Patents by Inventor Angela Leonarda Maria Smits
Angela Leonarda Maria Smits 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: 11306175Abstract: The present invention relates to a polymer composition comprising a polymeric matrix and particles of an impact modifier within the polymeric matrix, wherein the impact modifier comprises at least one urethane group and the impact modifier is obtainable by reacting in situ within the polymeric matrix a) a polyol comprising a dimer fatty residue; and b) a polyisocyanate. The invention also relates to a method of making the polymer composition.Type: GrantFiled: November 3, 2016Date of Patent: April 19, 2022Assignee: Croda International PLCInventors: Angela Leonarda Maria Smits, Johannes Rutger Idsard Knoop
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Publication number: 20210070915Abstract: A self-healing polyurethane, a polyol for use in the polyurethane, and the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants is described, where the polyurethane is capable of exhibiting self-healing which results in recovery of a proportion of one or more physical parameters. The self-healing polyurethane is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender, where the polyol comprises at least one dimer fatty residue; at least one carbonate group; and at least two hydroxyl end groups.Type: ApplicationFiled: November 2, 2020Publication date: March 11, 2021Applicant: Croda International PlcInventors: Angela Leonarda Maria Smits, Wilhelmus Adrianus Jacobus Honcoop, Remco Benjamin Van Triet
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Patent number: 10882943Abstract: The present invention relates to a self-healing polyurethane, a polyol for use in the polyurethane, and to the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants. The polyurethane is capable of exhibiting self-healing (for example, intrinsic self-healing) which results in recovery of a proportion of one or more physical parameters. The polyurethane which is capable of self-healing is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender. The polyol comprises at least one dimer fatty residue; at least one urethane, amide or carbonate group; and at least two hydroxyl end groups.Type: GrantFiled: May 11, 2016Date of Patent: January 5, 2021Inventors: Angela Leonarda Maria Smits, Wilhelmus Adrianus Jacobus Honcoop, Remco Benjamin Van Triet
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Patent number: 10501571Abstract: The present invention relates to a polyurethane elastomer obtainable by reacting a polyol and an isocyanate wherein the polyol comprises a) at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and b) at least one furan dicarboxylic acid residue. The invention also relates to a polyol for making the polyurethane elastomer, the use of the polyol and a method of making the polyurethane.Type: GrantFiled: February 5, 2015Date of Patent: December 10, 2019Assignee: CRODA INTERNATIONAL PLCInventors: Wilhelmus Adrianus Jacobus Honcoop, Remco Benjamin Van Triet, Angela Leonarda Maria Smits
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Patent number: 10351655Abstract: The present invention relates to a polyurethane dispersion comprising particles of a polyurethane dispersed in a dispersing medium, wherein the polyurethane is obtainable by reacting a polyol and an isocyanate, wherein the polyol comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and at least one furan dicarboxylic acid residue. The invention also relates to a coating composition comprising the polyurethane dispersion, a polyol for making the polyurethane dispersion, the use of the polyol and a method of making the polyurethane.Type: GrantFiled: February 5, 2015Date of Patent: July 16, 2019Assignee: CRODA INTERNATIONAL PLCInventors: Wilhelmus Adrianus Jacobus Honcoop, Remco Benjamin Van Triet, Angela Leonarda Maria Smits
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Patent number: 10214615Abstract: Polyimide formed from at least one dianhydride and at least one diamine, wherein at least 50 wt. % of the diamine is comprised of dimer fatty diamine, and a process of making the polyimide. The dianhydride is preferably a tetracarboxylic acid in which carbonyl groups are attached in pair to adjacent carbon atoms, and the dimer fatty diamine may be formed from a corresponding dimer fatty acid, especially the dimerisation products of C10 to C30 fatty acids such as oleic acid, linoleic acid, linolenic acid, palmitoleic acid, and elaidic acid. Also polyimide pre-polymer being polyamic acid formed by reaction of the dinhydride, and diamine comprised of dimer fatty diamine. The polyimide may be formed in to coatings, adhesives, or polymer films, said compositions in particular being self-healing.Type: GrantFiled: August 2, 2013Date of Patent: February 26, 2019Assignee: Croda International PlcInventors: Angela Leonarda Maria Smits, Remco Benjamin Van Triet, Theodorus Jacobus Dingemans, Santiago Juan Garcia-Espallargas
