Patents by Inventor Elwin Aloysius Cornelius Adrianus DE WOLF
Elwin Aloysius Cornelius Adrianus DE WOLF 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: 11814536Abstract: The invention relates to the use of Real Michael Addition (RMA) crosslinkable composition for the preparation of a floor coating, to special RMA crosslinkable compositions with long working time and very short service time and low VOC and to specific floor compositions, in particular for use in high build floor coating applications.Type: GrantFiled: June 5, 2020Date of Patent: November 14, 2023Assignee: ALLNEX NETHERLANDS B.V.Inventors: Elwin Aloysius Cornelius Adrianus De Wolf, Ferry Ludovicus Thys, Richard Hendrikus Gerrit Brinkhuis, Ramesh Subramanian, Michael Anthony Gessner, Paulus Jozef Dolphijn, Dirk Emiel Paula Mestach
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Patent number: 11572431Abstract: The present invention relates to a crosslinkable composition comprising a polyol, a polyisocyanate crosslinker, a catalyst for catalysing the reaction between —OH groups of said polyol and —NCO groups of said crosslinker, a tertiary acid of formula RR?R?CCOOH (I), wherein each R, R? and R? group, independently, is an alkyl, alkenyl, aryl or aralkyl group containing at least one carbon atom, with the proviso that two or three of the R, R? and R? groups can be linked to form a ring structure and wherein the R, R? and/or R? groups can be substituted, and optionally, a complexing agent containing at least one —SH group, as well as its use for making coatings having improved application properties.Type: GrantFiled: August 2, 2018Date of Patent: February 7, 2023Assignee: ALLNEX NETHERLANDS B.V.Inventors: Gautam Haldankar, Elwin Aloysius Cornelius Adrianus De Wolf, Dirk Emiel Paula Mestach
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Patent number: 11414565Abstract: The invention relates to a process for the preparation of a RMA crosslinkable composition comprising at least one crosslinkable component comprising reactive components A and B each comprising at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons C—H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C?C and base catalyst C and one or more N—H group containing reactivity moderating component D that are also a Michael addition donor reactable with component B under the action of catalyst C, characterized in that the one or more reactivity moderating components D have a melting temperature above 60° C. and is first dissolved in one or more crosslinkable components comprising reactive components A or B and the obtained pre-dissolved product is later mixed with other components of the RMA crosslinkable composition.Type: GrantFiled: July 21, 2020Date of Patent: August 16, 2022Assignee: Allnex Netherlands B.V.Inventors: Elwin Aloysius Cornelius Adrianus De Wolf, Ferry Ludovicus Thys, Richard Hendrikus Gerrit Brinkhuis, Nicole Mangnus-Verhagen, Antonius Johannes Wilhelmus Buser
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Patent number: 11072724Abstract: The invention relates to an adhesion promotor for improving adhesion on a substrate surface of an RMA crosslink able composition comprising one or more crosslinkable components comprising a reactive component A with at least two acidic protons C—H in activated methylene or methine groups, a reactive component B with at least two activated unsaturated C?C groups, a catalyst C for catalyzing the RMA crosslinking reaction between components A and B, said adhesion promotor P comprising a moiety comprising one or more functional groups X or precursors thereof readable with component A or component B and a moiety comprising one or more functional groups Y or precursors thereof that adsorb or react with the substrate surface not being an alkoxysilane group. The invention also relates to a RMA crosslinkable composition, also in the form of a kit of parts, to a premix for use as a part in the kit of parts.Type: GrantFiled: April 18, 2016Date of Patent: July 27, 2021Assignee: Allnex Netherlands B.V.Inventors: Rien Goedegebuure, Ferry Ludovicus Thys, Elwin Aloysius Cornelius Adrianus De Wolf, Richard Hendrikus Gerrit Brinkhuis, Michael Anthony Gessner, Antonius Johannes Wilhelmus Buser
