Patents by Inventor Paul Gevaert
Paul Gevaert 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: 11708493Abstract: Provided in the invention is an adhesion promoter (AP) that is the reaction product of: (i-1) at least one hydroxyl functional (meth)acrylated compound bearing at least two (meth)acryloyl groups, (i-2) optionally, at least one hydroxyl functional (meth)acrylated compound bearing one (meth)acryloyl group (ii), at least one titanium orthoester (ii-a) and/or at least one zirconium orthoester (ii-b), and, (iii) optionally, at least one other compound (iii) that is capable to react with hydroxyl groups. Materials of the invention are suitable for use in coating compositions, inks, paints, varnishes (including overprint varnishes), adhesives (including laminating adhesives), for the making of composites, molding compositions or 3D articles. Materials of the invention are suitable for use in inks and coating compositions (clear or pigmented).Type: GrantFiled: November 20, 2018Date of Patent: July 25, 2023Assignee: ALLNEX BELGIUM S.A.Inventors: Hugues Van Den Bergen, Paul Gevaert, Stephan Peeters
-
Patent number: 11267949Abstract: The present invention relates to a process for preparing a polyester (meth)acrylate resin (I), said process comprising the steps of: (a) Reacting a thermoplastic polyester with (a1) at least one polyhydric alcohol and, optionally, with (a2) at least one triglyceride, wherein the molar ratio of triglyceride to thermoplastic polyester is between 0 and 0.3, and the molar ratio of polyhydric alcohol to thermoplastic polyester is at most 1.9 to obtain a depolymerization product A that has a hydroxyl number within the range of from 200 to 800 mg KOH/g; (b) Reacting the depolymerization product A with (b1) at least one fatty acid and/or (b2) at least one polybasic carboxylic acid and, optionally, with (b3) at least one polyhydric alcohol to provide a polyester polyol B; (c) Reacting the polyester polyol B with (c) at least one (meth)acrylating compound to provide a (meth)acrylated compound (I), wherein the weight ratio of fatty acid (b1) to the depolymerization product A is between 0 and 0.Type: GrantFiled: January 28, 2021Date of Patent: March 8, 2022Assignee: ALLNEX BELGIUM S.A.Inventors: Hugues Van Den Bergen, Paul Gevaert, Stephan Peeters
-
Publication number: 20210147651Abstract: The present invention relates to a process for preparing a polyester (meth)acrylate resin (I), said process comprising the steps of: (a) Reacting a thermoplastic polyester with (a1) at least one polyhydric alcohol and, optionally, with (a2) at least one triglyceride, wherein the molar ratio of triglyceride to thermoplastic polyester is between 0 and 0.3, and the molar ratio of polyhydric alcohol to thermoplastic polyester is at most 1.9 to obtain a depolymerization product A that has a hydroxyl number within the range of from 200 to 800 mg KOH/g; (b) Reacting the depolymerization product A with (b1) at least one fatty acid and/or (b2) at least one polybasic carboxylic acid and, optionally, with (b3) at least one polyhydric alcohol to provide a polyester polyol B; (c) Reacting the polyester polyol B with (c) at least one (meth)acrylating compound to provide a (meth)acrylated compound (I), wherein the weight ratio of fatty acid (b1) to the depolymerization product A is between 0 and 0.Type: ApplicationFiled: January 28, 2021Publication date: May 20, 2021Applicant: ALLNEX Belgium S.A.Inventors: Hugues VAN DEN BERGEN, Paul GEVAERT, Stephan PEETERS
-
Patent number: 10941271Abstract: The present invention relates to a process for preparing a polyester (meth)acrylate resin (I), said process comprising the steps of: (a) Reacting a thermoplastic polyester with (a1) at least one polyhydric alcohol and, optionally, with (a2) at least one triglyceride, wherein the molar ratio of triglyceride to thermoplastic polyester is between 0 and 0.3, and the molar ratio of polyhydric alcohol to thermoplastic polyester is at most 1.9 to obtain a depolymerization product A that has a hydroxyl number within the range of from 200 to 800 mg KOH/g; (b) Reacting the depolymerization product A with (b1) at least one fatty acid and/or (b2) at least one polybasic carboxylic acid and, optionally, with (b3) at least one polyhydric alcohol to provide a polyester polyol B; (c) Reacting the polyester polyol B with (c) at least one (meth)acrylating compound to provide a (meth)acrylated compound (I), wherein the weight ratio of fatty acid (b 1) to the depolymerization product A is between 0 and 0.Type: GrantFiled: July 10, 2017Date of Patent: March 9, 2021Assignee: ALLNEX BELGIUM S.A.Inventors: Hugues Van Den Bergen, Paul Gevaert, Stephan Peeters
