Patents Assigned to COVESTRO (NETHERLANDS) B.V.
  • Patent number: 11965050
    Abstract: The present invention further relates to a waterborne dispersion comprising (A) polymer P; (B) 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 (C) crosslinker, characterized in that the polymer P is crosslinkable and comprises ethylenically unsaturated monomer(s) bearing crosslinkable functional groups different from monomer(s) (i) and monomer(s) (ii) (monomer(s) (iii)) in an amount of from 1 to 10 wt. %, based on the total weight of monomers used to prepare the polymer P, the amount of lock copolymer is higher than 1 wt. % and lower than 30 wt.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: April 23, 2024
    Assignee: 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
  • Patent number: 11964906
    Abstract: Described herein are methods of producing a coated optical fiber from a primary and/or secondary coating composition that contain a reactive oligomer having an average of at least one polymerizable group, a monomer having an average of at least one polymerizable group, and a photoinitiator, wherein the photoinitiator possesses specified normalized rates of polymerization at (150) degrees Celsius and/or a potential excited triplet state with certain ionization potential values. Also described and claimed are the compositions for use therewith, including primary coating compositions and secondary coating compositions. Yet further described and claimed are the coated optical fibers produced from the methods and/or compositions elsewhere described.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 23, 2024
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Kangtai Ren, Johan Franz Gradus Antonius Jansen
  • Patent number: 11952453
    Abstract: Described and claimed herein are radiation curable compositions for coating an optical fiber, particularly primary coating compositions, wherein the composition possesses specified liquid glass transition temperatures, and/or viscosity ratios between, e.g., 25° C. and 85° C. Such compositions possess preferably high amounts of a reactive oligomer component with a backbone not derived from polypropylene glycol, preferably reactive oligomers with select diisocyanate constituents, one or more reactive diluent monomers, a photoinitiator, and optionally, one or more additives. Such compositions also are preferably sufficiently viscous at room temperature to ensure optimum optical fiber coating processability. Also described are methods of coating the radiation curable compositions elsewhere described, and the fiber optic coatings resulting therefrom.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 9, 2024
    Assignee: Covestro (Netherlands) B.V
    Inventors: Xiaosong Wu, Paulus Antonius Maria Steeman, Adrianus Cornelis Bastiaan Bogaerds, Mark Pepels, Guido Joseph Elisabeth Hensen
  • Patent number: 11932716
    Abstract: There is provided a radiation-curable resin composition for formation of a primary covering layer, the radiation-curable resin composition being able to form a cured layer having excellent flexibility and adequate mechanical strength. A radiation-curable resin composition for formation of a primary covering layer of an optical fiber, comprising a urethane oligomer, a polymerization initiator and a free-radically polymerizable non-urethane monomer, the urethane oligomer being the reaction product of a polyether-based urethane prepolymer and an isocyanate reactive compound containing one active hydrogen group, the isocyanate reactive compound containing an aliphatic alcohol and an ethylenic unsaturated group-containing isocyanate reactive compound, and the aliphatic alcohol content in the isocyanate reactive compound being 24 mol % or higher.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 19, 2024
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Noriyasu Shinohara, Seiichirou Takahashi
  • Patent number: 11932571
    Abstract: Radiation curable compositions for coating optical fibers are disclosed herein. In an embodiment, a radiation curable composition includes a reactive oligomer component, wherein a portion of the polymerizable groups of the reactive oligomer component include methacrylate groups; a reactive diluent monomer component, wherein a portion of the polymerizable groups of the reactive diluent monomer component include acrylate groups, acrylamide groups, or N-vinyl amide groups, or combinations thereof; a photoinitiator component, and an optional additive component. Also described are methods of coating the radiation curable compositions elsewhere described, and the fiber optic coatings and cables resulting therefrom.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: March 19, 2024
    Assignee: Covestro (Netherland) B.V.
    Inventor: Johan Franz Gradus Antonius Jansen
  • Patent number: 11878969
    Abstract: The present invention relates to a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): (A) whereby R?, R?, R1, R2, R3 and R4 are as defined herein m is an integer from 1 to 6; b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 600 Daltons to 5000 Daltons. The multi-aziridine compound can be used for example for crosslinking of for example carboxylic acid functional polymers dissolved and/or dispersed in an aqueous medium.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: January 23, 2024
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Gerardus Cornelis Overbeek, Patrick Johannes Maria Stals, Daan Van Der Zwaag, Alfred Jean Paul Bückmann
  • Publication number: 20230407132
    Abstract: Described herein are thermoset compositions and kits of compositions suitable for use in additive fabrication processes including specified concentrations of reactive compounds including urethane-(meth)acrylate compounds, monofunctional diluent monomers, and methacrylate-functional compounds having 1.5 polymerizable groups or more. Also described and claimed are methods of creating three-dimensional parts via additive fabrication processes utilizing the compositions elsewhere herein described and claimed, as well as the articles cured therefrom.
