Patents by Inventor Ingrid Geuens
Ingrid Geuens 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: 7153647Abstract: A black and white thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing at least one substantially light-insensitive organic silver salt, a binder and optionally photosensitive silver halide, characterized in that the thermosensitive element further contains deliberately added metal nano-particles in a molar ratio with respect to the total molar concentration of the at least one substantially light-insensitive organic silver salt in the range of 0.05:1 to 10?6:1; and the use for the purpose of increasing the ratio of Dmax to the quantity of said substantially light-insensitive organic silver salts per unit area of the above-mentioned thermographic recording material.Type: GrantFiled: May 18, 2004Date of Patent: December 26, 2006Assignee: Agfa GevaertInventors: Ingrid Geuens, Luc Verberckt, Ivan Hoogmartens, Frank DeVoeght, Iris Vanwelkenhuysen
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Patent number: 7060655Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one 2-mercapto-benzothiazole compound represented by formula (I): wherein R1, R2, R3 and R4 are independently hydrogen, an optionally substituted alkyl group, an optionally substituted aryl group, an alkoxy group, an ester group, a carbamate group, a carbonate group, a SO2R5 group, a —NR6R7 group, a nitro group, a cyano group, an acyl group, a halogen atom, an optionally alkyl or alkoxy-substituted —SO2NH-phenyl group, a perfluoro-alkyl group, a —CONHR8 group, a —NHOCR9 group, a —OCOOR10 group or a —NHCOOR11 group; R5, R9, R10 and R11 are independently an optionally substituted alkyl or an aryl group; R6, R7 and R8 are independently a hydrogen atom, an optionally substituType: GrantFiled: November 10, 2003Date of Patent: June 13, 2006Assignee: AGFA GevaertInventors: Ingrid Geuens, Johan Loccufier
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Patent number: 7045487Abstract: A black and white monosheet substantially light-insensitive thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is selected from compounds represented by formula (I): wherein R1 is an alkyl group optionally substituted with a hydroxy, carboxy, carboxy ester, acyl or carbonato group; X is S, O or N—R6; R6 is an optionally substituted alkyl group; R2, R3, R4 and R5 independently represent a hydrogen atom, a halogen atom or an alkyl, an alkoxy, a thio-alkoxy, a nitro, a cyano, a carboxy, a carboxy ester, an acyl, an aldehyde, an acylamido, a sulphonamido, an acylamino, a carbonato, a hydroxy or an aryl group or at least one of R2 and R3, R3 and R4 and R4 and R5 independently represent the atoms necessary to form a carbocyclic or hType: GrantFiled: December 18, 2003Date of Patent: May 16, 2006Assignee: AGFA GevaertInventors: Ingrid Geuens, Johan Loccufier, Vera Drieghe
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Patent number: 7033743Abstract: A substantially light-insensitive black and white monosheet thermographic recording material has a support and on one side of the support comprises a thermosensitive element, a barrier layer and an outermost protective layer, the thermosensitive element being exclusive of a high contrast agent and containing at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith, at least one toning agent and at least one binder, wherein the at least one reducing agent is an ortho-dihydroxy-benzene derivative and the barrier layer comprises a copolymer comprising vinyl chloride units and vinyl acetate and/or vinyl alcohol units, a copolymer comprising styrene units and acrylonitrile units, a copolymer comprising cationic units and/or a copolymer comprising styrene units and maleic acid units.Type: GrantFiled: December 16, 2003Date of Patent: April 25, 2006Assignee: Agfa GevaertInventors: Ingrid Geuens, Frank Loewet, Peter Michiels
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Patent number: 7018786Abstract: A black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is represented by formula (I): wherein R1 is a hydrogen atom or an alkyl, an alkenyl, an alkynyl, a cycloalkyl, an alkaryl, an aryl, a heterocyclic or a heteroaryl group all of which may be optionally substituted; with the proviso that R1 may not be a hydrogen atom if both R2 and R3 are both hydrogen atoms; R2 and R3 are independently a hydrogen or a halogen atom or an amino, amide, ester, carboxy, carbonate, alkyl, alkenyl, alkynyl, cycloalkyl, alkaryl, aryl, heterocyclic or heteroaryl group all of which may be optionally substituted; R2 and R3 may together represent the atoms necessary to complete a heteroaromatic ring with no more than one nitrogType: GrantFiled: December 16, 2003Date of Patent: March 28, 2006Assignee: AGFA GevaertInventors: Ingrid Geuens, Johan Loccufier, Vera Drieghe
