Patents by Inventor Johannes Adrianus Van Eekelen
Johannes Adrianus Van Eekelen 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: 8792761Abstract: An optical fiber includes a glass core and a protective coating consisting of a single coating layer disposed to surround the glass core, wherein the single coating layer is formed from a cured polymeric material obtained by curing a radiation curable composition including: (i) a radiation curable urethane (meth)acrylate oligomer, preferably including a backbone derived from polyoxytetramethylene glycol, (ii) at least one monofunctional reactive monomer, (iii) at least one multifunctional reactive monomer, and (iv) an adhesion promoter.Type: GrantFiled: April 23, 2009Date of Patent: July 29, 2014Assignee: Prysmian S.p.A.Inventors: Lidia Terruzzi, Johannes Adrianus Van Eekelen, Sabrina Fogliani
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Publication number: 20140163132Abstract: The present invention relates to a radiation curable coating composition comprising a radiation curable oligomer comprising a backbone derived from polypropylene glycol and a dimer acid based polyester polyol, wherein said coating composition, when cured, is having: a) a hardening temperature (Th) of from ?10° C. to about ?20° C. and a modulus measured at said Th of lower than 5.0 MPa; or b) a hardening temperature (Th) of from ?20° C. to about ?30° C. and a modulus measured at said Th of lower than 20.0 MPa; or c) a hardening temperature (Th) of lower than about ?30° C. and a modulus measured at said Th of lower than 70.0 MPa.Type: ApplicationFiled: October 1, 2013Publication date: June 12, 2014Applicant: DSM IP ASSETS B.VInventors: Sandra Joanna NAGELVOORT, Johannes Adrianus VAN EEKELEN, Adrianus Gijsbertus Maria ABEL, Gouke Dirk-Jan GEUS, Duurt Pieter Willem ALKEMA, Giacomo Stefano ROBA, Marco ARIMONDI, Lidia TERRUZZI, Sabrina FOGLIANI
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Publication number: 20120093470Abstract: An optical fiber includes a glass core and a protective coating consisting of a single coating layer disposed to surround the glass core, wherein the single coating layer is formed from a cured polymeric material obtained by curing a radiation curable composition including: (i) a radiation curable urethane(meth)acrylate oligomer, preferably including a backbone derived from polyoxytetramethylene glycol, (ii) at least one monofunctional reactive monomer, (iii) at least one multifunctional reactive monomer, and (iv) an adhesion promoter.Type: ApplicationFiled: April 23, 2009Publication date: April 19, 2012Inventors: Lidia Terruzzi, Johannes Adrianus Van Eekelen, Sabrina Fogliani
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Publication number: 20090080851Abstract: The present invention relates to a radiation curable coating composition comprising a radiation curable oligomer comprising a backbone derived from polypropylene glycol and a dimer acid based polyester polyol, wherein said coating composition, when cured, is having: a) a hardening temperature (Th) of from ?10° C. to about ?20° C. and a modulus measured at said Th of lower than 5.0 MPa; or b) a hardening temperature (Th) of from ?20° C. to about ?30° C. and a modulus measured at said Th of lower than 20.0 MPa; or c) a hardening temperature (Th) of lower than about ?30° C. and a modulus measured at said Th of lower than 70.0 MPa.Type: ApplicationFiled: November 12, 2008Publication date: March 26, 2009Applicant: DSM IP ASSETS B.V.,Inventors: Sandra Joanna Nagelvoort, Johannes Adrianus Van Eekelen, Adrianus Gijsbertus Maria Abel, Gouke Dirk-Jan Geus, Duurt Pieter Willem Alkema, Giacomo Stefano Roba, Marco Arimondi, Lidia Terruzzi, Sabrina Fogliani
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Patent number: 7317858Abstract: An optical fiber having an internal glass portion, a first coating layer surrounding the glass portion and a second coating layer surrounding the first coating layer. The first coating layer is formed from a cured polymeric material obtained by curing a radiation curable composition having a radiation curable oligomer having a backbone derived from polypropylene glycol and a dimer acid based polyester polyol. The cured polymeric material has: (a) a hardening temperature (Th) from ?10° C. to about ?20° C. and a modulus measured at the Th lower than 5.0 MPa; or (b) a hardening temperature (Th) from ?20° C. to about ?30° C. and a modulus measured at the Th lower than 20.0 MPa; or (c) a hardening temperature (Th) lower than about ?30° C. and a modulus measured at the Th lower than 70.0 MPa.Type: GrantFiled: April 24, 2002Date of Patent: January 8, 2008Assignee: Prysmian Cavi E Sistemi Energia S.R.L.Inventors: Giacomo Stefano Roba, Lidia Terruzzi, Sabrina Fogliani, Marco Armondi, Sandra Joanna Nagelvoort, Johannes Adrianus Van Eekelen, Adrianus Gijsbertus Maria Abel, Gouke Dirk Jan Geus, Duurt Pieter Willem Alkema
