Patents by Inventor Carlo Uyttendaele

Carlo Uyttendaele 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).

  • Patent number: 7179768
    Abstract: A thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one toning agent represented by formula (I): wherein X represents the optionally substituted atoms necessary to form a 6-membered ring.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: February 20, 2007
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Johan Loccufier, Frank Louwet
  • Publication number: 20060100102
    Abstract: A compound represented by formula (I): wherein X is a carbonyl or sulfonyl group; R2 is an alkyl, alkaryl or aryl group; and R1 is an amino group or an N-alkyl-amino group if Y is a halogen atom, an alkyl group or a hydroxy group; and R1 is a halogen atom, an alkyl group or a hydroxy group if Y is an amino group or an N-alkyl-amino group; and a thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one compound represented by formula (I).
    Type: Application
    Filed: October 24, 2005
    Publication date: May 11, 2006
    Applicant: AGFA-GEVAERT
    Inventors: Carlo Uyttendaele, Frank Louwet, Johan Loccufier
  • Publication number: 20060100103
    Abstract: A thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one toning agent represented by formula (I): wherein X represents the optionally substituted atoms necessary to form a 6-membered ring.
    Type: Application
    Filed: October 24, 2005
    Publication date: May 11, 2006
    Applicant: AGFA-GEVAERT
    Inventors: Carlo Uyttendaele, Johan Loccufier, Frank Louwet
  • Patent number: 6908731
    Abstract: 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
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: June 21, 2005
    Assignee: Agfa-Gevaert
    Inventors: Ingrid Geuens, Carlo Uyttendaele, Ivan Hoogmartens, Johan Loccufier
  • Publication number: 20050003298
    Abstract: A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of the support a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith and at least one binder, the at least one binder comprising at least one first polymer consisting of vinyl aceto-acetal monomer units and optionally monomer units selected from the group consisting of vinyl alcohol, vinyl acetate and itaconic acid monomer units, wherein the weight ratio of the at least one binder to the light-insensitive silver salt(s) of a carboxylic acid in the thermosensitive element is greater than 1.6; and the at least one binder optionally contains less than 40% by weight of a second polymer consisting of vinyl butyral monomer units and optionally vinyl alcohol and/or vinyl acetate monomer units.
    Type: Application
    Filed: June 2, 2004
    Publication date: January 6, 2005
    Applicant: AGFA-GEVAERT
    Inventors: Carlo Uyttendaele, Ivan Hoogmartens, Huub Van Aert
  • Publication number: 20050003315
    Abstract: A substantially light-insensitive monosheet thermographic recording material comprising a support and on one side of the support a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive silver salt of a carboxylic acid, at least one reducing agent therefor in thermal working relationship therewith and at least one binder, the at least one binder comprising at least one first polymer consisting of vinyl aceto-acetal monomer units, vinyl butyral monomer units and monomer units selected from the group consisting of, vinyl alcohol, vinyl acetate and itaconic acid monomer units, wherein the weight ratio of the at least one binder to the light-insensitive silver salt(s) of a carboxylic acid in the thermosensitive element is greater than 1.5; and the at least one binder optionally contains less than 40% by weight of a second polymer consisting of vinyl butyral monomer units and optionally vinyl alcohol and/or vinyl acetate monomer units.
