Patents by Inventor Cornelis Petrus Beyers
Cornelis Petrus Beyers 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: 9574077Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, such as plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below ?10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight have a particle diameter of below 350 nm.Type: GrantFiled: January 4, 2016Date of Patent: February 21, 2017Assignee: BASF SEInventors: Matthias Gerst, Gerhard Auchter, Gledison Fonseca, Cornelis Petrus Beyers
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Patent number: 9518199Abstract: Described is a pressure-sensitive adhesive (PSA) polymer formed from (i) 50%-95% by weight of n-butyl acrylate, (ii) 1%-20% by weight of ethyl acrylate, (iii) 1%-20% by weight of vinyl acetate, (iv) 0.1%-5% by weight of at least one ethylenically unsaturated acid or ethylenically unsaturated acid anhydride, and (v) 0% to 30% by weight of other ethylenically unsaturated compounds different from the monomers (i) to (iv). The PSA polymer can be used for producing self-adhesive articles, more particularly paper labels or film labels.Type: GrantFiled: October 28, 2010Date of Patent: December 13, 2016Assignee: BASF SEInventors: Matthias Gerst, Gerhard Auchter, Cornelis Petrus Beyers
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Patent number: 9404023Abstract: An adhesive is described, in particular for applications on substrate materials made of flexible PVC, comprising a polymer which is obtainable via free-radical polymerization of ethylenically unsaturated compounds and which is composed of at least 50% by weight of soft acrylate monomers with glass transition temperature below 0° C., at least 1% by weight of ethylenically unsaturated nitriles, at least 1% by weight of hard acrylate monomers with glass transition temperature of at least 60° C., at least 0.1% by weight of ethylenically unsaturated acid monomers, and at least 0.01% by weight of monomers having at least two non-conjugated, polymerizable vinyl groups, where the polymerization reaction takes place via staged polymerization, and at least one portion of the soft acrylate monomers is polymerized in a first polymerization stage, and at least one portion of the hard acrylate monomers is polymerized in a second or subsequent polymerization stage.Type: GrantFiled: December 6, 2010Date of Patent: August 2, 2016Assignee: BASF SEInventors: Carmen-Elena Cimpeanu, Cornelis Petrus Beyers, Andree Dragon
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Patent number: 9359526Abstract: The use of an aqueous polyurethane dispersion adhesive is described for producing biodisintegratable composite foils where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a biodisintegrable polymer foil. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acids and diaminocarboxylic acids.Type: GrantFiled: November 13, 2014Date of Patent: June 7, 2016Assignee: BASF SEInventors: Cornelis Petrus Beyers, Heiko Diehl, Stefan Dahmen, Volker Kriegisch, Ulrike Licht, Axel Meyer, Motonori Yamamoto
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Publication number: 20160115310Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, such as plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below ?10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight have a particle diameter of below 350 nm.Type: ApplicationFiled: January 4, 2016Publication date: April 28, 2016Inventors: Matthias Gerst, Gerhard Auchter, Gledison Fonseca, Cornelis Petrus Beyers
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Patent number: 9273236Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, such as plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion. The polymer is composed of ethylenically unsaturated monomers and has a glass transition temperature below ?10° C., in which the dispersed polymer particles have a polymodal particle size distribution, in which at least 70% by weight of the polymer particles have a particle diameter of below 350 nm.Type: GrantFiled: April 14, 2009Date of Patent: March 1, 2016Assignee: BASF SEInventors: Matthias Gerst, Gerhard Auchter, Gledison Fonseca, Cornelis Petrus Beyers
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Patent number: 9212291Abstract: The present invention relates to the use of meltable acrylate polymers for producing contact adhesive layers in resealable packagings. Moreover, the invention relates to multiple-layer films which have a contact adhesive layer on the basis of meltable acrylate polymers, to a method for producing said multiple-layer films, and to the use of said multiple-layer films for producing resealable packagings.Type: GrantFiled: March 30, 2009Date of Patent: December 15, 2015Assignee: BASF SEInventors: Cornelis Petrus Beyers, Stefan Kirsch, Ulrike Licht
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Publication number: 20150072153Abstract: The use of an aqueous polyurethane dispersion adhesive is described for producing biodisintegratable composite foils where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a biodisintegrable polymer foil. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acids and diaminocarboxylic acids.Type: ApplicationFiled: November 13, 2014Publication date: March 12, 2015Applicant: BASF SEInventors: Cornelis Petrus BEYERS, Heiko DIEHL, Stefan DAHMEN, Volker KRIEGISCH, Ulrike LICHT, Axel MEYER, Motonori YAMAMOTO
