Patents by Inventor Jos Louwet
Jos Louwet 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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Publication number: 20250073176Abstract: A capsule consisting of a polymeric shell surrounding a core, the core comprises an organic compound, the polymeric shell comprises a poly(amino acid) and is obtainable by interfacial polymerization of a N-carboxy-anhydride monomer according to general structure (I). The organic compound is a marine oil, a vegetable oil, an essential oil, a fragrance, a flavour, an insect repellent, a flame retardant, an active pharmaceutical ingredient or an agrochemical.Type: ApplicationFiled: March 14, 2022Publication date: March 6, 2025Applicant: AGFA-GEVAERT NVInventors: Johan Loccufier, Jos Louwet
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Patent number: 12195631Abstract: An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising 2 functional groups selected from the group of functional groups —X—C(?O)—CHR1-C(?O)—R2, —X—C(?O)—C?C—R2; or —X—C(?O)—CR1?CR2-NR11 R12, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims, with a compound B comprising at least two —NH2, —NH3+ or —N?C?O, with a crosslinking agent C. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous ink jet ink comprising the resin particles.Type: GrantFiled: November 25, 2019Date of Patent: January 14, 2025Assignee: Agfa-Gevaert NVInventors: Johan Loccufier, Ellen Bertels, Jos Louwet
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Publication number: 20240374762Abstract: A composite resin particle comprising a near infrared absorber according to general formula I and a resin selected from the group consisting of (poly(amino acids), polyphosphazenes, poly saccahride derivatives, poly(esters), poly(ortho esters), poly(cyano-acry lates) and copolymers thereof (General formula (I)). The composite resin particles are suitable for opto-medical applications such as phototherapies including photothermal therapy (PTT), photodynamic therapy (PDT), chemo-photodynamic nanotherapeutics and fluorescence medical imaging.Type: ApplicationFiled: March 30, 2022Publication date: November 14, 2024Applicant: AGFA-GEVAERT NVInventors: Johan Loccufier, Jos Louwet
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Publication number: 20230174804Abstract: An aqueous inkjet ink comprises a compound functionalized with at least two functional groups selected from the group consisting of a primary amine and a secondary amine, a colorant and a polymeric particle comprising an oligomer or polymer having at least 3 repeating units comprising a functional group according to general formula I, II or III general formula I general formula II general formula IIIType: ApplicationFiled: April 26, 2021Publication date: June 8, 2023Applicant: AGFA NVInventors: Johan Loccufier, Jos Louwet
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Publication number: 20230167324Abstract: An ink set for inkjet printing comprising an aqueous liquid containing an organic resin particle comprising a first resin having at least one repeating unit functionalized with a primary amine and an aqueous inkjet ink containing a colorant and a second resin capable of reacting with the primary amine functional group of the first resin.Type: ApplicationFiled: April 26, 2021Publication date: June 1, 2023Applicant: AGFA NVInventors: Johan Loccufier, Jos Louwet, Luc Decoster
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Publication number: 20230167319Abstract: A fluid set for inkjet printing comprising a fluid comprising a compound functionalized with at least two functional groups being of a primary amine or a secondary amine, and an aqueous inkjet ink comprising a colorant and a polymeric particle comprising an oligomer or polymer having at least 3 repeating units comprising a functional group according to general formula I, II or III. The fluid is preferably a pre-treatment liquid or over coat liquid.Type: ApplicationFiled: April 26, 2021Publication date: June 1, 2023Applicant: AGFA NVInventors: Johan Loccufier, Jos Louwet
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Patent number: 11376836Abstract: A negative-working lithographic printing plate precursor includes a coating including vinylogous vitrimer particles.Type: GrantFiled: July 12, 2018Date of Patent: July 5, 2022Assignee: AGFA NVInventors: Thomas Billiet, Tim Desmet, Jos Louwet, Kristof Heylen
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Publication number: 20220049116Abstract: An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising 2 functional groups selected from the group of functional groups —X—C(=0)-CHR1-C(=0)-R2, —X—C(=0)-C?C—R2; or —X—C(=0)-CR1=CR2-NR11 R12, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims, with a compound B comprising at least two —NH2, —NH3+ or —N?C=0, with a crosslinking agent C. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous ink jet ink comprising the resin particles.Type: ApplicationFiled: November 25, 2019Publication date: February 17, 2022Inventors: Johan Loccufier, Ellen Bertels, Jos Louwet
