Patents Assigned to COVESTRO (NETHERLANDS) B.V.
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Patent number: 11643501Abstract: The invention relates to an oxidizing, ionic and short oil alkyd resin. The invention further relates to various compositions comprising the oxidizing, ionic and short oil alkyd resin, cured compositions derived upon curing of said compositions, objects comprising the various cured or uncured compositions as well as various uses of the oxidizing, ionic and short oil alkyd resin, and of the various compositions of the invention as well as of the various objects of the invention.Type: GrantFiled: August 12, 2019Date of Patent: May 9, 2023Assignee: Covestro (Netherlands) B.V.Inventors: Cornelis Eme Koning, Adrianus Jozephus Hendricus Lansbergen, Amyke Veurink, Bauke De Vries, Albertus Ronald Hofkamp, Bas Jacobus Catharina Tuijtelaars
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Patent number: 11634592Abstract: The invention relates to a polymer comprising certain specific units. The invention further relates to processes for making the polymer of the invention. The invention further relates to a binder and compositions comprising the polymer, preferably to compositions suitable for paints and coatings. The invention relates in particular to water-borne, solvent-borne and powder coating compositions and preferably to curable water-borne, curable solvent-borne and curable powder coating compositions. The invention further relates to cured compositions. The invention further relates to objects, in particular coatings prepared from the compositions of the invention. The invention further relates to processes for making the compositions of the invention. The invention further relates to articles having coated thereon the compositions of the invention. The invention further relates to articles having coated and cured thereon the compositions of the invention.Type: GrantFiled: October 29, 2020Date of Patent: April 25, 2023Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Cornelis Eme Koning, Theo Veldhuis, Leendert Jan Molhoek, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout
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Patent number: 11590706Abstract: Methods for post-processing photofabricated articles created via additive fabrication processes are described and claimed herein. Such methods include providing a photofabricated article, preferably an article that has been at least partially cured via cationic polymerization mechanisms, optionally, post-processing the photofabricated article, and base-washing the photofabricated article in an alkaline solution or dispersion to create a neutralized photofabricated article. In another embodiment, the methods include treating a photofabricated article having a residual acid or base species with a treatment composition in order to create a neutralized photofabricated article. Also described and claimed are the neutralized photofabricated articles created via the methods herein elsewhere described. Such articles are preferably biocompatible, especially as determined by their lack of cytotoxicity potential.Type: GrantFiled: May 3, 2019Date of Patent: February 28, 2023Assignee: Covestro (Netherlands) B.V.Inventors: Aylvin Jorge Angelo Athanasius Dias, Franciscus Johannes Marie Derks
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Patent number: 11578215Abstract: A coated substrate comprising a coating layer with inorganic oxide and pores, the coating layer demonstrates improved anti-soiling properties. The coated substrate may for example be used in solar modules. Further a coating formulation and use of the coating formulation are disclosed.Type: GrantFiled: April 17, 2018Date of Patent: February 14, 2023Assignee: Covestro (Netherlands) B.V.Inventors: Roberto Arnoldus Dominicus Maria Habets, Camille Charline Marie-Cécile Carcouet, Damien Reardon
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Patent number: 11578221Abstract: Described herein are methods and compositions for forming three-dimensional objects via material jetting processes, the methods including the repeated steps of selectively depositing a liquid thermoset material onto a surface from a nozzle of at least one jetting head in a first specified direction and exposing at least a portion of the liquid thermoset material to a source of actinic radiation in order to form a three-dimensional object from the cured thermoset material, wherein the jetting head is configured to eject droplets of the liquid thermoset material from the nozzle at prescribed elevated operating temperatures, and wherein the liquid thermoset material is chosen so as to possessing prescribed viscosity and rheological characteristics.Type: GrantFiled: December 14, 2018Date of Patent: February 14, 2023Assignee: Covestro (Netherlands) B.V.Inventors: Paulus Antonius Maria Steeman, Adrianus Cornelis Bastiaan Bogaerds, Marco Marcus Matheus Driessen, Rudolfus Antonius Theodorus Maria Van Benthem, Robbert Van Sluijs, Franciscus Johannes Marie Derks
