Patents by Inventor Wayne A. Bowman
Wayne A. Bowman 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: 5789344Abstract: A thermal dye transfer assemblage comprising:(I) 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(II) 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 comprising a mixture ofa) an organic polymeric or oligomeric acid which is capable of reprotonating said deprotonated cationic dye;b) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; andc) a monomeric, multifunctional organic acid with at least two acid groups attached.Type: GrantFiled: June 19, 1997Date of Patent: August 4, 1998Assignee: Eastman Kodak CompanyInventors: Teh-Ming Kung, Kristine B. Lawrence, Wayne A. Bowman, William H. Simpson
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Patent number: 5789343Abstract: A thermal dye transfer assemblage comprising:(I) a dye-donor element comprising a support having thereon sequentially repeating dye layer patches of a dye dispersed in a polymeric binder, at least one of the dye patches containing 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(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer comprising a vinyl polymer having no or only slight acidity and a hydrated transition metal or metalloid salt of a strong acid, 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.Type: GrantFiled: June 19, 1997Date of Patent: August 4, 1998Assignee: Eastman Kodak CompanyInventors: Robert A. Guistina, Wayne A. Bowman, Elizabeth G. Burns, Susan L. Dawson, Kristine B. Lawrence, Richard C. VanHanehem
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Patent number: 5786300Abstract: A thermal dye transfer assemblage comprising:(I) a dye-donor element comprising a support having thereon sequentially repeating dye layer patches of a dye dispersed in a polymeric binder, at least one of the dye patches containing 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(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer comprising a polymer having a Tg of less than about 9.degree. C. and being of no or only slight acidity and a hydrated transition metal or metalloid salt of a strong acid, 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.Type: GrantFiled: June 19, 1997Date of Patent: July 28, 1998Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Robert A. Guistina, Kristine B. Lawrence
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Patent number: 5683956Abstract: 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 having a reactive carbonyl group, and(b) a dye-receiving element comprising a support having thereon a 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 polymer containing a primary or secondary aliphatic amino group.Type: GrantFiled: April 16, 1996Date of Patent: November 4, 1997Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Steven Evans, Kristine B. Lawrence
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Patent number: 5627128Abstract: A thermal dye transfer assemblage comprising:(a) a dye-donor dement 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 comprising a mixture of an organic polymeric or oligomeric acid which is capable of reprotonating the deprotonated cationic dye and a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity.Type: GrantFiled: March 1, 1996Date of Patent: May 6, 1997Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Daniel J. Harrison, Karen M. Kosydar, Teh-Ming Kung, Kristine B. Lawrence, William H. Simpson
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Patent number: 5622808Abstract: Dye imbibition printing blanks are disclosed comprising a support bearing a layer comprising a cationic mordant, a hydrophilic colloid and a plasticizer polymer, wherein the plasticizer polymer is a latex polymer having a glass transition temperature below about 30.degree. C. comprising from about 2 to 20 wt % of units having a quaternary ammonium group. In a preferred embodiment, the latex polymer comprises a vinyl co-polymer addition product of from about 50 to 98 weight percent of acrylic or methacrylic ester units, 0 to 48 weight percent of vinyl benzene units and 2 to 20 weight percent of the quaternary ammonium group containing unit. This latex provides a dye imbibition printing blank substantially free of haze and brittleness.Type: GrantFiled: March 12, 1996Date of Patent: April 22, 1997Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Charles P. Hagmaier, Frank D. Manioci
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Patent number: 5547832Abstract: Methods and compositions are provided for hardening with fast-acting hardeners the colloidal carrier materials, such as gelatin, in the layers of photographic materials, such as photographic film. The methods of the invention comprise coating, with a conventional coating technique, among the layers of a photographic material a layer of a composition of the invention. The compositions of the invention are aqueous solutions which comprise a fast-acting hardener and a polymeric thickener, have concentrations of thickener less than about 50 mg/cm.sup.3 and, at 40.degree. C. and shear rates between about 1000 sec.sup.-1 and 10,000 sec.sup.-1, have viscosities from about 5 cp to about 20 cp and power law indices greater than about 0.90.Type: GrantFiled: July 7, 1992Date of Patent: August 20, 1996Assignee: Eastman Kodak CompanyInventors: Marianne Yarmey, James L. Bello, Gary F. Mitchell, Glenn T. Pearce, Wayne A. Bowman, Melvin Sterman
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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: 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: 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: 5512532Abstract: 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 substituted with a reactive primary or secondary aliphatic or primary aromatic amino group, and(b) a dye-receiving element comprising a support having thereon a 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 polymer containing a plurality of .beta.-diketone, .beta.-ketoester or .beta.-ketoamide functional groups.Type: GrantFiled: March 24, 1995Date of Patent: April 30, 1996Assignee: Eastman Kodak CompanyInventors: David B. Bailey, Wayne A. Bowman, Steven Evans, Kristine B. Lawrence, John M. Noonan