-
Publication number: 20200308417Abstract: Provided in the invention is an adhesion promoter (AP) that is the reaction product of: (i-1) at least one hydroxyl functional (meth)acrylated compound bearing at least two (meth)acryloyl groups, (i-2) optionally, at least one hydroxyl functional (meth)acrylated compound bearing one (meth)acryloyl group (ii), at least one titanium orthoester (ii-a) and/or at least one zirconium orthoester (ii-b), and, (iii) optionally, at least one other compound (iii) that is capable to react with hydroxyl groups. Materials of the invention are suitable for use in coating compositions, inks, paints, varnishes (including overprint varnishes), adhesives (including laminating adhesives), for the making of composites, molding compositions or 3D articles. Materials of the invention are suitable for use in inks and coating compositions (clear or pigmented).Type: ApplicationFiled: November 20, 2018Publication date: October 1, 2020Applicant: ALLNEX BELGIUM S.A.Inventors: Hugues VAN DEN BERGEN, Paul GEVAERT, Stephan PEETERS
-
Publication number: 20190153191Abstract: The present invention relates to a process for preparing a polyester (meth)acrylate resin (I), said process comprising the steps of: (a) Reacting a thermoplastic polyester with (a1) at least one polyhydric alcohol and, optionally, with (a2) at least one triglyceride, wherein the molar ratio of triglyceride to thermoplastic polyester is between 0 and 0.3, and the molar ratio of polyhydric alcohol to thermoplastic polyester is at most 1.9 to obtain a depolymerization product A that has a hydroxyl number within the range of from 200 to 800 mg KOH/g; (b) Reacting the depolymerization product A with (b1) at least one fatty acid and/or (b2) at least one polybasic carboxylic acid and, optionally, with (b3) at least one polyhydric alcohol to provide a polyester polyol B; (c) Reacting the polyester polyol B with (c) at least one (meth)acrylating compound to provide a (meth)acrylated compound (I), wherein the weight ratio of fatty acid (b 1) to the depolymerization product A is between 0 and 0.Type: ApplicationFiled: July 10, 2017Publication date: May 23, 2019Applicant: ALLNEX Belgium S.A.Inventors: Hugues VAN DEN BERGEN, Paul GEVAERT, Stephan PEETERS
-
Patent number: 10189930Abstract: The present invention relates to radiation curable compositions (A) comprising—(a) at least one photoinitiator compound of formula (I) wherein Q is the residue of a hydroxy compound having 1 to 6 hydroxyl groups, and wherein x is a number that is at least 1 but no greater than the number of hydroxyl groups originally present in said hydroxy compound;—(b) at least one ethylenically unsaturated compound selected from monomers (b1) and/or from oligomers (b2); and—(c) optionally, at least one co-synergist which preferably is an amino co-synergist. The present invention further relates to photoinitiator compounds(a) and their preparation.Type: GrantFiled: July 23, 2013Date of Patent: January 29, 2019Assignee: ALLNEX BELGIUM S.A.Inventors: Hugues Van Den Bergen, Paul Gevaert, Steven Cappelle
-
Patent number: 10005717Abstract: A compound obtained by reaction of one or more amines of general formula NHR6R7 with a benzophenone derivative of the following general formula (IX) wherein M is a group comprising a number z of (meth)acrylate groups equal to at least one, L is a linker, G is linker comprising a number p? of unreacted hydroxyl groups, and R, R? and R?? are optional substituents as well as inks, coating compositions and adhesives comprising the same.Type: GrantFiled: December 18, 2012Date of Patent: June 26, 2018Assignee: ALLNEX BELGIUM S.A.Inventors: Paul Gevaert, Steven Cappelle, Hugues Van Den Bergen, Ram Gupta