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Patent number: 8956497Abstract: A method for producing biodisintegratable composite foils with an aqueous polyurethane dispersion adhesive. The method involves adhesive-bonding a first substrate to a second substrate with use of the aqueous polyurethane dispersion adhesive. At least one of the first substrate and the second substrate is made of a biodisintegratable polymer foil, and at least 60% by weight of the polyurethane contains diisocyanates, polyesterdiols, and bifunctional carboxylic acids. The bifunctional carboxylic acids are dihydroxycarboxylic acids or diaminocarboxylic acids.Type: GrantFiled: July 27, 2011Date of Patent: February 17, 2015Assignee: BASF SEInventors: Cornelis Petrus Beyers, Heiko Diehl, Stefan Dahmen, Volker Kriegisch, Ulrike Licht, Axel Meyer, Motonori Yamamoto
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Patent number: 8865030Abstract: The present invention relates to microcapsules comprising a capsule core comprising a lipophilic substance and also at least one compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, and a capsule wall synthesized from 40 to 80% by weight of one or more monomers (monomers I) selected from C1-C24 alkyl esters of acrylic and/or methacrylic acid, acrylic acid, methacrylic acid, and maleic acid, 20 to 60% by weight of one or more di- or polyfunctional monomers (monomers II) which are sparingly soluble or insoluble in water, and 0 to 40% by weight of one or more other monomers (monomers III), based in each case on the total weight of the monomers, and also to microcapsules comprising at least one epoxy tackifier resin and if desired a compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, to a process for preparing them, to their use in pressure sensitive adhesives, and also to a method of adhesively bonding at least two substratesType: GrantFiled: March 9, 2009Date of Patent: October 21, 2014Assignee: BASF SEInventors: Tobias Joachim Koplin, Simon Nord, Ulrike Licht, Cornelis Petrus Beyers, Tina Schroeder-Grimonpont, Karl-Heinz Schumacher
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Patent number: 8722829Abstract: Described is a recloseable pack having a cold-sealed layer of adhesive which is recloseable after the pack has been opened, the layer of adhesive comprising an emulsion polymer composed to an extent of at least 60% by weight of principal monomers selected from the group consisting of C1 to C20 alkyl (meth)acrylates, vinyl esters of carboxylic acids comprising up to 20 C atoms, vinylaromatics having up to 20 C atoms, ethylenically unsaturated nitriles, vinyl halides, vinyl ethers of alcohols comprising 1 to 10 C atoms, aliphatic hydrocarbons having 2 to 8 C atoms and one or two double bonds, and mixtures of these monomers, the emulsion polymer being preparable by emulsion polymerization of free-radically polymerizable monomers in the presence of at least one protective colloid. Also described are aqueous polymer dispersions suitable for producing the pack of the invention, and polymer films coated with the polymer dispersions.Type: GrantFiled: December 15, 2010Date of Patent: May 13, 2014Assignee: BASF SEInventors: Karl-Heinz Schumacher, Florian Büsch, Dieter Urban, Cornelis Petrus Beyers
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Publication number: 20120244350Abstract: An adhesive is described, in particular for applications on substrate materials made of flexible PVC, comprising a polymer which is obtainable via free-radical polymerization of ethylenically unsaturated compounds and which is composed of at least 50% by weight of soft acrylate monomers with glass transition temperature below 0° C., at least 1% by weight of ethylenically unsaturated nitriles, at least 1% by weight of hard acrylate monomers with glass transition temperature of at least 60° C., at least 0.1% by weight of ethylenically unsaturated acid monomers, and at least 0.01% by weight of monomers having at least two non-conjugated, polymerizable vinyl groups, where the polymerization reaction takes place via staged polymerization, and at least one portion of the soft acrylate monomers is polymerized in a first polymerization stage, and at least one portion of the hard acrylate monomers is polymerized in a second or subsequent polymerization stage.Type: ApplicationFiled: December 6, 2010Publication date: September 27, 2012Applicant: BASF SEInventors: Carmen-Elena Cimpeanu, Cornelis Petrus Beyers, Andree Dragon
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Patent number: 8268390Abstract: An adhesive film which comprises at least two continuous polymer phases A and B each formed from a polymer or polymer mixture A (polymer A for short) and a polymer or polymer mixture B (polymer B for short) and which is obtainable by filming at least one of the polymers, A or B, initially in the form of an aqueous polymer dispersion.Type: GrantFiled: June 29, 2007Date of Patent: September 18, 2012Assignee: BASF AktiengesellschaftInventors: Dieter Urban, Petra Schoecker, Stefan Kirsch, Ines Pietsch, Michael Kutschera, Horst Weiss, Cornelis Petrus Beyers
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Publication number: 20120213992Abstract: Described is a pressure-sensitive adhesive (PSA) polymer formed from (i) 50%-95% by weight of n-butyl acrylate, (ii) 1%-20% by weight of ethyl acrylate, (iii) 1%-20% by weight of vinyl acetate, (iv) 0.1%-5% by weight of at least one ethylenically unsaturated acid or ethylenically unsaturated acid anhydride, and (v) 0% to 30% by weight of other ethylenically unsaturated compounds different from the monomers (i) to (iv). The PSA polymer can be used for producing self-adhesive articles, more particularly paper labels or film labels.Type: ApplicationFiled: October 28, 2010Publication date: August 23, 2012Applicant: BASF SEInventors: Matthias Gerst, Gerhard Auchter, Cornelis Petrus Beyers
