Patents by Inventor Paulus Antonius Maria Steeman
Paulus Antonius Maria Steeman 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: 9957643Abstract: The invention relates to a process for producing gel-spun ultra high molecular weight polyethylene (UHMWPE) fibres having high tensile strengths and improved creep rates wherein the UHMWPE used in said process is characterized by a difference in the phase angle according to Formula 1 ??=?0.001??100??(1) of at most 42°, wherein ?0.001 is the phase angle at an angular frequency of 0.001 rad/sec; and ?100 is the phase angle at an angular frequency of 100 rad/sec as measured with a frequency sweep dynamic rheological technique at 150° C. on a 10% solution of UHMWPE in paraffin oil, provided that ?100 is at most 18°. The invention further relates to gel-spun UHMWPE fibres produced thereof. The gel-spun UHMWPE fibres of the invention have a tensile strength of at least 4 GPa, and a creep rate of at most 5×10?7 sec?1 as measured at 70° C. under a load of 600 MPa.Type: GrantFiled: March 20, 2015Date of Patent: May 1, 2018Assignee: DSM IP ASSETS B.V.Inventors: Joseph Arnold Paul Maria Simmelink, Paulus Antonius Maria Steeman
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Patent number: 9862146Abstract: A method and apparatus for additive fabrication which provides a substrate which helps the newly hardened resin layer to separate from the substrate while providing a substrate of appropriate strength and durability. In an embodiment, the substrate is a multi-layer substrate comprising a transport layer and a structural layer, the transport layer comprising a polyolefin or a fluoropolymer, and the structural layer comprising a semi-crystal line thermoplastic polymer.Type: GrantFiled: June 15, 2012Date of Patent: January 9, 2018Assignee: DSM IP ASSETS B.V.Inventors: Marco Marcus Matheus Driessen, Michelle Elizabeth Seitz, Paulus Antonius Maria Steeman, John Edmond Southwell, Jigeng Xu, Richard Thomas, Micha Sandor Nicolaas Hubert Mulders
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Publication number: 20170327632Abstract: The invention relates to a radiation curable resin composition comprising a cationically polymerizable component, a cationic photoinitiator, a hydroxy component, an impact modifier and wherein the resin composition after full cure has a modulus of >2 GPa; a yield stress <70 MPa; and a K1c value >1.3 MPa·(m)1/2 or an Izod value >0.45 J/cm. The resin composition can preferably be used in the preparation of three dimensional objects.Type: ApplicationFiled: May 4, 2017Publication date: November 16, 2017Inventors: Paulus Antonius Maria STEEMAN, Beert Jacobs KEESTRA, Marco Marcus Matheus DRIESSEN, Debra Lynn FISH REPKO, Melvin ZUSSMAN
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Patent number: 9676899Abstract: The invention relates to a radiation curable resin composition comprising a cationically polymerizable component, a cationic photoinitiator, a hydroxy component, an impact modifier and wherein the resin composition after full cure has a modulus of >2 GPa; a yield stress <70 MPa; and a K1c value >1.3 MPa·(m)1/2 or an Izod value >0.45 J/cm. The resin composition can preferably be used in the preparation of three dimensional objects.Type: GrantFiled: April 26, 2007Date of Patent: June 13, 2017Assignee: DSM IP ASSETS B.V.Inventors: Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marco Marcus Matheus Driessen, Debra Lynn Fish Repko, Melvin Zussman
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Publication number: 20160326398Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.Type: ApplicationFiled: May 5, 2015Publication date: November 10, 2016Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