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Patent number: 11535758Abstract: Thermosetting powder coating compositions and processes for making the thermosetting powder coating compositions and processes for coating an article with the thermosetting powder coating compositions are disclosed. Cured thermosetting powder coating compositions are obtained by curing of the thermosetting powder coating compositions of the invention. Articles are provided having coated thereon the thermosetting powder coating compositions as well as to articles having coated and cured thereon the thermosetting powder coating compositions. The thermosetting powder coating compositions exhibit a substantially lower Tchalk-free, that is a ?Tchalk-free which is in the range of from and including 5 up to and not including 10° C.Type: GrantFiled: September 27, 2017Date of Patent: December 27, 2022Assignee: Covestro (Netherlands) B.V.Inventor: Johannes Gertrudis Christianus Bongaerts
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Radiation curable compositions with multi-functional long-armed oligomers for coating optical fibers
Patent number: 11530163Abstract: Disclosed and claimed herein are radiation curable compositions for coating an optical fiber containing an oligomer, a diluent, a photoinitiator, and optionally, additives. The oligomer includes a reactive urethane oligomer having at least three arms, each arm having a most distal termination point and bound together at a single junction point, wherein at least one arm comprises the reaction product of a polyol, a polyisocyanate, and an isocyanate-reactive (meth)acrylate. The reactive urethane oligomer possesses specified molecular weight and/or average functionality values, and it may possess specified chain length values between the oligomer junction point and the distal termination point along one or more arm(s). Also disclosed are methods of coating an optical fiber incorporating the compositions described herein, along with the coated optical fibers and cables produced therefrom.Type: GrantFiled: July 30, 2020Date of Patent: December 20, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Huimin Cao, Johan Franz Gradus Antonius Jansen, Marcel Houben, Kangtai Ren -
Patent number: 11525061Abstract: The current invention relates to an one-pack aqueous coating composition comprising dispersed carbonyl functional vinyl polymer(s) particles, characterized in that the coating composition further comprises carbodihydrazide, whereby (i) the equivalent molar ratio of hydrazide groups to carbonyl groups is from 0.1 to 0.95, (ii) the ratio of number-average molecular weight of the carbonyl functional vinyl polymer(s) to acid value of the carbonyl functional vinyl polymer(s) is higher than 400, and (iii) the acid value of the carbonyl functional vinyl polymer(s) is from 2 to 100 mg KOH/gram carbonyl functional vinyl polymer.Type: GrantFiled: July 16, 2018Date of Patent: December 13, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Gerardus Cornelis Overbeek, Alfred Jean Paul Bückmann, Patrick Johannes Maria Stals, Daan Van Der Zwaag, Jurgen Scheerder, Stella Josette Van Dijk
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Patent number: 11512165Abstract: Polymers and methods of making the same are described whereby the polymers generically include one or more units each of which necessarily has a 1,2,4-substituted cyclohexane group or a 1,1,2,4-substituted cyclohexane group. According to specific disclosures herein, polymers and methods of making the same are described whereby the polymers have one or more S1 units represented by the formula: wherein n is an integer equal to or higher than 1, m is 0 or 1, A is H or CH3, and wherein each of X and Y is a specifically defined group.Type: GrantFiled: August 20, 2020Date of Patent: November 29, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Cornelis Eme Koning, Theo Veldhuis, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout, Albertus Johannes Reuvers, Rafael Jean Sablong, Chunliang Li
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Patent number: 11490740Abstract: The invention pertains to a method of monitoring the quality of a mattress during its lifetime, wherein the mattress is an assembly of multiple separate parts, wherein the parts are mechanically interconnected, the method comprising during its lifetime, assessing at least one property of the mattress, determining whether or not the property meets a predetermined specification, and when the property does not meet the predetermined specification, identifying a part of the said multiple separate parts that corresponds to the property, removing the identified part from the assembly and optionally replacing the removed part with a replacement part, wherein the mattress that is monitored is manufactured by forming the mechanical interconnection with an adhesive, which adhesive has a first order phase-transition temperature between 80° C. and 180° C.Type: GrantFiled: July 29, 2019Date of Patent: November 8, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Alwin Papegaaij, Geert Doorlag, Hendrik Willem Dijkman, Jan Henderikus Udding