    Type: Application
    Filed: June 2, 2004
    Publication date: January 6, 2005
    Applicant: AGFA-GEVAERT
    Inventors: Carlo Uyttendaele, Ivan Hoogmartens, Huub Van Aert, Frank Louwet
  • Publication number: 20040096788
    Abstract: 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 1
    Type: Application
    Filed: November 12, 2003
    Publication date: May 20, 2004
    Applicant: AGFA-GEVAERT
    Inventors: Ingrid Geuens, Carlo Uyttendaele, Ivan Hoogmartens, Johan Loccufier
  • Patent number: 6686313
    Abstract: A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing a substantially light-insensitive organic silver salt and an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermographic recording material comprises a reaction product of an amino-group containing polymer and a compound according to formula (I): wherein each of R1, R2, R3 and R4 is independently hydrogen or an optionally substituted alkyl, aryl, heteroaryl, alkoxy or aryloxy group; L is a divalent linking group selected from the group consisting of oxygen and optionally substituted alkyl, aryl, heteroaryl, alkenyl and alkynyl groups; and m is either 0 or 1; and n is either 0 or 1; and a preparation process therefor.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: February 3, 2004
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Rene De Keyzer, Johan Loccufier, Ivan Hoogmartens
  • Publication number: 20020111270
    Abstract: A monosheet black and white substantially light-insensitive thermographic recording material comprising a thermosensitive element and a support, the thermosensitive element containing a substantially light-insensitive organic silver salt and an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermographic recording material comprises a reaction product of an amino-group containing polymer and a compound according to formula (I): 1
    Type: Application
    Filed: November 28, 2001
    Publication date: August 15, 2002
    Applicant: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Rene De Keyzer, Johan Loccufier, Ivan Hoogmartens
  • Patent number: 6348308
    Abstract: A substantially light-insensitive monosheet recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermosensitive element further contains an unsaturated carbocyclic or heterocyclic stabilizer compound substituted with a —SA group where A is hydrogen, a counterion to compensate the negative charge of the thiolate group or a group forming a symmetrical or an asymmetrical disulfide and the recording material is capable of producing prints with a numerical gradation value defined as the quotient of the fraction (2.5-0.1)/(E2.5-E0.1) greater than 2.3 , where E2.5 is the energy in Joule applied in a dot area of 87 &mgr;m×87 &mgr;m of the imaging layer that produces an optical density value of 2.5, and E0.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: February 19, 2002
    Assignee: Agfa-Gevaert
    Inventors: Johan Loccufier, David Terrell, Carlo Uyttendaele, Bartholomeus Horsten
  • Patent number: 6310001
    Abstract: A substantially light-insensitive thermographic recording material substantially exclusive of cationic surfactants in which at least one non-cationic surfactant is present, the thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein all the non-cationic surfactants present in the thermographic recording material together have a non-fluoro-halide ion concentration of 1500 ppm or less; and a process for the production thereof.
    Type: Grant
    Filed: September 15, 1998
    Date of Patent: October 30, 2001
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Jan Gilleir, Ingrid Geuens, Ivan Hoogmartens
  • Patent number: 6306572
    Abstract: A substantially light-insensitive black and white thermographic material including a support and a thermosensitive element, containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the binder is a water-dispersible film-forming polymer with covalently bonded moieties with one or more acid groups or anhydrides thereof and the thermographic material is thermally developable under substantially water-free conditions; and a process for producing the substantially light-insensitive black and white thermographic material comprising the steps of: producing an aqueous dispersion of the substantially light-insensitive organic silver salt; producing one or more aqueous coating compositions containing together the aqueous dispersion of the substantially light-insensitive organic silver salt, the reducing agent and the binder; and applying the one or more aqueous coating compositions to the support thereby forming after dry
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: October 23, 2001
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Huub Van Aert, Frank Louwet, Ivan Hoogmartens
  • Patent number: 6296999
    Abstract: A substantially light-insensitive black and white thermographic material comprising a polymeric or polymer-coated support, a subbing layer on the support and on the same side of the support as the subbing layer a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein the subbing layer contains a binder, less than 20% by weight of silica and covalently bonded acid groups in the binder, if present, are either substantially present as free acid or substantially present as acid salts and has a leachable non-fluoro-halide ion content into water at room temperature over a period of 120 minutes of less than 0.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: October 2, 2001
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Ingrid Geuens, Ivan Hoogmartens
  • Patent number: 6184179
    Abstract: A thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive silver salt of an organic carboxylic acid, a reducing agent therefor in thermal working relationship therewith and at least one proteinaceous binder, wherein the thermosensitive element contains between 700 ppm and 5 ppm of a non-fluoro-halide ion with respect to the proteinaceous binders in the thermosensitive element and the thermographic recording material is thermally developable under substantially water-free conditions; and a process for the production thereof.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: February 6, 2001