-
Patent number: 10000446Abstract: A compound obtained by reaction of one or more amines of the general formula NHR6R7 with a compound of the following general formula (IX): wherein, PI is a photoinitiator derivative, G is linker comprising a number p? of unreacted hydroxyl groups, M is a group comprising a number z of (meth)acrylate groups equal to at least one, as well as inks, coating compositions and adhesives comprising the same.Type: GrantFiled: December 18, 2012Date of Patent: June 19, 2018Assignee: ALLNEX BELGIUM S.A.Inventors: Paul Gevaert, Steven Cappelle, Hugues Van Den Bergen, Ram Gupta
-
Publication number: 20170088724Abstract: The present invention provides for a radiation curable composition comprising at least one ethylenically unsaturated compound (A), and at least one inert copolymer (B) that is obtained by an addition reaction of: (b) from 3 to 50% by weight of at least one monofunctional glycidyl ether (b1) and/or at least one monofunctional glycidyl ester (b2) of aliphatic saturated monocarboxylic acids during the free radical polymerization of: (b?) from 50 to 97% by weight of at least two ethylenically unsaturated copolymerizable monomers of which at least one contains at least one —COOH group (b?1), wherein the quantity of —COOH groups in component (b?1) is at least equimolar to the quantity of epoxy groups in component (b), and wherein the amount of solvents in the radiation curable composition of the invention is below 10% by weight. The present invention further relates to their making and their use in coating compositions, adhesives, inks and varnishes.Type: ApplicationFiled: March 16, 2015Publication date: March 30, 2017Applicants: Allnex Belgium SA, Allnex Austria GmbHInventors: Steven CAPPELLE, Paul GEVAERT, Luc DE WAELE, Johann BILLIANI
-
Patent number: 9540310Abstract: The present invention relates to a (meth)acrylated compound (A) prepared from: (i) a polyol constituent, (ii) a polyacid constituent and (iii) one or more (meth)acrylating compounds, wherein the polyol constituent comprises at least 30% by weight of one or more cyclic ether polyols, relative to the total weight of the polyol constituent, and wherein the compound (A) optionally further contains one or more moieties selected from the group consisting of (poly)caprolactone-containing moieties (ai), (poly)lactide- and/or (poly)glycolide-containing moieties (aii), moieties providing epoxide groups (aiii) and moieties providing alkylene oxide groups containing from 2 to 4 carbon atoms (aiv). The compounds of the invention are in particular suited for the making of radiation curable coating compositions and inks less prone to migration.Type: GrantFiled: March 22, 2013Date of Patent: January 10, 2017Assignee: ALLNEX BELGIUM S.A.Inventors: Luc Lindekens, Thierry Randoux, Ruben Cleymans, Paul Gevaert
-
Publication number: 20160130380Abstract: The present invention relates to radiation curable compositions (A) comprising—(a) at least one photoinitiator compound of formula (I) wherein Q is the residue of a hydroxy compound having 1 to 6 hydroxyl groups, and wherein x is a number that is at least 1 but no greater than the number of hydroxyl groups originally present in said hydroxy compound;—(b) at least one ethylenically unsaturated compound selected from monomers (b1) and/or from oligomers (b2); and—(c) optionally, at least one co-synergist which preferably is an amino co-synergist. The present invention further relates to photoinitiator compounds(a) and their preparation.Type: ApplicationFiled: July 23, 2013Publication date: May 12, 2016Applicant: Allnex Belgium S.A.Inventors: Hugues VAN DEN BERGEN, Paul GEVAERT, Steven CAPPELLE
-
Publication number: 20140364530Abstract: The present invention relates to a (meth)acrylated compound (A) prepared from: (i) a polyol constituent, (ii) a polyacid constituent and (iii) one or more (meth)acrylating compounds, wherein the polyol constituent comprises at least 30% by weight of one or more cyclic ether polyols, relative to the total weight of the polyol constituent, and wherein the compound (A) optionally further contains one or more moieties selected from the group consisting of (poly)caprolactone-containing moieties (ai), (poly)lactide- and/or (poly)glycolide-containing moieties (aii), moieties providing epoxide groups (aiii) and moieties providing alkylene oxide groups containing from 2 to 4 carbon atoms (aiv). The compounds of the invention are in particular suited for the making of radiation curable coating compositions and inks less prone to migration.Type: ApplicationFiled: March 22, 2013Publication date: December 11, 2014Inventors: Luc Lindekens, Thierry Randouz, Ruben Cleymans, Paul Gevaert