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Publication number: 20060063670Abstract: A substantially light-insensitive thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one compound selected from the group consisting of mono-alkyl tetrachloro-phthalates, di-alkyl tetrachlorophthalates and N-(tetrachloro-phthalimyl)n-alkanes, wherein n is an integer greater than or equal to 1.Type: ApplicationFiled: September 6, 2005Publication date: March 23, 2006Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Johan Loccufier, Bart Waumans
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Publication number: 20050287482Abstract: A black and white thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing at least one substantially light-insensitive organic silver salt, a binder and optionally photosensitive silver halide, characterized in that the thermosensitive element further contains deliberately added metal nano-particles in a molar ratio with respect to the total molar concentration of the at least one substantially light-insensitive organic silver salt in the range of 0.05:1 to 10?6:1; and the use for the purpose of increasing the ratio of Dmax to the quantity of said substantially light-insensitive organic silver salts per unit area of the above-mentioned thermographic recording material.Type: ApplicationFiled: August 16, 2005Publication date: December 29, 2005Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Luc Verberckt, Ivan Hoogmartens, Frank De Voeght, Iris Vanwelkenhuysen
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Patent number: 6962773Abstract: A black and white thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing at least one substantially light-insensitive organic silver salt, a binder and optionally photosensitive silver halide, characterized in that the thermosensitive element further contains deliberately added metal nano-particles in a molar ratio with respect to the total molar concentration of the at least one substantially light-insensitive organic silver salt in the range of 0.05:1 to 10?6:1; and the use for the purpose of increasing the ratio of Dmax to the quantity of said substantially light-insensitive organic silver salts per unit area of the above-mentioned thermographic recording material.Type: GrantFiled: November 27, 2002Date of Patent: November 8, 2005Assignee: Agfa GevaertInventors: Ingrid Geuens, Luc Verberckt, Ivan Hoogmartens, Frank De Voeght, Iris Vanwelkenhuysen
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Publication number: 20050142506Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one mesionic 1,2,4-triazolium-3-thiolate compound.Type: ApplicationFiled: December 8, 2004Publication date: June 30, 2005Applicant: Agfa-GevaertInventors: Johan Loccufier, Ingrid Geuens
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Publication number: 20050136363Abstract: A black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one five-membered heterocyclic ring compound selected from the group consisting of optionally substituted, optionally annelated 1-thia-2,3-diazole compounds; optionally substituted, optionally annelated 1-thia-2,5-diazole compounds; optionally substituted 1-thia-2,4-diazole compounds; optionally substituted 1-thia-3,4-diazole compounds; optionally substituted thiatriazole compounds; optionally substituted, optionally annelated 1-seleno-2,3-diazole compounds; optionally substituted, optionally annelated 1-seleno-2,5-diazole compounds; optionally substituted 1-seleno-2,4-diazole compounds; optionally substituted 1-seleno-3,4-diazole compounds; and optionally substituted selenotriazole compounds, with the proviType: ApplicationFiled: November 30, 2004Publication date: June 23, 2005Applicant: Agfa-GevaertInventors: Ingrid Geuens, Johan Loccufier
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Patent number: 6908731Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-phenyl-5-mercaptotetrazole compounds in which the phenyl group is substituted with a substituent containing an optionally substituted aryl group; andType: GrantFiled: November 13, 2003Date of Patent: June 21, 2005Assignee: Agfa-GevaertInventors: Ingrid Geuens, Carlo Uyttendaele, Ivan Hoogmartens, Johan Loccufier
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Patent number: 6902880Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-(5-mercapto-1-tetrazolyl)-acetyl compounds represented by formula (I): wherein R1 is —NR2R3, —OR4 or an optionally substituted aryl or heteroaryl group; R2 is hydrogen or an optionally substituted alkyl, aryl or heteroaryl group; R3 is an optionally substituted aryl or heteroaryl group; and R4 is an optionally substituted aryl group; and compounds with two or more groups represented by formula (II): where Q comprises the necessary atoms to form a 5- or 6-membered unsaturated heterocyclic ring, A is hydrogen, a counterion to compensate the negative charge of the thiolate group or two or more A groups provide a linkiType: GrantFiled: November 10, 2003Date of Patent: June 7, 2005Assignee: AGFA-GevaertInventors: Ingrid Geuens, Johan Loccufier