    Assignee: Agfa-Gevaert
    Inventors: Yvan Gilliams, Carlo Uyttendaele, Ingrid Geuens, Yvan Hoogmartens
  • Patent number: 6180165
    Abstract: A substantially light-insensitive thermographic recording material substantially exclusive of cationic surfactants in which at least one non-cationic surfactant is present, the thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein all the non-cationic surfactants present in the thermographic recording material together have a non-fluoro-halide ion concentration of 1500 ppm or less; and a process for the production thereof.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: January 30, 2001
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Jan Gilleir, Ingrid Geuens, Ivan Hoogmartens
  • Patent number: 6063559
    Abstract: A (photo)thermographic recording material according to the present invention comprising a thermosensitive element contains a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder (and optionally further including photosensitive silver halide), wherein the (photo)thermographic recording material is exclusive of polypyrrole/poly(styrene sulfonic acid) in an electrically-conductive layer and further contains a compound represented by formula (I) or a reaction product thereof with a polymer having active hydrogen atoms: ##STR1## where R.sup.1 and R.sup.3 independently represent hydrogen, a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; and R.sup.2 and R.sup.4 independently represent a hydroxyalkyl group, an alkoxyalkyl group, an alkyl group, a --(C.dbd.O)R.sup.5 group or an alkenyl group; or R.sup.1 and R.sup.2 together and R.sup.3 and R.sup.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: May 16, 2000
    Assignee: Agfa-Gevaert
    Inventors: Carlo Uyttendaele, Ivan Hoogmartens
  • Patent number: 5863859
    Abstract: A heat-sensitive recording material suited for use in direct thermal imaging, wherein said recording material comprises: (i) a layer (1) containing uniformly distributed in a film-forming water-insoluble resin binder a substantially light-insensitive organic metal salt, preferably a silver salt, and (ii) a layer (2) in direct contact with said layer (1) or in thermal working relationship therewith through the intermediary of a spacer layer (3), characterized in that said layer (2) contains, uniformly distributed in a film-forming water-soluble hydrophilic binder at least one organic reducing agent that is capable of diffusing out of said layer (2) into said layer (1) on heating said recording material, and is coated from an aqueous solution.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: January 26, 1999
    Assignee: Agfa-Gevaert N.V.
    Inventors: Herman Uytterhoeven, Leo Oelbrandt, Carlo Uyttendaele
  • Patent number: 5759752
    Abstract: A thermosensitive recording material suited for use in direct thermal imaging by means of an information-wise energized heating element, said recording material containing a thermosensitive recording layer of which the optical density is changed by heat, characterized in that said recording layer is coated with a protective transparent resin layer essentially consisting of a polycarbonate or copolycarbonate derived from one or more bisphenols, wherein at least 25 mole % of said bisphenols consists of a bis-(hydroxyphenyl)-cycloalkane corresponding to following general formula (I): ##STR1## wherein: each of R.sup.1, R.sup.2 , R.sup.3, and R.sup.4 (same or different) represents hydrogen, halogen, a C.sub.1 -C.sub.8 alkyl group, a substituted C.sub.1 -C.sub.8 alkyl group, a C.sub.5 -C.sub.6 cycloalkyl group, a substituted C.sub.5 -C.sub.6 cycloalkyl group, a C.sub.6 -C.sub.10 aryl group, a substituted C.sub.6 -C.sub.10 aryl group, a C.sub.7 -C.sub.12 aralkyl group, or a substituted C.sub.7 -C.sub.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: June 2, 1998
    Assignee: AGFA-Gevaert N.V.
    Inventors: Carlo Uyttendaele, Geert Defieuw
  • Patent number: 5621449
    Abstract: An ink jet recording method comprising the steps of:(1) image-wise projecting liquid, called ink, in the form of droplets onto a receiving material containing a substance that by chemically reacting with another substance contained in said droplets is capable of forming a visually detectable product, characterized in that according to a first mode said receiving material contains at least one substantially light-insensitive organic silver salt and said ink contains a reducing agent for said silver salt, and according to a second mode said receiving material contains said reducing agent and the ink contains said silver salt, and optionally(2) heating said receiving material during and/or after the deposition of said ink on said receiving material to start or enhance reduction of said silver salt(s) forming thereby image-wise a deposit of silver metal in said receiving material.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: April 15, 1997
    Assignee: AGFA-Gevaert, N.V.
    Inventors: Luc Leenders, Carlo Uyttendaele, Herman Uytterhoeven
  • Patent number: 5595854
    Abstract: A method is disclosed for the formation of a heat mode image comprising the steps of (i) bringing in close contact a donor element, containing a reducing agent and an radiation to heat converting compound, and an acceptor element, containing a reducible organic silver salt, (ii) exposing this assemblage information-wise by intense infra-red laser radiation, (iii) peeling apart the elements and (iiii) optionally overall heating the separated acceptor element.In a preferred embodiment the laser is an infra-red laser and the radiation to heat converting compound is an infra-red absorbing compound.In an alternative embodiment the radiation to heat converting compound is incorporated in the acceptor.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: January 21, 1997
    Assignee: Agfa-Gevaert N.V.
    Inventors: Luc Leenders, Herman Uytterhoeven, Rita Torfs, Leo Oelbrandt, Carlo Uyttendaele, Jan Van den Bogaert