Patents by Inventor Roland Claes

Roland Claes 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).

  • Publication number: 20200031153
    Abstract: The present invention is directed to a method of inkjet printing an image on a glass container comprising the steps of: a) manufacturing a glass container having a CEC layer; b) removing at least part of the CEC layer to a level wherein the remaining CEC layer has a thickness of less than 20 nm by washing the CEC from the glass container with an aqueous solution containing non-ionic surfactant, rinsing with water and blowing the water from the container by means of a pressurized air stream, c) inkjet printing an image on the glass container.
    Type: Application
    Filed: March 16, 2018
    Publication date: January 30, 2020
    Inventors: Marin STEENACKERS, Roel DE MONDT, Johan VAN DE VELDE, Jonas VANDECRUYS, Yolanda JUSTO, Roland CLAES
  • Patent number: 9796865
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: October 24, 2017
    Assignee: AGFA GRAPHICS NV
    Inventors: Roland Claes, Johan Loccufier
  • Patent number: 9416287
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; and a polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 selected from the group consisting of a vinlyether group, an allylether group, and a allylester group; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: August 16, 2016
    Assignee: AGFA GRAPHICS NV
    Inventors: Johan Loccufier, Roland Claes
  • Patent number: 9249321
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; and a polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 selected from the group consisting of a vinlyether group, an allylether group, and a allylester group; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: February 2, 2016
    Assignee: AGFA GRAPHICS NV
    Inventors: Johan Loccufier, Roland Claes
  • Publication number: 20150050427
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Application
    Filed: October 29, 2014
    Publication date: February 19, 2015
    Inventors: Roland CLAES, Johan LOCCUFIER
  • Patent number: 8940811
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: January 27, 2015
    Assignee: Agfa Graphics NV
    Inventors: Roland Claes, Johan Loccufier
  • Patent number: 8563624
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: October 22, 2013
    Assignee: Agfa Graphics NV
    Inventors: Roland Claes, Johan Loccufier
  • Patent number: 8536217
    Abstract: A polymerizable Norrish Type II photoinitiator according to Formula (I): Radiation curable compositions and inkjet inks containing the polymerizable Norrish Type II photoinitiator of Formula (I) exhibit improved compatibility with and solubility in radiation curable compositions and inkjet inks, and exhibit low extractable amounts of the photoinitiator and its residues after curing.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: September 17, 2013
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Roland Claes, Jaymes Van Luppen
  • Publication number: 20130236654
    Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.
    Type: Application
    Filed: April 25, 2013
    Publication date: September 12, 2013
    Applicant: AGFA GRAPHICS NV
    Inventors: Roland CLAES, Johan LOCCUFIER
  • Patent number: 8530510
    Abstract: A polymerizable Norrish Type II photoinitiators includes an optionally substituted benzophenone group or an optionally substituted thioxanthone group exhibiting improved compatibility with and solubility in radiation curable compositions. Radiation curable compositions and inkjet inks can contain these polymerizable Norrish Type II photoinitiators, exhibiting low extractable amounts of the photoinitiators and their residues after curing.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: September 10, 2013
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Roland Claes, Jaymes Van Luppen
  • Patent number: 8492452
    Abstract: A polymerizable photoinitiator is represented by Formula (I): wherein R1, R2 and R3 are independently selected from the group consisting of a hydrogen, an optionally substituted alkyl group and an optionally substituted aryl group or R1 and R3 represent the necessary atoms to form a five to eight membered ring; p, w, y and z are all integers with y representing a value 1 to 6; p representing the sum of w and z; p representing a value of 1 to 6; w=1 to (p?z) and z=0 to (p?w); L represents an optionally substituted (p+y)-valent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, an allyl ester group and a vinyl ester group; and X represents a photoinitiating moiety including at least one group capable of initiating a free radical p
    Type: Grant
    Filed: December 1, 2009
    Date of Patent: July 23, 2013
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Luc Van Maele, Jaymes Van Luppen, Roland Claes
  • Patent number: 8372913
    Abstract: An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: February 12, 2013
    Assignee: Agfa Graphics NV
    Inventor: Roland Claes
  • Patent number: 8344038
    Abstract: A liquid radiation curable composition for inkjet printing includes a photoinitiating system consisting of one or more diffusion hindered photoinitiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric or polymeric initiators, and polymerizable initiators, and one or more polymerizable co-initiators, wherein at least one of the polymerizable co-initiators is a polymerizable aromatic tertiary amine. Inkjet inks, an inkjet printing process, and packaging materials may include the liquid radiation curable composition.