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Publication number: 20120077044Abstract: The use of an aqueous polyurethane dispersion adhesive is described for producing biodisintegratable composite foils where at least two substrates are adhesive-bonded to one another with use of the polyurethane dispersion adhesive, where at least one of the substrates is a biodisintegrable polymer foil. At least 60% by weight of the polyurethane is composed of diisocyanates, polyesterdiols, and at least one bifunctional carboxylic acid selected from dihydroxycarboxylic acids and diaminocarboxylic acids.Type: ApplicationFiled: July 27, 2011Publication date: March 29, 2012Applicant: BASF SEInventors: Cornelis Petrus BEYERS, Heiko Diehl, Stefan Dahmen, Volker Kriegisch, Ulrike Licht, Axel Meyer, Motonori Yamamoto
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Publication number: 20120048463Abstract: A method is described for adhesively bonding labels to a substrate, in which a radiation-crosslinkable pressure-sensitive adhesive is applied to the label or to the substrate, label and substrate are brought together and bonded to one another, the pressure-sensitive adhesive, prior to bonding, is crosslinked by irradiation, with UV light, for example, with a radiation dose of 6 to 18 mJ/cm2, and the pressure-sensitive adhesive, prior to crosslinking, has a glass transition temperature of less than or equal to ?40° C. The labels can be washed off with basic, aqueous wash liquid.Type: ApplicationFiled: August 29, 2011Publication date: March 1, 2012Applicant: BASF SEInventors: Carmen-Elena CIMPEANU, Cornelis Petrus BEYERS, Andree DRAGON, Jose Maria Torres LLOSA, Erika FLAMING, Uwe WERNZ
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Publication number: 20110152052Abstract: Described is a recloseable pack having a cold-sealed layer of adhesive which is recloseable after the pack has been opened, the layer of adhesive comprising an emulsion polymer composed to an extent of at least 60% by weight of principal monomers selected from the group consisting of C1 to C20 alkyl (meth)acrylates, vinyl esters of carboxylic acids comprising up to 20 C atoms, vinylaromatics having up to 20 C atoms, ethylenically unsaturated nitriles, vinyl halides, vinyl ethers of alcohols comprising 1 to 10 C atoms, aliphatic hydrocarbons having 2 to 8 C atoms and one or two double bonds, and mixtures of these monomers, the emulsion polymer being preparable by emulsion polymerization of free-radically polymerizable monomers in the presence of at least one protective colloid. Also described are aqueous polymer dispersions suitable for producing the pack of the invention, and polymer films coated with the polymer dispersions.Type: ApplicationFiled: December 15, 2010Publication date: June 23, 2011Applicant: BASF SEInventors: Karl-Heinz SCHUMACHER, Florian Büsch, Dieter Urban, Cornelis Petrus Beyers
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Publication number: 20110033701Abstract: The present invention relates to aqueous polymer dispersions having a polymer content of at least 55% by weight that are suitable for pressure sensitive adhesives. The invention also relates to a process for preparing these aqueous polymer dispersions and also to the use of the aqueous polymer dispersions in pressure sensitive adhesives and, respectively, pressure sensitive adhesive compositions, especially in pressure sensitive adhesives for transparent substrates, e.g., plastics labels. The aqueous polymer dispersions have a polymer content of at least 55% by weight, based on the total weight of the dispersion, the polymer being composed of ethylenically unsaturated monomers M and having a glass transition temperature below ?10° C.Type: ApplicationFiled: April 14, 2009Publication date: February 10, 2011Applicant: BASF SEInventors: Matthias Gerst, Gerhard Auchter, Gledison Fonseca, Cornelis Petrus Beyers
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Publication number: 20110024035Abstract: The present invention relates to microcapsules comprising a capsule core comprising a lipophilic substance and also at least one compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, and a capsule wall synthesized from 40 to 80% by weight of one or more monomers (monomers I) selected from C1-C24 alkyl esters of acrylic and/or methacrylic acid, acrylic acid, methacrylic acid, and maleic acid, 20 to 60% by weight of one or more di- or polyfunctional monomers (monomers II) which are sparingly soluble or insoluble in water, and 0 to 40% by weight of one or more other monomers (monomers III), based in each case on the total weight of the monomers, and also to microcapsules comprising at least one epoxy tackifier resin and if desired a compound which absorbs electromagnetic radiation from the wavelength range from 700 nm to 1 m, to a process for preparing them, to their use in pressure sensitive adhesives, and also to a method of adhesively bonding at least two substrates.Type: ApplicationFiled: March 9, 2009Publication date: February 3, 2011Applicant: BASF SEInventors: Tobias Joachim Koplin, Simon Nord, Ulrike Licht, Cornelis Petrus Beyers, Tina Schroeder-Grimonpont, Karl-Heinz Schumacher
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Publication number: 20110014404Abstract: The present invention relates to the use of meltable acrylate polymers for producing contact adhesive layers in resealable packagings. Moreover, the invention relates to multiple-layer films which have a contact adhesive layer on the basis of meltable acrylate polymers, to a method for producing said multiple-layer films, and to the use of said multiple-layer films for producing resealable packagings.Type: ApplicationFiled: March 30, 2009Publication date: January 20, 2011Applicant: BASF SEInventors: Cornelis Petrus Beyers, Stefan Kirsch, Ulrike Licht