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Publication number: 20210189050Abstract: The present invention relates to a crosslinkable composition comprising a polyol, a polyisocyanate crosslinker, a catalyst for catalysing the reaction between —OH groups of said polyol and —NCO groups of said crosslinker, a tertiary acid of formula RR?R?CCOOH (I), wherein each R, R? and R? group, independently, is an alkyl, alkenyl, aryl or aralkyl group containing at least one carbon atom, with the proviso that two or three of the R, R? and R? groups can be linked to form a ring structure and wherein the R, R? and/or R? groups can be substituted, and optionally, a complexing agent containing at least one —SH group, as well as its use for making coatings having improved application properties.Type: ApplicationFiled: August 2, 2018Publication date: June 24, 2021Applicant: ALLNEX NETHERLANDS B.V.Inventors: Gautam HALDANKAR, Elwin Aloysius Cornelius Adrianus DE WOLF, Dirk Emiel Paula MESTACH
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Publication number: 20200347263Abstract: The invention relates to a process for the preparation of a RMA crosslinkable composition comprising at least one crosslinkable component comprising reactive components A and B each comprising at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons C—H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C?C and base catalyst C and one or more N—H group containing reactivity moderating component D that are also a Michael addition donor reactable with component B under the action of catalyst C, characterized in that the one or more reactivity moderating components D have a melting temperature above 60° C. and is first dissolved in one or more crosslinkable components comprising reactive components A or B and the obtained pre-dissolved product is later mixed with other components of the RMA crosslinkable composition.Type: ApplicationFiled: July 21, 2020Publication date: November 5, 2020Inventors: Elwin Aloysius Cornelius Adrianus DE WOLF, Ferry Ludovicus THYS, Richard Hendrikus Gerrit BRINKHUIS, Nicole MANGNUS-VERHAGEN, Antonius Johannes Wilhelmus BUSER
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Publication number: 20200299539Abstract: The invention relates to the use of Real Michael Addition (RMA) crosslinkable composition for the preparation of a floor coating, to special RMA crosslinkable compositions with long working time and very short service time and low VOC and to specific floor compositions, in particular for use in high build floor coating applications.Type: ApplicationFiled: June 5, 2020Publication date: September 24, 2020Inventors: Elwin Aloysius Cornelius Adrianus DE WOLF, Ferry Ludovicus THYS, Richard Hendrikus Gerrit BRINKHUIS, Ramesh SUBRAMANIAN, Michael Anthony GESSNER, Paulus Jozef DOLPHIJN, Dirk Emiel Paula MESTACH
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Patent number: 10767074Abstract: The invention relates to a process for the preparation of a RMA crosslinkable composition comprising at least one crosslinkable component comprising reactive components A and B each comprising at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons C—H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C?C and base catalyst C and one or more N—H group containing reactivity moderating component D that are also a Michael addition donor reactable with component B under the action of catalyst C, characterized in that the one or more reactivity moderating components D have a melting temperature above 60° C. and is first dissolved in one or more crosslinkable components comprising reactive components A or B and the obtained pre-dissolved product is later mixed with other components of the RMA crosslinkable composition.Type: GrantFiled: April 15, 2016Date of Patent: September 8, 2020Assignee: Allnex Netherlands B.V.Inventors: Elwin Aloysius Cornelius Adrianus De Wolf, Ferry Ludovicus Thys, Richard Hendrikus Gerrit Brinkhuis, Nicole Mangnus-Verhagen, Antonius Johannes Wilhelmus Buser
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Patent number: 10759962Abstract: A method for applying a RMA crosslinked coating with improved adhesion, comprising the steps of applying on the substrate surface a layer of a modified epoxy primer comprising an epoxy functional polymer binder and a crosslinker, wherein adhesion of the RMA crosslinked coating to the epoxy primer layer is improved by said primer comprising after curing functional groups X reactable with crosslinkable components of the RMA crosslinkable composition or a precursor of functional groups X, preferably a moisture deblockable precursor. The invention also relates to modified epoxy primers, compositions for improving adhesion of epoxy primers and use thereof to improve adhesion of RMA crosslinkable coatings.Type: GrantFiled: April 18, 2016Date of Patent: September 1, 2020Assignee: Allnex Netherlands B.V.Inventors: Rien Goedegebuure, Ferry Ludovicus Thys, Elwin Aloysius Cornelius Adrianus De Wolf, Richard Hendrikus Gerrit Brinkhuis, Michael Anthony Gessner, Antonius Johannes Wilhelmus Buser, David James Sauer