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Publication number: 20180362700Abstract: The present invention relates to a polymer composition comprising a polymeric matrix and particles of an impact modifier within the polymeric matrix, wherein the impact modifier comprises at least one urethane group and the impact modifier is obtainable by reacting in situ within the polymeric matrix a) a polyol comprising a dimer fatty residue; and b) a polyisocyanate. The invention also relates to a method of making the polymer composition.Type: ApplicationFiled: November 3, 2016Publication date: December 20, 2018Applicant: Croda International PlcInventors: Angela Leonarda Maria SMITS, Johannes Rutger Idsard KNOOP
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Publication number: 20180355092Abstract: The present invention relates to a self-healing polyurethane, a polyol for use in the polyurethane, and to the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants. The polyurethane is capable of exhibiting self-healing (for example, intrinsic self-healing) which results in recovery of a proportion of one or more physical parameters. The polyurethane which is capable of self-healing is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender. The polyol comprises at least one dimer fatty residue; at least one urethane, amide or carbonate group; and at least two hydroxyl end groups.Type: ApplicationFiled: May 11, 2016Publication date: December 13, 2018Applicant: Croda International PLCInventors: Angela Leonarda Maria Smits, Wilhelmus Adrianus Jacobus Honcoop, Remco Benjamin Van Triet
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Patent number: 10005875Abstract: The present invention provides a co-polymer polyol which has an ABA block structure wherein each A block comprises a plurality of hydroxy-carboxylic acid residues and the B block comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue, wherein the co-polymer polyol comprises at least two hydroxyl end groups. The invention also provides a method of making the co-polymer polyol and a polyurethane comprising the co-polymer polyol.Type: GrantFiled: September 10, 2014Date of Patent: June 26, 2018Assignee: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Remco Benjamin Van Triet, Karin Van Der Helm-Rademaker, Wilhelmus Adrianus Jacobus Honcoop
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Patent number: 9815939Abstract: The present invention relates to a polyurethane which is the reaction product of a polyisocyanate and polyester, wherein said polyester is formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide. The inventions also relates to a polyester for use in forming the polyurethane of the first aspect, said polyester formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide.Type: GrantFiled: August 15, 2013Date of Patent: November 14, 2017Assignee: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Karin Van Der Helm-Rademaker
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Publication number: 20170247505Abstract: The present invention provides a polyester which is the reaction product of reactants comprising: (A) an aliphatic dicarboxylic acid comprising from 16 to 30 carbon atoms; (B) an aromatic carboxylic acid and/or anhydride; and (C) a polyol. The invention also provides a coating composition comprising the polyester, a method of making the coating composition and the use of at least 2 wt % of a linear aliphatic dicarboxylic acid comprising from 16 to 30 carbon atoms as a replacement for at least 2 wt % of an aromatic carboxylic acid and/or anhydride in a polyester composition. This use may improve the UV resistance and/or stability of the polyester composition.Type: ApplicationFiled: September 18, 2015Publication date: August 31, 2017Applicant: CRODA INTERNATIONAL PLCInventors: WILHELMUS ADRIANUS JACOBUS HONCOOP, ANGELA LEONARDA MARIA SMITS
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Publication number: 20170198087Abstract: A polyurethane obtainable by reacting a polyisocyanate, a polyol, and/or a chain extender, wherein at least one of the polyisocyanate and chain extender comprises a C14 to C32 alkyl group. The polyurethane is particularly suitable for use in coating, elastomer and adhesive/sealant compositions.Type: ApplicationFiled: December 11, 2014Publication date: July 13, 2017Inventors: ANGELA LEONARDA MARIA SMITS, WILHELMUS ADRIANUS JACOBUS HONCOOP, LEO VAN DONGEN