-
Publication number: 20140335327Abstract: A compound obtained by reaction of one or more amines of the general formula NHR6R7 with a compound of the following general formula (IX) Wherein PI is a photoinitiator derivative, G is linker comprising a number p? of unreacted hydroxyl groups, M is a group comprising a number z of (meth)acrylate groups equal to at least one, as well as inks, coating compositions and adhesives comprising the same.Type: ApplicationFiled: December 18, 2012Publication date: November 13, 2014Inventors: Paul Gevaert, Steven Cappelle, Hugues Van Den Bergen, Ram Gupta
-
Publication number: 20140335326Abstract: A compound obtained by reaction of one or more amines of general formula NHR6R7 with a benzophenone derivative of the following general formula (IX) wherein M is a group comprising a number z of (meth)acrylate groups equal to at least one, L is a linker, G is linker comprising a number p? of unreacted hydroxyl groups, and R, R? and R?? are optional substituents as well as inks, coating compositions and adhesives comprising the same.Type: ApplicationFiled: December 18, 2012Publication date: November 13, 2014Applicant: Allnex Belgium S.A.Inventors: Paul Gevaert, Steven Cappelle, Hugues Van Den Bergen, Ram Gupta
-
Publication number: 20140004267Abstract: The present invention relates radiation curable composition comprising at least one ethylenically unsaturated compound (A); at least one inert polyester resin (B); and at least one inert resin (C) different from (B). These present invention further relates to their preparation and their uses, especially in inks.Type: ApplicationFiled: March 30, 2012Publication date: January 2, 2014Inventors: Hugues Van Den Hugues, Paul Gevaert, Graham Clark, Luc De Waele
-
Publication number: 20140005291Abstract: The present invention relates to a radiation curable composition comprising at least one ethylenically unsaturated compound (A) and at least one inert OH-terminated polyester (B) prepared from a polyol component that comprises ethylene glycol and from a polycarboxy component that comprises phthalic acid and/or phthalic anhydride. These polyesters can be further modified to bear moieties comprising photo-initiating activity. The present invention further relates to their preparation and their use in for instance lithographic and flexographic applications.Type: ApplicationFiled: March 30, 2012Publication date: January 2, 2014Inventors: Hugues Van Den Bergen, Paul Gevaert, Luc De Waele, Luc Lindekens
-
Patent number: 7423092Abstract: The present invention relates to radiation-curable compositions useful as ink vehicles or inks, in particular UV-curable inks, such as UV-litho inks, comprising a (meth)acrylated styrene allyl alcohol copolymer obtained from the (meth)acrylation of a styrene allyl alcohol (SAA) copolymer with (meth)acrylic acid and/or one or more alkyl(meth)acrylates, and at least one alkoxylated acrylated monomer.Type: GrantFiled: August 26, 2004Date of Patent: September 9, 2008Assignee: Cytec Surface Specialties, SAInventors: Isabelle Fallais, Luc Lindekens, Paul Gevaert
-
Publication number: 20060183868Abstract: The present invention relates to radiation-curable compositions useful as ink vehicles or inks, in particular UV-curable inks, such as UV-litho inks, comprising a (meth)acrylated styrene allyl alcohol copolymer obtained from the (meth)acrylation of a styrene allyl alcohol (SAA) copolymer with (meth)acrylic acid and/or one or more alkyl(meth)acrylates, and at least one alkoxylated acrylated monomer.Type: ApplicationFiled: August 26, 2004Publication date: August 17, 2006Applicant: SURFACE SPECIALTIES, S.A.Inventors: Isabelle Fallais, Luc Lindekens, Paul Gevaert