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Patent number: 9457515Abstract: The invention relates to a liquid radiation curable resin capable of curing into a solid upon irradiation comprising: (A) from about 0 to about 12 wt % of a cycloaliphatic epoxide having a linking ester group; (B) from about 30 to about 65 wt % of one or more epoxy functional components other than A; (C) from about 10 to about 30 wt % of one or more oxetanes; (D) from, about 1 to about 10 wt % of one or more polyols; (E) from about 2 to about 20 wt % of one or more radically curable (meth) acrylate components; (F) from about 2 to about 12 wt % of one or more impact modifiers; (G) from about 0.1 to about 8 wt % of one or more free radical photoinitiators; and (H) from about 0.1 to about 8 wt % of one or more cationic photoinitiators; wherein the liquid radiation curable resin has a viscosity at 30° C. of from about 600 cps to about 1300 cps.Type: GrantFiled: August 6, 2013Date of Patent: October 4, 2016Assignee: DSM IP Assets B.V.Inventors: John Southwell, Brett A. Register, Satyendra Kumar Sarmah, Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marcus Matheus Driessen
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Publication number: 20150191851Abstract: The invention relates to a process for producing gel-spun ultra high molecular weight polyethylene (UHMWPE) fibres having high tensile strengths and improved creep rates wherein the UHMWPE used in said process is characterized by a difference in the phase angle according to Formula 1 ??=?0.001??100??(1) of at most 42°, wherein ?0.001 is the phase angle at an angular frequency of 0.001 rad/sec; and ?100 is the phase angle at an angular frequency of 100 rad/sec as measured with a frequency sweep dynamic rheological technique at 150° C. on a 10% solution of UHMWPE in paraffin oil, provided that ?100 is at most 18°. The invention further relates to gel-spun UHMWPE fibres produced thereof. The gel-spun UHMWPE fibres of the invention have a tensile strength of at least 4 GPa, and a creep rate of at most 5×10?7 sec?1 as measured at 70° C. under a load of 600 MPa.Type: ApplicationFiled: March 20, 2015Publication date: July 9, 2015Applicant: DSM IP ASSETS B.V.Inventors: Joseph Arnold Paul Maria SIMMELINK, Paulus Antonius Maria STEEMAN
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Patent number: 9005753Abstract: The invention relates to a process for producing gel-spun ultra high molecular weight polyethylene (UHMWPE) fibres having high tensile strengths and improved creep rates wherein the UHMWPE used in said process is characterized by a difference in the phase angle according to Formula (1) ??=?0.001??100 of at most 42°, wherein ?0.001 is the phase angle at an angular frequency of 0.001 rad/sec; and ?100 is the phase angle at an angular frequency of 100 rad/sec as measured with a frequency sweep dynamic rheological technique at 150° C. on a 10% solution of UHMWPE in paraffin oil, provided that ?100 is at most 18°. The invention further relates to gel-spun UHMWPE fibres produced thereof. The gel-spun UHMWPE fibres of the invention have a tensile strength of at least 4 GPa, and a creep rate of at most 5×10?7 sec?1 as measured at 70° C. under a load of 600 MPa.Type: GrantFiled: October 6, 2008Date of Patent: April 14, 2015Assignee: DSM IP Assets B.V.Inventors: Joseph Arnold Paul Maria Simmelink, Paulus Antonius Maria Steeman
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Publication number: 20140353878Abstract: A method and apparatus for additive fabrication which provides a substrate which helps the newly hardened resin layer to separate from the substrate while providing a substrate of appropriate strength and durability. In an embodiment, the substrate is a multi-layer substrate comprising a transport layer and a structural layer, the transport layer comprising a polyolefin or a fluoropolymer, and the structural layer comprising a semi-crystal line thermoplastic polymer.Type: ApplicationFiled: June 15, 2012Publication date: December 4, 2014Applicant: DSM IP ASSETS B.V.Inventors: Marco Marcus Matheus Driessen, Michelle Elizabeth Seitz, Paulus Antonius Maria Steeman, John Edmond Southwell, Jigeng Xu, Richard Thomas, Micha Sandor Nicolaas Hubert Mulders
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Publication number: 20140099063Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.Type: ApplicationFiled: December 12, 2013Publication date: April 10, 2014Applicant: DSM IP ASSETS B.V.Inventors: Paulus Antonius Maria STEEMAN, Xiaosong WU, Steven R. SCHMID, Edward J. MURPHY, John M. ZIMMERMAN, Anthony Joseph TORTORELLO