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Publication number: 20040209189Abstract: A black and white thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing at least one substantially light-insensitive organic silver salt, a binder and optionally photosensitive silver halide, characterized in that the thermosensitive element further contains deliberately added metal nano-particles in a molar ratio with respect to the total molar concentration of the at least one substantially light-insensitive organic silver salt in the range of 0.05:1 to 10−6:1; and the use for the purpose of increasing the ratio of Dmax to the quantity of said substantially light-insensitive organic silver salts per unit area of the above-mentioned thermographic recording material.Type: ApplicationFiled: May 18, 2004Publication date: October 21, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Luc Verberckt, Ivan Hoogmartens, Frank De Voeght, Iris Vanwelkenhuysen
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Publication number: 20040152027Abstract: A black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is represented by formula (I): 1Type: ApplicationFiled: December 16, 2003Publication date: August 5, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Johan Loccufier, Vera Drieghe
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Publication number: 20040137387Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-(5-mercapto-1-tetrazolyl)-acetyl compounds represented by formula (I): 1Type: ApplicationFiled: November 10, 2003Publication date: July 15, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Johan Loccufier
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Publication number: 20040137388Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one 2-mercapto-benzothiazole compound represented by formula (I): 1Type: ApplicationFiled: November 10, 2003Publication date: July 15, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Johan Loccufier
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Publication number: 20040131982Abstract: A black and white monosheet substantially light-insensitive thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one toning agent, wherein the at least one toning agent is selected from compounds represented by formula (I): 1Type: ApplicationFiled: December 18, 2003Publication date: July 8, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Johan Loccufier, Vera Drieghe
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Publication number: 20040126719Abstract: A substantially light-insensitive black and white monosheet thermographic recording material has a support and on one side of the support comprises a thermosensitive element, a barrier layer and an outermost protective layer, the thermosensitive element being exclusive of a high contrast agent and containing at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith, at least one toning agent and at least one binder, wherein the at least one reducing agent is an ortho-dihydroxy-benzene derivative and the barrier layer comprises a copolymer comprising vinyl chloride units and vinyl acetate and/or vinyl alcohol units, a copolymer comprising styrene units and acrylonitrile units, a copolymer comprising cationic units and/or a copolymer comprising styrene units and maleic acid units.Type: ApplicationFiled: December 16, 2003Publication date: July 1, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Frank Louwet, Peter Michiels
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Publication number: 20040096788Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, a binder and at least one stabilizer selected from the group consisting of 1-phenyl-5-mercaptotetrazole compounds in which the phenyl group is substituted with a substituent containing an optionally substituted aryl group; and 1Type: ApplicationFiled: November 12, 2003Publication date: May 20, 2004Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Carlo Uyttendaele, Ivan Hoogmartens, Johan Loccufier
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Patent number: 6677274Abstract: A substantially light-insensitive thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element containing silver behenate including phase I silver behenate having an X-ray diffraction spectrum upon irradiation with a copper K&agr;1 X-ray source with Bragg angles 2&THgr; of 4.53°, 5.96-6.05°, 7.46-7.56°, 8.90-9.12°, 10.45-10.66°, 12.02-12.12°, 13.53-13.62°, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermographic recording material is capable upon thermal development of containing 1% of phase II silver behenate, having an X-ray diffraction spectrum upon irradiation with a copper K&agr;1 X-ray source with Bragg angles 2&THgr; of 5.34-5.78°, 6.12-6.41°, 7.68-7.79°, 8.30-8.59°, 9.36-9.84°, 10.6-10.96°, and/or phase III silver behenate phase, having an X-ray diffraction spectrum upon irradiation with a copper K&agr;1 X-ray source with Bragg angles 2&THgr; of 4.Type: GrantFiled: May 24, 2001Date of Patent: January 13, 2004Assignee: Agfa-GevaertInventors: Ingrid Geuens, Ivan Hoogmartens, Geert Defieuw