    Type: Grant
    Filed: September 1, 2008
    Date of Patent: January 1, 2013
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Roland Claes
  • Patent number: 8338499
    Abstract: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator characterized in that said co-initiator is represented by Formula I, wherein MA is the residue of a mono- or oligofunctional Michael acceptor; L is a divalent linking group positioning the two tertiary amines in a 1-3 to 1-10 position, with the proviso that both amines are aliphatic; R1, R2 and R3 independently represent an optionally substituted alkyl group, an optionally substituted alkenyl group , an optionally substituted alkynyl group or an optionally substituted (hetero) alkaryl group; any two of R1, R2 and R3 may represent the necessary atoms to form a ring; any two of R1, R2 and R3 may represent the necessary atoms to form a ring with any of the atoms of the linking group L; n is an integer ranging from 1 to 6.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: December 25, 2012
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Roland Claes, Jaymes Van Luppen
  • Patent number: 8197584
    Abstract: A curable pigment inkjet ink set includes a cyan inkjet ink, a yellow inkjet ink, and a magenta inkjet ink, wherein the yellow inkjet ink having ABS(Y)momo <5 and ABS(Y)400-500>60 includes one or more yellow pigments; the cyan inkjet ink includes one or more ?-copper phthalocyanine pigments; and the magenta inkjet ink contains a mixed crystal including a first quinachdone and a second quinacridone in a ratio of the first quinacridone over the second quinacridone such that ABS(M)500-530>20 and ABS(M)500-600 >60. ABS(Y)500-530 represents the absorbance of the yellow inkjet ink between 500 and 530 nm; ABS(M)500-530 represents the absorbance of the magenta inkjet ink between 500 and 530 nm; ABS(Y)400-500 represents the absorbance ot the yellow inkjet ink between 400 and 500 nm; and ABS(M)500-600 represents the absorbance of the magenta inkjet ink between 500 and 600 nm.
    Type: Grant
    Filed: October 2, 2007
    Date of Patent: June 12, 2012
    Assignee: Agfa Graphics NV
    Inventors: Roland Claes, Geert Deroover
  • Publication number: 20120108746
    Abstract: An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method.
    Type: Application
    Filed: December 7, 2011
    Publication date: May 3, 2012
    Applicant: AGFA GRAPHICS NV
    Inventor: Roland Claes
  • Patent number: 8133551
    Abstract: An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: March 13, 2012
    Assignee: Agfa Graphics NV
    Inventor: Roland Claes
  • Patent number: 8110610
    Abstract: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, characterized in that said co-initiator is a oligomer or polymer having a repeating unit, said repeating unit comprising at least two tertiary amines, and said polymer being prepared by the polycondensation of di- or oligofunctional Michael acceptors with mono- or oligofunctional aliphatic primary amines or with di- or oligofunctional aliphatic secondary amines or with a mixture thereof.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: February 7, 2012
    Assignee: Agfa Graphics N.V.
    Inventors: Johan Loccufier, Roland Claes
  • Patent number: 8083338
    Abstract: A radiation-curable ink-jet black ink is provided which includes a black pigment, at least one colour pigment and at least one radiation-curable compound. An ink-jet ink set which includes the radiation-curable ink-jet black ink and a process for printing with such an ink-jet ink set are also disclosed. Image quality defects of noticeable chromatic variation in adjacent print patches of bi-directional printing are eliminated and reduced ink consumption is observed.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: December 27, 2011
    Assignee: Agfa Graphics N.V.
    Inventors: Roland Claes, Geert Deroover, Frank De Voeght
  • Patent number: 8063115
    Abstract: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, wherein said co-initiator has a structure according to Formula I A-L-B??Formula I wherein A represents a structural moiety comprising an aromatic tertiary amine; B represents a structural moiety comprising at least one aliphatic tertiary amine; L represents a divalent linking group positioning the nitrogen atom of the aromatic amine of the structural moiety A and the nitrogen of at least one aliphatic amine of the structural moiety B in a 1-3 to 1-23 position; with the proviso that at least one aromatic and at least one aliphatic amine each have at least one alfa-hydrogen.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: November 22, 2011
    Assignee: Agfa Graphics NV
    Inventors: Johan Loccufier, Roland Claes