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Patent number: 11492505Abstract: Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a first oligomer comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the first oligomer comprises a polyepoxide based on Bisphenol A, F, or S, a polyepoxide based on hydrogenated Bisphenol A, F, or S, a polycarbonate, or a polyimide. The composition may further comprise a second network-forming component.Type: GrantFiled: October 30, 2017Date of Patent: November 8, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Paulus Antonius Maria Steeman, Marco Marcus Matheus Driessen, Guido Joseph Elisabeth Hansen
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Patent number: 11485865Abstract: Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a TPA-based polyester comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the TPA-based polyester comprises the reaction product of a terephthalic acid and a polyol. The composition may further comprise a second network-forming component.Type: GrantFiled: October 30, 2017Date of Patent: November 1, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Paulus Antonius Maria Steeman, Marco Marcus Matheus Driessen
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Patent number: 11485818Abstract: Described herein are thermoset compositions and kits of compositions suitable for use in additive fabrication processes including high concentrations of urethane methacrylate oligomers having at least one polymerizable group, and a number average molecular weight from 750 to 4000 g/mol, an effective quantity of a monofunctional reactive diluent monomer, a defined concentration of a network building agent having a molecular weight that is lower than the urethane methacrylate oligomer, optionally a photoinitiator, and optionally, additives. Also disclosed are methods of creating three-dimensional parts via additive fabrication processes utilizing urethane methacrylate oligomer-centric compositions, wherein various exposure irradiances, cure temperatures, and oxygen content levels are prescribed, as well as the articles cured therefrom.Type: GrantFiled: April 22, 2019Date of Patent: November 1, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Sudhanva Govindarajan, Marco Marcus Matheus Marcus Matheus Driessen
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Patent number: 11479690Abstract: A branched carboxylic acid functional polyester resin P is described herein along with thermosetting powder coating compositions (PCC A) comprising a binder K, the binder K comprising the polyester resin P and a crosslinker X. The invention further relates to a cured PCC A. In addition, processes for making said PCC A and processes for coating an article with said PCC A are described as well as articles having coated thereon the PCC A and an articles having coated and cured thereon the PCC A.Type: GrantFiled: March 9, 2021Date of Patent: October 25, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Matthias Johannes Cornelis Bos, Paulus Franciscus Anna Buijsen, Johannes Albertus Hettinga
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Patent number: 11479679Abstract: A thermosetting powder coating composition C (PCC C) includes a physical mixture of a thermosetting powder coating composition A (PCC A) with a separate, distinct thermosetting powder coating composition B (PCC B). Also provided are processes for making the thermosetting powder coating composition C and for coating an article with the thermosetting powder coating composition C. A cured thermosetting powder coating composition C (c-PCC C) is also provided so as to obtain articles having coated and cured thereon the thermosetting powder coating composition C. Heat-curing can occur at low temperatures. The cured c-PCC C is a powder coating having at least one desirable property such as excellent resistance to swelling, good smoothness, good chemical resistance, low gloss, and/or low yellowness.Type: GrantFiled: April 8, 2015Date of Patent: October 25, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Johannes Gertrudis Christianus Bongaerts, Petrus Henricus Marinus Wellenberg, Johan Franz Gradus Antonius Jansen