    Type: Application
    Filed: October 27, 2021
    Publication date: December 21, 2023
    Applicant: Covestro (Netherlands) B.V.
    Inventor: Govindarajan SUDHANVA
  • Patent number: 11807781
    Abstract: The invention relates to an one-component (1 K) thermosetting powder coating composition A (PCC A). The invention further relates to a process for making the thermosetting powder coating composition A and processes for coating an article with the PCC A. The invention further relates to a cured PCC A. The invention further relates to an article having coated thereon the thermosetting powder coating composition A as well as to an article having coated and cured thereon the thermosetting powder coating composition A. The invention further relates to the use of: the PCC A, the cured PCC A, articles coated with the PCC A, articles having coated and cured thereon the PCC A. The invention further relates to the use of the PCC A for matt powder coatings. The invention further relates to the use of the PCC A for matt and impact resistant powder coatings.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: November 7, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Leendert Jan Molhoek, Nicole Anne Marie Willems, Wouter Van Houts, Menno Ferdinand Van Hierden, Paulus Franciscus Anna Buijsen
  • Patent number: 11731903
    Abstract: The present invention is directed to water-swellable, radiation curable compositions suitable for use in coating water-blocking fibers, such as optical fibers. The present invention is further directed to fibers, including optical fibers, which are coated with water-swellable exterior coatings that are configured to buckle and detach from the associated fiber to facilitate superior performance in longitudinal water-blocking testing. Also claimed and described are methods of applying such water-swellable coatings to optical fiber coatings. Further claimed and described are buffered bundles of fibers including at least one optical fiber that is coated with a water-swellable, radiation curable coating to ensure superior longitudinal water blocking performance.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: August 22, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Huimin Cao, Kangtai Ren, Mark Pepels, Johan Franz Gradus Antonius Jansen
  • Patent number: 11724447
    Abstract: 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, 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. Either or both of the particulate composition and the liquid composition comprise an initiator capable of initiating polymerization of at least the first resin. At least the first resin undergoes melting and polymerization in a plurality of the locations where the liquid composition has been selectively deposited.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: August 15, 2023
    Assignee: 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
  • Patent number: 11643501
    Abstract: 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: Grant
    Filed: August 12, 2019
    Date of Patent: May 9, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Cornelis Eme Koning, Adrianus Jozephus Hendricus Lansbergen, Amyke Veurink, Bauke De Vries, Albertus Ronald Hofkamp, Bas Jacobus Catharina Tuijtelaars
  • Patent number: 11634592
    Abstract: 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: Grant
    Filed: October 29, 2020
    Date of Patent: April 25, 2023
    Assignee: COVESTRO (NETHERLANDS) B.V.
    Inventors: Cornelis Eme Koning, Theo Veldhuis, Leendert Jan Molhoek, Paulus Franciscus Anna Buijsen, Jan Pieter Drijfhout
  • Patent number: 11590706
    Abstract: 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: Grant
    Filed: May 3, 2019
    Date of Patent: February 28, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Aylvin Jorge Angelo Athanasius Dias, Franciscus Johannes Marie Derks
  • Patent number: 11578215
    Abstract: 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: Grant
    Filed: April 17, 2018
    Date of Patent: February 14, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Roberto Arnoldus Dominicus Maria Habets, Camille Charline Marie-Cécile Carcouet, Damien Reardon
  • Patent number: 11578221
    Abstract: 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: Grant
    Filed: December 14, 2018
    Date of Patent: February 14, 2023
    Assignee: 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
  • Patent number: 11535758
    Abstract: 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: Grant
    Filed: September 27, 2017
    Date of Patent: December 27, 2022
    Assignee: Covestro (Netherlands) B.V.
    Inventor: Johannes Gertrudis Christianus Bongaerts
  • Patent number: 11530163
    Abstract: 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: Grant
    Filed: July 30, 2020
    Date of Patent: December 20, 2022
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Huimin Cao, Johan Franz Gradus Antonius Jansen, Marcel Houben, Kangtai Ren
  • Patent number: 11525061
    Abstract: 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: Grant
    Filed: July 16, 2018
    Date of Patent: December 13, 2022
    Assignee: 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
  • Patent number: 11512165
    Abstract: 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: Grant
    Filed: August 20, 2020
    Date of Patent: November 29, 2022
    Assignee: 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
  • Patent number: 11490740
    Abstract: 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: Grant
    Filed: July 29, 2019
    Date of Patent: November 8, 2022
    Assignee: COVESTRO (NETHERLANDS) B.V.
    Inventors: Alwin Papegaaij, Geert Doorlag, Hendrik Willem Dijkman, Jan Henderikus Udding