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Publication number: 20220041878Abstract: An aqueous dispersion of particles comprising a resin having at least one repeating unit of formula I, II and/or III and which is obtainable by contacting in a liquid comprising water, a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(?O)—CHR1-C(?O)—R2, —X—C(?O)—C?C—R2; or —X—C(?O)—CR1=CR2-NR11R12, the functional groups are linked by a linking group comprising a polyester, polyether, polyolefin, polydimethylsiloxane or polycarbonate chain with a compound B comprising at least two —NH2, —NH3+ or —N?C?O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and w. The invention also includes a method of producing the aqueous dispersion.Type: ApplicationFiled: November 26, 2019Publication date: February 10, 2022Inventors: Hubertus Van Aert, Johan Loccufier, Jos Louwet
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Publication number: 20210354439Abstract: A negative-working lithographic printing plate precursor includes a coating including vinylogous vitrimer particles.Type: ApplicationFiled: July 12, 2018Publication date: November 18, 2021Inventors: Thomas BILLIET, Tim DESMET, Jos LOUWET, Kristof HEYLEN
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Patent number: 8178282Abstract: A heat-sensitive imaging element includes an IR dye, and more particularly a heat-sensitive lithographic printing plate precursor includes the IR dye. A method for making the lithographic printing plate produces a print-out image of high contrast upon exposure to IR-radiation or heating.Type: GrantFiled: June 20, 2006Date of Patent: May 15, 2012Assignee: Agfa Graphics NVInventors: Paul Callant, Hieronymus Andriessen, Alexander Williamson, Christel Geukens, Jos Louwet
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Patent number: 8148042Abstract: A heat-sensitive imaging element includes an IR dye having a structure according to Formula I, wherein at least one of the Rd groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-donor than the Rd; or wherein at least one of the Ra groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-acceptor than the Ra. The imaging element is able to form a visible print-out image with a high contrast directly after image-wise exposure by IR-radiation or heating.Type: GrantFiled: June 19, 2006Date of Patent: April 3, 2012Assignee: Agfa Graphics NVInventors: Paul Callant, Hieronymus Andriessen, Alex Williamson, Christel Geukens, Jos Louwet
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Publication number: 20100274023Abstract: The present invention provides new intermediate compounds enabling the preparation of N-meso substituted cyanine, merocyanine or oxonole dyes wherein the N-meso substituent comprises electron withdrawing groups and wherein such N-meso substituents are introduced at the intermediate level. These intermediates enable the formation of dyes having in the meso-position N-substituents comprising electron withdrawing groups without the need for further derivatization of the meso-substituent at the dye level.Type: ApplicationFiled: December 18, 2008Publication date: October 28, 2010Applicant: Agfa Graphics NVInventors: Paul Callant, Jos Louwet
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Publication number: 20100221662Abstract: A heat-sensitive imaging element includes an IR dye having a structure according to Formula I, wherein at least one of the Rd groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-donor than the Rd; or wherein at least one of the Ra groups is a group which is transformed by a chemical reaction, induced by exposure to IR-radiation or heat, into a group which is a stronger electron-acceptor than the Ra. The imaging element is able to form a visible print-out image with a high contrast directly after image-wise exposure by IR-radiation or heating.Type: ApplicationFiled: June 19, 2006Publication date: September 2, 2010Applicant: AGFA GRAPHICS NVInventors: Paul Callant, Hieronymus Andriessen, Alex Williamson, Christel Geukens, Jos Louwet
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Publication number: 20100040976Abstract: A heat-sensitive imaging element includes an IR dye, and more particularly a heat-sensitive lithographic printing plate precursor includes the IR dye. A method for making the lithographic printing plate produces a print-out image of high contrast upon exposure to IR-radiation or heating.Type: ApplicationFiled: June 20, 2006Publication date: February 18, 2010Applicant: AGFA GRAPHICS NVInventors: Paul Callant, Hieronymus Andriessen, Alexander Williamson, Christel Geukens, Jos Louwet