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Patent number: 5512533Abstract: 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 substituted with a reactive primary or secondary aliphatic amino group, and(b) a dye-receiving element comprising a support having thereon a 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 polymer containing a pendant alkyl acrylamidoglycolate alkyl ether group.Type: GrantFiled: March 24, 1995Date of Patent: April 30, 1996Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Robert C. Daly, Kristine B. Lawrence
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Patent number: 5466658Abstract: A dye-receiving element for receiving a thermally-transferred ionic dye comprising a support having thereon a dye image-receiving layer, wherein the dye image-receiving layer comprises an elastomeric binder with a Tg of less than 25.degree. C. and a polymeric mordant for the ionic dye dispersed in the binder.Type: GrantFiled: December 16, 1994Date of Patent: November 14, 1995Assignee: Eastman Kodak CompanyInventors: Daniel J. Harrison, William H. Simpson, Wayne A. Bowman, Kristine B. Lawrence, Helmut Weber
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Patent number: 5441854Abstract: A process is disclosed for forming a color photographic image comprising the steps of:(a) providing an integral element comprising one and only one dimensionally stable layer comprising a reflection base or transparent base coating support, and coated thereon in reactive association an imaging layer comprising radiation sensitive silver halide, a diffusible dye forming layer comprising a diffusible dye forming compound, and a barrier layer overlaying said diffusible dye forming layer;(b) exposing this integral element to actinic radiation(c) processing this integral element by contacting this element to an external bath containing compounds selected from the group consisting of color developer compounds, compounds which activate the release of incorporated color developers, and compounds which activate development by incorporated dye developers; and(d) washing this integral element to remove compounds imbibed in step (c). The diffusible dye forming layer is the same or different than the imaging layer.Type: GrantFiled: July 18, 1994Date of Patent: August 15, 1995Assignee: Eastman Kodak CompanyInventors: John Texter, Wayne A. Bowman, Glenn T. Pearce
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Patent number: 5429906Abstract: This invention relates to a dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising an image dye dispersed in a binder, wherein the binder comprises a water-dispersible vinyl copolymer having a glass transition temperature below about 54.degree. C. and having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or methyl;D represents a substituted or unsubstituted phenyl group; or --COOR.sup.3, where R.sup.3 represents a substituted or unsubstituted alkyl group of 1 to about 6 carbon atoms, a substituted or unsubstituted cycloalkyl group of about 5 to about 8 carbon atoms, or an organic group containing ethylenic unsaturation;E represents --C.sub.6 H.sub.4 --; --CONHR.sup.4 --; or --COOR.sup.4 --, where R.sup.4 represents an alkylene group of 1 to about 6 carbon atoms;M represents a mono-charged cation,;x represents 75 to 98 mole percent; andy represents 2 to 25 mole percent.Type: GrantFiled: February 17, 1994Date of Patent: July 4, 1995Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Karen M. Kosydar
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Patent number: 5422234Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The adhesive interlayer, which is comprised of a polymer having epoxy functionality, strongly bonds the overcoat layer to the imaging layer.Type: GrantFiled: March 16, 1994Date of Patent: June 6, 1995Assignee: Eastman Kodak CompanyInventors: Charles L. Bauer, Wayne A. Bowman
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Patent number: 5420095Abstract: A dye-receiving element for thermal dye transfer comprising a support having on one side thereof, in order, a cushion layer of an acrylic polymer, a subbing layer, and a polymeric dye image-receiving layer, wherein said subbing layer is a poly(vinyl acetal) and is present at a coverage of at least 0.17 g/m.sup.2.Type: GrantFiled: October 11, 1994Date of Patent: May 30, 1995Assignee: Eastman Kodak CompanyInventors: George B. Bodem, Linda Kaszczuk, Wayne A. Bowman
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Thermally processable imaging element including an adhesive interlayer comprising a polyalkoxysilane
Patent number: 5418120Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The adhesive interlayer, which is comprised of a polyalkoxysilane, strongly bonds the overcoat layer to the imaging layer.Type: GrantFiled: March 16, 1994Date of Patent: May 23, 1995Assignee: Eastman Kodak CompanyInventors: Charles L. Bauer, Wayne A. Bowman -
Patent number: 5405907Abstract: A photographic paper having a print retaining layer including a granular tooth providing ingredient in a binder polymer having a T.sub.g of 30.degree. to 65.degree. C. which is the addition product of from about 30 to about 98 mol percent of an alkylmethacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol percent of an alkali metal salt of a ethylenically unsaturated sulfonic or carboxylic acid, from 0 to about 65 mol percent of a vinyl benzene monomer and from 0 to about 5 mol percent of a crosslinking agent containing two ethylenically unsaturated bonds.Type: GrantFiled: August 5, 1991Date of Patent: April 11, 1995Assignee: Eastman Kodak CompanyInventors: Wayne A. Bowman, Larry D. Hagemeier
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Patent number: 5393649Abstract: Thermally processable imaging elements in which the image is formed by imagewise heating or by imagewise exposure to light followed by uniform heating include an adhesive interlayer interposed between the imaging layer and a protective overcoat layer. The adhesive interlayer, which is comprised of a polymer having pyrrolidone functionality, strongly bonds the overcoat layer to the imaging layer.Type: GrantFiled: March 16, 1994Date of Patent: February 28, 1995Assignee: Eastman Kodak CompanyInventors: Charles L. Bauer, Wayne A. Bowman