: December 28, 2001Publication date: July 17, 2003Applicant: Eastman Kodak CompanyInventors: James A. Reczek, Gang C. Han-Adebekun, Huijuan D. Chen
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Publication number: 20030128263Abstract: A method of selecting inks within an inkjet ink set for color printing comprises: a) providing at least two color inks, each ink comprising a carrier and a pigment; b) printing the above inks onto a receiver using test images consisting of single color patches of a Dmax density (100% dot coverage); c) measuring the gloss level of each patch at a predefined specular angle; d) calculating the Relative Gloss Variability (RGV) values of the ink set based on the definition in Equation A; and e) selecting inks for the color set such that the Relative Gloss Variability (RGV) among inks is less than 10% when 60° is used as the specular angle: 1 RGV ⁡ ( % ) = ∑ I = 1 N ⁢ | ( Gloss ⁡ ( Imaged ⁢ ⁢ Area ) I - AG ) | AG / N Equation ⁢ ⁢ ( A )Type: ApplicationFiled: December 28, 2001Publication date: July 10, 2003Applicant: Eastman Kodak CompanyInventors: Gang C. Han-Adebekun, Huijuan D. Chen, James A. Reczek
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Publication number: 20030128262Abstract: An ink jet ink set and recording element combination comprising: A) a porous ink jet recording element having a 60° specular gloss of at least about 5; and B) a pigment based ink jet ink set comprising at least two inks; wherein the RGD value is less than 40% and RGV value among inks is less than 10% when 60° is used as the specular angle; the RGD and RGV values are calculated according to Equations (A) and (B), respectively: 1 RGD ⁢ ⁢ % = ∑ I = 1 N ⁢ &LeftBracketingBar; Gloss ⁢ ⁢ ( Imaged ⁢ ⁢ ⁢ Areas ) I - Gloss ⁢ ⁢ ( Non ⁢ ⁢ Imaged ⁢ ⁢ Areas &RightBracketingBar; ∑ I = 1 N ⁢ Gloss ⁡ ( Imaged ⁢ ⁢ Areas ) I Equation ⁢ ⁢ ( A ) RGV ⁢ ⁢ ( % ) = ∑ I = 1 N ⁢ | ( Gloss ⁡ ( Imaged ⁢ ⁢ Area ) I - AG ) | AG / N ⁢ &NewLinType: ApplicationFiled: December 28, 2001Publication date: July 10, 2003Applicant: Eastman Kodak CompanyInventors: Huijuan D. Chen, Gang C. Han-Adebekun, James A. Reczek
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Publication number: 20030128247Abstract: A method of selecting pigment ink set and a receiver combination for inkjet color printing comprising:Type: ApplicationFiled: December 28, 2001Publication date: July 10, 2003Applicant: Eastman Kodak CompanyInventors: Gang C. Han-Adebekun, Huijuan D. Chen, James A. Reczek
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Patent number: 6547865Abstract: An ink jet printing process for improving the ozone stability an ink jet image comprising: a) providing an ink jet recording element comprising a support having thereon a porous image-receiving layer having interconnecting voids; and b) applying droplets of a liquid ink on the image-receiving layer in an image-wise manner, the ink comprising water, humectant and a metallized, phthalocyanine dye, the metallized, phthalocyanine dye comprising the formula: MPc(SO3X)a(SO2NRR′)b.Type: GrantFiled: March 21, 2001Date of Patent: April 15, 2003Assignee: Eastman Kodak CompanyInventors: Andrei Andrievsky, Bruce C. Campbell, Helmut Weber, James A. Reczek
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Publication number: 20020178969Abstract: An ink jet printing process for improving the ozone stability of an inkjet image comprising:Type: ApplicationFiled: March 21, 2001Publication date: December 5, 2002Applicant: Eastman Kodak CompanyInventors: Andrei Andrievsky, Bruce C. Campbell, Helmut Weber, James A. Reczek
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Patent number: 4701420Abstract: Ferric ion chelates are useful in analytical compositions, elements and methods for the determination of reductants, or other analytes which can produce a reductant. The ferric ion chelate is reduced to ferrous ion, which coordinates with a suitable ferrous ion coordinating ligand to form a colored complex. In particular, these compositions and elments are useful for detecting nicotinamide adenine dinucleotide, reduced form (NADH) or nicotinamide adenine dinucleotide phosphate, reduced form (NADPH), or an analyte (e.g. an enzyme) which produces NADH or NADPH in biological fluids.Type: GrantFiled: April 1, 1985Date of Patent: October 20, 1987Assignee: Eastman Kodak CompanyInventors: Allen L. Thunberg, James A. Reczek
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Patent number: 4599389Abstract: Photographic elements and diffusion transfer assemblages described which contain a novel mordant comprising a polymeric backbone having appended thereto nitrogen-coordinating ligands having the formula: ##STR1## wherein D.sup.1, D.sup.2, and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms.In a preferred embodiment, the mordant comprises recurring units having the formula: ##STR2## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or an alkyl or substituted alkyl group having from 1 to about 6 carbon atoms;Link represents a bivalent linking group; andLIG represents a nitrogen-coordinating ligand as described above.Type: GrantFiled: October 24, 1985Date of Patent: July 8, 1986Assignee: Eastman Kodak CompanyInventors: James A. Reczek, Ignazio S. Ponticello, Philip S. Bryan
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Patent number: 4598030Abstract: Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D.sup.1, D.sup.2 and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;(b) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms or a ketomethine group;(c) G.sup.1 and G.sup.2 each independently represents a metal chelating group;(d) Me is a polyvalent, hexacoordinate metal ion,(e) CAR represents a ballasted carrier moiety capable of releasing the diffusible dye moiety as a function of development of the silver halide emulsion layer under alkaline conditions; and(f) n is 1, 2 or 3.Type: GrantFiled: August 2, 1985Date of Patent: July 1, 1986Assignee: Eastman Kodak CompanyInventor: James A. Reczek