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Publication number: 20140035202Abstract: The invention relates to a liquid radiation curable resin capable of curing into a solid upon irradiation comprising: (A) from about 0 to about 12 wt % of a cycloaliphatic epoxide having a linking ester group; (B) from about 30 to about 65 wt % of one or more epoxy functional components other than A; (C) from about 10 to about 30 wt % of one or more oxetanes; (D) from, about 1 to about 10 wt % of one or more polyols; (E) from about 2 to about 20 wt % of one or more radically curable (meth)acrylate components; (F) from about 2 to about 12 wt % of one or more impact modifiers; (G) from about 0.1 to about 8 wt % of one or more free radical photoinitiators; and (H) from about 0.1 to about 8 wt % of one or more cationic photoinitiators; wherein the liquid radiation curable resin has a viscosity at 30° C. of from about 600 cps to about 1300 cps.Type: ApplicationFiled: August 6, 2013Publication date: February 6, 2014Applicant: DSM IP ASSETS B.V.Inventors: John Southwell, Brett A. Register, Satyendra Kumar Sarmah, Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marcus Matheus Driessen
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Patent number: 8501033Abstract: The invention relates to a liquid radiation curable resin capable of curing into a solid upon irradiation comprising: (A) from about 0 to about 12 wt % of a cycloaliphatic epoxide having a linking ester group; (B) from about 30 to about 65 wt % of one or more epoxy functional components other than A; (C) from about 10 to about 30 wt % of one or more oxetanes; (D) from, about 1 to about 10 wt % of one or more polyols; (E) from about 2 to about 20 wt % of one or more radically curable (meth)acrylate components; (F) from about 2 to about 12 wt % of one or more impact modifiers; (G) from about 0.1 to about 8 wt % of one or more free radical photoinitiators; and (H) from about 0.1 to about 8 wt % of one or more cationic photoinitiators; wherein the liquid radiation curable resin has a viscosity at 30° C. of from about 600 cps to about 1300 cps.Type: GrantFiled: March 12, 2010Date of Patent: August 6, 2013Assignee: DSM IP Assets B.V.Inventors: John Southwell, Brett A. Register, Satyendra Kumar Sarmah, Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marcus Matheus Driessen
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Patent number: 8426020Abstract: The invention provides an optical fiber coated with a Supercoating, wherein the Supercoating comprises at least two layers, wherein the first layer is a Primary Coating that is in contact with the outer surface of the optical fiber and the second layer is a Secondary Coating in contact with the outer surface of the Primary Coating, wherein the cured Primary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 84% to about 99%; B) an in-situ modulus of between about 0.15 MPa and about 0.60 MPa; and C) a Tube Tg, of from about ?25° C. to about ?55° C.; wherein the cured Secondary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 80% to about 98%; B) an in-situ modulus of between about 0.60 GPa and about 1.90 GPa; and C) a Tube Tg, of from about 50° C. to about 80° C.Type: GrantFiled: December 13, 2007Date of Patent: April 23, 2013Assignee: DSM IP Assets B.V.Inventors: Steven R. Schmid, Petrus Jacobus Hubertus Niels, Paulus Antonius Maria Steeman, Xiaosong Wu, Wendell Wayne Cattron, Tyson Dean Norlin, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
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Publication number: 20120282439Abstract: The invention relates to a radiation curable resin composition comprising a cationically polymerizable component, a cationic photoinitiator, a hydroxy component, and an impact modifier. The resin composition can preferably be used in the preparation of three dimensional objects.Type: ApplicationFiled: July 19, 2012Publication date: November 8, 2012Applicant: DSM IP ASSETS B.V.Inventors: Paulus Antonius Maria STEEMAN, Beert Jacobus Keestra, Marco Marcus Matheus Driessen, Debra Lynn Fish Repko, Melvin Zussman