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Publication number: 20170008997Abstract: The present invention relates to a polyurethane dispersion comprising particles of a polyurethane dispersed in a dispersing medium, wherein the polyurethane is obtainable by reacting a polyol and an isocyanate, wherein the polyol comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and at least one furan dicarboxylic acid residue. The invention also relates to a coating composition comprising the polyurethane dispersion, a polyol for making the polyurethane dispersion, the use of the polyol and a method of making the polyurethane.Type: ApplicationFiled: February 5, 2015Publication date: January 12, 2017Applicant: CRODA INTERNATIONAL PLCInventors: WILHELMUS ADRIANUS JACOBUS HONCOOP, REMCO BENJAMIN VAN TRIET, ANGELA LEONARDA MARIA SMITS
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Publication number: 20170002134Abstract: The present invention relates to a polyol comprising a) at least one dimer fatty residue selected from a dimer fatty diacid residue and a dimer fatty diol residue; and b) at least one residue of a linear or branched C17 to C32 dicarboxylic acid or diol; wherein the polyol comprises at least two hydroxyl end groups. The invention also relates to a a polyurethane comprising the polyol, the use of the polyol and a method of making the polyurethane.Type: ApplicationFiled: December 11, 2014Publication date: January 5, 2017Applicant: CRODA INTERNATIONAL PLCInventors: ANGELA LEONARDA MARIA SMITS, WILHELMUS ADRIANUS JACOBUS HONCOOP, REMCO BENJAMIN VAN TRIET
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Publication number: 20160355633Abstract: The present invention relates to a polyurethane elastomer obtainable by reacting a polyol and an isocyanate wherein the polyol comprises a) at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue; and b) at least one furan dicarboxylic acid residue. The invention also relates to a polyol for making the polyurethane elastomer, the use of the polyol and a method of making the polyurethane.Type: ApplicationFiled: February 5, 2015Publication date: December 8, 2016Applicant: CRODA INTERNATIONAL PLCInventors: Wilhelmus Adrianus Jacobus HONCOOP, Remco Benjamin Van TRIET, Angela Leonarda Maria SMITS
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Publication number: 20160229946Abstract: The present invention provides a co-polymer polyol which has an ABA block structure wherein each A block comprises a plurality of hydroxy-carboxylic acid residues and the B block comprises at least one dimer fatty residue selected from a dimer fatty diacid residue, a dimer fatty diol residue and a dimer fatty diamine residue, wherein the co-polymer polyol comprises at least two hydroxyl end groups. The invention also provides a method of making the co-polymer polyol and a polyurethane comprising the co-polymer polyol.Type: ApplicationFiled: September 10, 2014Publication date: August 11, 2016Applicant: CRODA INTERNATIONAL PLCInventors: ANGELA LEONARDA MARIA SMITS, REMCO BENJAMIN VAN TRIET, KARIN VAN DER HELM-RADEMAKER, WILHELMUS ADRIANUS JACOBUS HONCOOP
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Publication number: 20150232618Abstract: Polyimide formed from at least one dianhydride and at least one diamine, wherein at least 50 wt. % of the diamine is comprised of dimer fatty diamine, and a process of making the polyimide. The dianhydride is preferably a tetracarboxylic acid in which carbonyl groups are attached in pair to adjacent carbon atoms, and the dimer fatty diamine may be formed from a corresponding dimer fatty acid, especially the dimerisation products of C10 to C30 fatty acids such as oleic acid, linoleic acid, linolenic acid, palmitoleic acid, and elaidic acid. Also polyimide pre-polymer being polyamic acid formed by reaction of the dinhydride, and diamine comprised of dimer fatty diamine. The polyimide may be formed in to coatings, adhesives, or polymer films, said compositions in particular being self-healing.Type: ApplicationFiled: August 2, 2013Publication date: August 20, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Remco Benjamin Van Triet, Theodorus Jacobus Dingemans, Santiago Juan Garcia-Espallargas
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Publication number: 20150210807Abstract: The present invention relates to a polyurethane which is the reaction product of a polyisocyanate and polyester, wherein said polyester is formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide. The inventions also relates to a polyester for use in forming the polyurethane of the first aspect, said polyester formed from a dimer fatty acid, a C2 to C4 diol, and a C8 to C16 dicarboxylic acid or C6 to C12 lactide.Type: ApplicationFiled: August 15, 2013Publication date: July 30, 2015Applicant: CRODA INTERNATIONAL PLCInventors: Angela Leonarda Maria Smits, Karin Van Der Helm-Rademaker