Patents by Inventor Johan Franz Gradus Antonius Jansen
Johan Franz Gradus Antonius Jansen 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: 11964906Abstract: 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: GrantFiled: August 27, 2019Date of Patent: April 23, 2024Assignee: Covestro (Netherlands) B.V.Inventors: Kangtai Ren, Johan Franz Gradus Antonius Jansen
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Patent number: 11932571Abstract: 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: GrantFiled: May 20, 2020Date of Patent: March 19, 2024Assignee: Covestro (Netherland) B.V.Inventor: Johan Franz Gradus Antonius Jansen
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Publication number: 20240052196Abstract: The present invention is directed to a process for producing a coating, wherein the process comprises (1) Irradiating a radiation-curable coating composition with UV light having a wavelength ?220 nm under inert gas, followed by (2) Irradiating with UV light having a wavelength ?300 nm or with E-beam, wherein the radiation-curable coating composition comprises (A) One or more oligomeric urethane acrylates (A) with a molar mass of from 1100 to 5000 g/mol with an acrylate functionality of from 4 to 14, and (B) One or more acrylate diluents (B) with a molar mass less than 650 g/mol and with an acrylate functionality of from 2 to 4, and wherein the amount of (A) is from 20 to 75 wt. % and the amount of (B) is from 25 to 80 wt. %, based on the total amount of (A) and (B), and the total amount of (A) and (B) is at least 50 wt. % by weight of the radiation-curable coating composition.Type: ApplicationFiled: February 18, 2022Publication date: February 15, 2024Inventors: Johannes Jacobus Julius VAN DEN BIGGELAAR, Michael Christopher VILLET, Johan Franz Gradus Antonius JANSEN, Marco Marcus Matheus DRIESSEN, Huimin CAO, Johannes Hendricus GROEN
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Publication number: 20230373159Abstract: 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: ApplicationFiled: July 26, 2023Publication date: November 23, 2023Applicant: Stratasys, Inc.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: 11731903Abstract: 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: GrantFiled: March 22, 2022Date of Patent: August 22, 2023Assignee: Covestro (Netherlands) B.V.Inventors: Huimin Cao, Kangtai Ren, Mark Pepels, Johan Franz Gradus Antonius Jansen
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Patent number: 11724447Abstract: 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: GrantFiled: July 21, 2017Date of Patent: August 15, 2023Assignee: 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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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: 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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RADIATION CURABLE COMPOSITIONS WITH MULTI-FUNCTIONAL LONG-ARMED OLIGOMERS FOR COATING OPTICAL FIBERS
Publication number: 20220250978Abstract: 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: ApplicationFiled: July 30, 2020Publication date: August 11, 2022Inventors: Huimin CAO, Johan Franz Gradus Antonius JANSEN, Marcel HOUBEN, Kangtai REN -
Publication number: 20220228023Abstract: 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: ApplicationFiled: May 20, 2020Publication date: July 21, 2022Inventor: Johan Franz Gradus Antonius 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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Publication number: 20220220028Abstract: 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: ApplicationFiled: March 22, 2022Publication date: July 14, 2022Inventors: Huimin CAO, Kangtai REN, Mark PEPELS, Johan Franz Gradus Antonius JANSEN
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Patent number: 11319246Abstract: 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: GrantFiled: November 5, 2018Date of Patent: May 3, 2022Assignee: Covestro (Netherlands) B.V.Inventors: Huimin Cao, Kangtai Ren, Mark Pepels, Johan Franz Gradus Antonius Jansen
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Publication number: 20210331969Abstract: 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: ApplicationFiled: August 27, 2019Publication date: October 28, 2021Inventors: Kangtai REN, Johan Franz Gradus Antonius JANSEN
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Publication number: 20210213679Abstract: 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: ApplicationFiled: March 30, 2021Publication date: July 15, 2021Inventors: 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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Publication number: 20210208333Abstract: 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 preferably possess large amounts of a reactive oligomer component that is either not substantially derived from, or preferably substantially free from polypropylene glycol, 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 and claimed are methods of using such radiation curable compositions in high speed and/or low helium optical fiber coating applications, along with the coated optical fibers produced therefrom.Type: ApplicationFiled: December 3, 2018Publication date: July 8, 2021Inventors: Kangtai REN, Paulus Antonius Maria STEEMAN, Mark PEPELS, Johan Franz Gradus Antonius JANSEN
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Patent number: 10994479Abstract: 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: July 21, 2017Date of Patent: May 4, 2021Assignee: DSM IP ASSETS 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: 10894858Abstract: 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: GrantFiled: May 20, 2020Date of Patent: January 19, 2021Assignee: DSM IP ASSETS B.V.Inventor: Johan Franz Gradus Antonius Jansen
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Publication number: 20200369822Abstract: 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: ApplicationFiled: May 20, 2020Publication date: November 26, 2020Inventor: Johan Franz Gradus Antonius JANSEN
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Publication number: 20200255333Abstract: 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: ApplicationFiled: November 5, 2018Publication date: August 13, 2020Inventors: Huimin CAO, Kangtai REN, Mark PEPELS, Johan Franz Gradus Antonius JANSEN