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Patent number: 10647876Abstract: An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C—H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C?C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.Type: GrantFiled: February 6, 2018Date of Patent: May 12, 2020Assignee: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Antonius Johannes Wilhelmus Buser, Petrus Johannes Maria David Elfrink, Ferry Ludovicus Thys, Nicole Mangnus-Verhagen, Elwin Aloysius Cornelius Adrianus De Wolf
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Patent number: 10604622Abstract: A crosslinkable composition crosslinkable by Real Michael Addition (RMA) reaction comprising a component with at least 2 activated unsaturated groups and a component with at least 2 acidic protons C—H in activated methylene or methine which components can react to form a crosslinked network.Type: GrantFiled: June 7, 2018Date of Patent: March 31, 2020Assignee: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Ferry Ludovicus Thys, Elwin Aloysius Cornelius Adrianus De Wolf
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Patent number: 10597556Abstract: An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C—H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C?C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.Type: GrantFiled: February 6, 2018Date of Patent: March 24, 2020Assignee: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Antonius Johannes Wilhelmus Buser, Petrus Johannes Maria David Elfrink, Ferry Ludovicus Thys, Nicole Mangnus-Verhagen, Elwin Aloysius Cornelius Adrianus De Wolf
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Publication number: 20190106527Abstract: The present invention relates to a crosslinkable composition comprising a polyol, a polyisocyanate crosslinker, a catalyst for catalysing the reaction between —OH groups of said polyol and —NCO groups of said crosslinker, a tertiary acid of formula RR?R?CCOOH (I), wherein each R, R? and R? group, independently, is an alkyl, alkenyl, aryl or aralkyl group containing at least one carbon atom, with the proviso that two or three of the R, R? and R? groups can be linked to form a ring structure and wherein the R, R? and/or R? groups can be substituted, and optionally, a complexing agent containing at least one —SH group, as well as its use for making coatings having improved application properties.Type: ApplicationFiled: October 10, 2017Publication date: April 11, 2019Applicant: ALLNEX NETHERLANDS BVInventors: Gautam HALDANKAR, Elwin Aloysius Cornelius Adrianus De Wolf, Dirk Emiel Paula MESTACH
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Publication number: 20180282477Abstract: The present invention relates to a crosslinkable composition crosslinkable by Real Michael Addition (RMA) reaction comprising a component with at least 2 activated unsaturated groups (hereafter referred to as the RMA acceptor groups) and a component with at least 2 acidic protons C—H in activated methylene or methine groups (hereafter referred to as the RMA donor groups) which components can react to form a crosslinked network. The composition comprises f. Component(s) A having at least 2 acidic C—H donor groups in activated methylene or methine and having a pKa(A) between 10.5 and 14, g. Component(s) B having at least 2 activated unsaturated acceptor groups, wherein a molar ratio R of acceptor groups to donor groups is between 3:1 to 1:6 and which component(s) B react with component(s) A by Real Michael Addition (RMA) to form a crosslinked network, h. basic component(s) C being a salt of a basic anion X— from an acidic X—H group containing compound wherein X is N, P, O, S or C, iv.Type: ApplicationFiled: June 7, 2018Publication date: October 4, 2018Inventors: Richard Hendrikus Gerrit BRINKHUIS, Ferry Ludovicus THYS, Elwin Aloysius Cornelius Adrianus DE WOLF
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Publication number: 20180251656Abstract: The invention relates to an adhesion promotor for improving adhesion on a substrate surface of an RMA crosslink able composition comprising one or more crosslinkable components comprising a reactive component A with at least two acidic protons C—H in activated methylene or methine groups, a reactive component B with at least two activated unsaturated C?C groups, a catalyst C for catalyzing the RMA crosslinking reaction between components A and B, said adhesion promotor P comprising a moiety comprising one or more functional groups X or precursors thereof readable with component A or component B and a moiety comprising one or more functional groups Y or precursors thereof that adsorb or react with the substrate surface not being an alkoxysilane group. The invention also relates to a RMA crosslinkable composition, also in the form of a kit of parts, to a premix for use as a part in the kit of parts.Type: ApplicationFiled: April 18, 2016Publication date: September 6, 2018Applicant: ALLNEX NETHERLANDS B.V.Inventors: Rien GOEDEGEBUURE, Ferry Ludovicus THYS, Elwin Aloysius Cornelius Adrianus DE WOLF, Richard Hendrikus Gerrit BRINKHUIS, Michael Anthony GESSNER, Antonius Johannes Wilhelmus BUSER