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Patent number: 7200310Abstract: Optical fiber capable of controlling attenuation losses caused by microbending on the signal transmitted thereby. The optical fiber comprises: a) an internal glass portion; b) a first coating layer of a first polymeric material surrounding said glass portion; and c) a second coating layer of a second polymeric material surrounding said first coating layer, wherein said first polymeric material has a hardening temperature lower than ?10° C., an equilibrium tensile modulus lower than 1.5 MPa, wherein said first coating layer has a thickness of from 18 ?m to 28 ?m and wherein said second coating layer has a thickness of from 10 ?m to 20 ?m.Type: GrantFiled: May 30, 2006Date of Patent: April 3, 2007Assignee: Prysmian Cavi e Sistemi Energia S.r.l.Inventors: Giacomo Stefano Roba, Lidia Terruzzi, Sabrina Fogliani, Marco Arimondi, Sandra Joanna Nagelvoort, Johannes Adrianus Van Eekelen, Adrianus Gijsbertus Maria Abel, Gouke Dirk Jan Geus, Duurt Pleter Willem Alklma
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Patent number: 7174079Abstract: Optical fiber ribbon having an optical fiber with a radiation curable internal coating and a radiation curable colored coating disposed to surround the internal coating, and a radiation curable matrix material surrounding one or more of the optical fibers to form a ribbon, in which: the colored coating has a degree of adhesion to the inner coating which is higher than the degree of adhesion to the matrix material; and the optical fiber in the optical fiber ribbon shows, upon aging of the ribbon for at least two weeks in water at 60° C., an increase in the attenuation of the transmitted signal at 1550 nm of less than 0.05 db/km with respect to the attenuation of the assembled optical fiber measured before aging.Type: GrantFiled: June 15, 2001Date of Patent: February 6, 2007Assignee: Prysmian Cavi e Sistemi Energia S.r.l.Inventors: Adrianus Gijsbertus Maria Abel, Albert Allan De Vries, Gouke Dirk Jan Geus, Johannes Cornelis Van Den Burg, Johannes Adrianus Van Eekelen, Alessandro Ginocchio, Massimo Pizzorno
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Patent number: 7085466Abstract: A method for controlling attenuation losses caused by microbending on the signal transmitted by an optical fiber having an internal glass portion. A first coating layer of a first polymeric material surrounds the glass portion and a second coating layer of a second polymeric material surrounds the first coating layer. The first polymeric material has a hardening temperature lower than 10° and an equilibrium modulus lower than 1.5 MPa.Type: GrantFiled: April 24, 2002Date of Patent: August 1, 2006Assignee: Pirelli & C. SPAInventors: Giacomo Stefano Roba, Lidia Terruzzi, Sabrina Fogliani, Marco Arimondi, Sandra Joanna Nagelvoort, Johannes Adrianus Van Eekelen, Adrianus Gijsbertus Maria Abel, Gouke Dirk Jan Geus, Duurt Pleter Willem Alkema
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Publication number: 20040062501Abstract: Optical fiber ribbon having an optical fiber with a radiation curable internal coating and a radiation curable colored coating disposed to surround the internal coating, and a radiation curable matrix material surrounding one or more of the optical fibers to form a ribbon, in which: the colored coating has a degree of adhesion to the inner coating which is higher than the degree of adhesion to the matrix material; and the optical fiber in the optical fiber ribbon shows, upon aging of the ribbon for at least two weeks in water at 60° C., an increase in the attenuation of the transmitted signal at 1550 nm of less than 0.05 db/km with respect to the attenuation of the assembled optical fiber measured before aging.Type: ApplicationFiled: September 17, 2003Publication date: April 1, 2004Inventors: Adrianus Gijsbertus Maria Abel, Albert Allan De Vries, Gouke Dirk Jan Geus, Johannes Cornelis Van Den Burg, Johannes Adrianus Van Eekelen, Alessandro Ginocchio, Massimo Pizzorno