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Patent number: 4581314Abstract: Photographic elements and diffusion transfer assemblages are described which contain a novel mordant comprising a polymeric backbone having appended thereto nitrogen-coordinating ligands having the formula: ##STR1## wherein D.sup.1, D.sup.2, D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms.In a preferred embodiment, the mordant comprises recurring units having the formula: ##STR2## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or an alkyl or substituted alkyl group having from 1 to about 6 carbon atoms;Link represents a bivalent linking group; andLIG represents a nitrogen-coordinating ligand as described above.Type: GrantFiled: January 2, 1985Date of Patent: April 8, 1986Assignee: Eastman Kodak CompanyInventors: James A. Reczek, Ignazio S. Ponticello, Philip S. Bryan
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Patent number: 4568633Abstract: A process for obtaining highly stable color photographic images utilizes a silver halide photographic element comprising an essentially colorless, immobile compound which is capable of complexing with ferrous ions to form a dye. The complexing compound contains a complexing moiety which is represented by the formula: ##STR1## wherein m is zero or a positive integer 1 to 3, n and p are independently 0 or 1 and represents a single or double bond. Z is R.sup.1 --N.dbd., O.dbd., S.dbd., R.sup.1 --P.dbd., (R.sup.1).sub.2 P-- or (R.sup.1).sub.3 P.dbd., and when Z is (R.sup.1).sub.2 P--, n is 1, otherwise n is 0. R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen, amino, hydroxy, mercapto, alkoxy, alkyl, aryl or a heterocyclic moiety. When R.sup.6 is so defined, p is 1 and is a single bond. If m is 0, R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, and R.sup.3 and R.sup.Type: GrantFiled: January 2, 1985Date of Patent: February 4, 1986Assignee: Eastman Kodak CompanyInventors: Frank V. Lovecchio, James A. Reczek, Robert C. Stewart
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Patent number: 4562139Abstract: Photographic elements, diffusion transfer assemblages and coordination complexes are described which employ a novel nondiffusible compound capable of releasing at least one diffusible dye moiety having the formula: ##STR1## wherein: (a) D.sup.1, D.sup.2 and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms;(b) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete an aromatic carbocyclic or heterocyclic nucleus having at least one ring of 5 to 7 atoms or a ketomethine group;(c) G.sup.1 and G.sup.2 each independently represents a metal chelating group;(d) Me is a polyvalent, hexacoordinate metal ion,(e) CAR represents a ballasted carrier moiety capable of releasing the diffusible dye moiety as a function of development of the silver halide emulsion layer under alkaline conditions; and(f) n is 1, 2 or 3.Type: GrantFiled: January 2, 1985Date of Patent: December 31, 1985Assignee: Eastman Kodak CompanyInventor: James A. Reczek
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Patent number: 4555478Abstract: A process of obtaining highly stable color images comprises use of an element which has a support having thereon at least one silver halide emulsion layer having associated therewith an essentially colorless, immobile, ligand-releasing compound of the structure LIG-X. In this structure, LIG is a ligand which is capable of complexing with metal ions (e.g. ferrous ions) to form a metal complex dye, and X is a group which, as a function of silver halide development, is cleaved from LIG. A color image is formed by developing the described element after imagewise exposure with a developing agent to imagewise cleave the bond between the LIG and X, and treating the developed element with metal ions (e.g. ferrous ions) to form a metal complex dye image.Type: GrantFiled: January 2, 1985Date of Patent: November 26, 1985Assignee: Eastman Kodak CompanyInventors: James A. Reczek, Janice M. Palumbo
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Patent number: 4495098Abstract: Coordination complexes of a polyvalent metal ion and a nondiffusible compound capable of releasing at least one diffusible cyan dye moiety having the formula: ##STR1## wherein: (a) Y represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic fused ring;(b) CAR represents a ballasted carrier moiety capable of releasing the diffusible cyan dye moiety as a function of development of a silver halide emulsion layer under alkaline conditions;(c) R represents a hydroxy group, a salt thereof, or a hydrolyzable precursor thereof, or CAR which is linked to the dye moiety through an oxygen atom thereon; and(d) n is 0, 1 or 2 with the proviso that when n is 0, then R is CAR which is linked to the dye moiety through an oxygen atom thereon.Type: GrantFiled: June 15, 1983Date of Patent: January 22, 1985Assignee: Eastman Kodak CompanyInventors: James A. Reczek, James K. Elwood
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Patent number: 4495100Abstract: Nondiffusible compounds capable of releasing at least one diffusible cyan dye moiety having the formula: ##STR1## wherein: (a) Y represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic fused ring;(b) CAR represents a ballasted carrier moiety capable of releasing the diffusible cyan dye moiety as a function of development of a silver halide emulsion layer under alkaline conditions;(c) R represents a hydroxy group, a salt thereof, or a hydrolyzable precursor thereof, or CAR which is linked to the dye moiety through an oxygen atom thereon; and(d) n is 0, 1 or 2 with the proviso that when n is 0, then R is CAR which is linked to the dye moiety through an oxygen atom thereon.Type: GrantFiled: June 15, 1983Date of Patent: January 22, 1985Assignee: Eastman Kodak CompanyInventors: James A. Reczek, James K. Elwood