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Patent number: 11459419Abstract: The present invention relates to a waterborne dispersion comprising (A) amphiphilic block copolymer obtained with a controlled radical polymerization process and comprising at least blocks [A] and [B], whereby block [A] comprises ethylenically unsaturated monomer(s) bearing water-soluble and/or water-dispersible functional groups (monomer(s) (i)), and block [B] comprises ethylenically unsaturated monomer(s) different from monomer(s) (i) (monomer(s) (ii)); and (B) polymer P comprising ethylenically unsaturated monomer(s) different from (i) (monomer(s) (ii)), characterized in that the amount of block copolymer is higher than 1 and lower than 30 wt. %, based on the total weight of monomers used to prepare the block copolymer and polymer P; the acid value of the composition consisting of block copolymer and polymer P is higher than 1 and at most 35 mg KOH per g of the block copolymer-polymer P composition; the block copolymer has a calculated glass transition temperature of higher than 10° C.Type: GrantFiled: December 18, 2018Date of Patent: October 4, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Michael Arnoldus Jacobus Schellekens, Johannes Hendrikus De Bont, John Barbosa, Jon Andrew Cronin, Charles Shearer, Matthew Stewart Gebhard, Gerardus Cornelis Overbeek
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Patent number: 11400430Abstract: The invention relates to a method of making hybrid organic-inorganic core-shell nano-particles, comprising the steps of a) providing colloidal organic particles comprising a synthetic polyampholyte as a template; b) adding at least one inorganic oxide precursor; and c) forming a shell layer from the precursor on the template to result in core-shell nano-particles. With this method it is possible to make colloidal organic template particles having an average particle size in the range of 10 to 300 nm; which size can be controlled by the comonomer composition of the polyampholyte, and/or by selecting dispersion conditions. The invention also relates to organic-inorganic or hollow-inorganic core-shell nano-particles obtained with this method, to compositions comprising such nano-particles, to different uses of said nano-particles and compositions, and to products comprising or made from said nano-particles and compositions, including anti-reflective coatings and composite materials.Type: GrantFiled: September 8, 2017Date of Patent: August 2, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Nanning Joerg Arfsten, Roberto Arnoldus Dominicus Maria Habets, Michael Alphonsus Cornelis Johannes Van Dijck
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Patent number: 11396603Abstract: Liquid radiation curable compositions are disclosed which are suitable for hybrid (i.e. cationic and free-radical) polymerization when processed via additive fabrication equipment utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region. Also disclosed are methods of creating three-dimensional parts via additive fabrication processes utilizing sources of actinic radiation with peak spectral intensities in the UV/vis region employing liquid radiation curable compositions suitable for hybrid polymerization, and the parts cured therefrom.Type: GrantFiled: February 18, 2020Date of Patent: July 26, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Tai Yeon Lee, Luke Kwisnek, Johan Jansen
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Patent number: 11390023Abstract: A method of forming a three-dimensional object comprises the steps of forming a layer of a particulate composition, selectively depositing a liquid composition onto the layer of the particulate composition in accordance with computer data corresponding to the shape of at least a portion of a three-dimensional object, initiating polymerization, and repeating the steps a plurality of times to form a three-dimensional object. The particulate composition comprises a plurality of first particles that comprise a resin component comprising a first resin, the first resin comprising a first resin polymerizable group, the first resin polymerizable group comprising a carbon-carbon double bond directly attached to an electron withdrawing group, a thermal radical initiator dispersed or dissolved in the resin component, and a retardant dispersed or dissolved in the resin component.Type: GrantFiled: March 30, 2021Date of Patent: July 19, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Johan Franz Gradus Antonius Jansen, Rudolfus Antonius Theodorus Maria Van Benthem, Paulus Franciscus Anna Buijsen, Franciscus Johannes Marie Derks, Mark Petrus Franciscus Pepels, Alfred Jean Paul Buckmann
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Patent number: 11384252Abstract: The present invention relates to an aqueous coating composition comprising polyurethane A and vinyl polymer, wherein the polyurethane A comprises as building blocks at least: (a) a polyisocyanate(s) containing at least two cyclic groups, (b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has from 4 to 36 carbon atoms, and (c) a component(s) containing an isocyanate-reactive group(s), whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1.Type: GrantFiled: February 7, 2018Date of Patent: July 12, 2022Assignee: COVESTRO (NETHERLANDS) B.V.Inventors: Ilse Van Casteren, Ronald Tennebroek, Gerardus Cornelis Overbeek, Jourraine Celestijn