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Patent number: 10017607Abstract: The present invention relates to a crosslinkable composition crosslinkable by Real Michael Addition (RMA) reaction comprising a component with at least 2 activated unsaturated groups (hereafter referred to as the RMA acceptor groups) and a component with at least 2 acidic protons C—H in activated methylene or methane groups (hereafter referred to as the RMA donor groups) which components can react to form a crosslinked network.Type: GrantFiled: April 7, 2014Date of Patent: July 10, 2018Assignee: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit Brinkhuis, Ferry Ludovicus Thys, Elwin Aloysius Cornelius Adrianus De Wolf
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Publication number: 20180163082Abstract: The invention relates to a method for applying a RMA crosslinked coating with improved adhesion, comprising the steps of applying on the substrate surface a layer of a modified epoxy primer comprising an epoxy functional polymer binder and a crosslinker, wherein adhesion of the RMA crosslinked coating to the epoxy primer layer is improved by said primer comprising after curing functional groups X reactable with crosslinkable components of the RMA crosslinkable composition or a precursor of functional groups X, preferably a moisture deblockable precursor. The invention also relates to modified epoxy primers, compositions for improving adhesion of epoxy primers and use thereof to improve adhesion of RMA crosslinkable coatings.Type: ApplicationFiled: April 18, 2016Publication date: June 14, 2018Applicant: ALLNEX NETHERLANDS B.V.Inventors: Rien GOEDEGEBUURE, Ferry Ludovicus THYS, Elwin Aloysius Cornelius Adrianus DE WOLF, Richard Hendrikus Gerrit BRINKHUIS, Michael Anthony GESSNER, Antonius Johannes Wilhelmus BUSER, David James SAUER
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Publication number: 20180163081Abstract: The invention relates generally to RMA crosslinkable compositions, in particular coating compositions, more in particular pigmented coating compositions (paints) with improved adhesion to substrates. The invention further relates to an adhesion promotor for improving adhesion on a substrate surface of an RMA crosslinkable composition, a method for applying a RMA cross-linked coating layer with improved adhesion and a kit of parts and premixes for use in said method.Type: ApplicationFiled: April 18, 2016Publication date: June 14, 2018Applicant: ALLNEX NETHERLANDS B.V.Inventors: Rien GOEDEGEBUURE, Ferry Ludovicus THYS, Elwin Aloysius Cornelius Adrianus DE WOLF, Richard Hendrikus Gerrit BRINKHUIS, Michael Anthony GESSNER, Antonius Johannes Wilhelmus BUSER
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Publication number: 20180155573Abstract: An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C—H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C?C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.Type: ApplicationFiled: February 6, 2018Publication date: June 7, 2018Applicant: Allnex Netherlands B.V.Inventors: Richard Hendrikus Gerrit BRINKHUIS, Antonius Johannes Wilhelmus BUSER, Petrus Johannes Maria David ELFRINK, Ferry Ludovicus THYS, Nicole MANGNUS-VERHAGEN, Elwin Aloysius Cornelius Adrianus DE WOLF
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Publication number: 20180134913Abstract: The invention relates to the use of Real Michael Addition (RMA) crosslinkable composition for the preparation of a floor coating, to special RMA crosslinkable compositions with long working time and very short service time and low VOC and to specific floor compositions, in particular for use in high build floor coating applications.Type: ApplicationFiled: April 18, 2016Publication date: May 17, 2018Applicant: ALLNEX NETHERLANDS B.V.Inventors: Elwin Aloysius Cornelius Adrianus DE WOLF, Ferry Ludovicus THYS, Richard Hendrikus Gerrit BRINKHUIS, Ramesh SUBRAMANIAN, Michael Anthony GESSNER, Paulus Jozef DOLPHIJN, Dirk Emiel Paula MESTACH