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Patent number: 7906566Abstract: The invention relates to a curable liquid resin composition comprising: (A) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 800 g/mol or more, but less than 6,000 g/mol, and (B) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 6,000 g/mol or more, but less than 20,000 g/mol, wherein the total amount of the component (A) and component (B) is 20-95 wt % of the curable liquid resin composition and the content of the component (B) is 0.1-30 wt % of the total of the component (A) and component (B).Type: GrantFiled: September 17, 2004Date of Patent: March 15, 2011Assignee: DSM IP Assets B.V.Inventors: Masanobu Sugimoto, Satoshi Kamo, Takeo Shigemoto, Zen Komiya, Paulus Antonius Maria Steeman
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Publication number: 20100329617Abstract: The invention relates to a radiation-curable primary coating composition comprising 0.6-10 vol % of particles which when cured has an equilibrium modulus of about 1.5 MPa or less, and a cavitation strength at which a tenth cavity appears (?10cav) of at least about 1.1 MPa.Type: ApplicationFiled: December 4, 2007Publication date: December 30, 2010Inventors: Markus Johannes Henricus Bulters, Paulus Antonius Maria Steeman, Aylvin Jorge Angelo Athanasi Dias, Beert Jacobus Keestra
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Publication number: 20100304088Abstract: The invention relates to a radiation curable resin composition comprising a cationically polymerizable component, a cationic photoinitiator, a hydroxy component, an impact modifier and wherein the resin composition after full cure has a modulus of >2 GPa; a yield stress<70 MPa; and a K1c value>1.3 MPa. (m)1/2 or an Izod value>0.45 J/cm. The resin composition can preferably be used in the preparation of three dimensional objects.Type: ApplicationFiled: April 26, 2007Publication date: December 2, 2010Inventors: Paulus Antonius Maria Steeman, Beert Jacobus Keestra, Marco Marcus Matheus Driessen, Debra Lynn Fish Repko, Melvin Zussman
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Publication number: 20100286728Abstract: The invention relates to a process for producing gel-spun ultra high molecular weight polyethylene (UHMWPE) fibres having high tensile strengths and improved creep rates wherein the UHMWPE used in said process is characterized by a difference in the phase angle according to Formula (1) ??=?0.001??100 of at most 42°, wherein ?0.001 is the phase angle at an angular frequency of 0.001 rad/sec; and ?100 is the phase angle at an angular frequency of 100 rad/sec as measured with a frequency sweep dynamic rheological technique at 150° C. on a 10% solution of UHMWPE in paraffin oil, provided that ?100 is at most 18°. The invention further relates to gel-spun UHMWPE fibres produced thereof. The gel-spun UHMWPE fibres of the invention have a tensile strength of at least 4 GPa, and a creep rate of at most 5×10?7 sec?1 as measured at 70° C. under a load of 600 MPa.Type: ApplicationFiled: October 6, 2008Publication date: November 11, 2010Inventors: Joseph Arnold Paul Maria Simmelink, Paulus Antonius Maria Steeman
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Publication number: 20080226916Abstract: Radiation curable coatings for use as a Primary Coating for optical fibers, optical fibers coated with said coatings and methods for the preparation of coated optical fibers. The radiation curable coating comprises at least one (meth)acrylate functional oligomer and a photoinitiator, wherein the urethane-(meth)acrylate oligomer CA/CR comprises (meth)acrylate groups, at least one polyol backbone and urethane groups, wherein about 15% or more of the urethane groups are derived from one or both of 2,4- and 2,6-toluene diisocyanate, wherein at least 15% of the urethane groups are derived from a cyclic or branched aliphatic isocyanate, and wherein said (meth)acrylate functional oligomer has a number average molecular weight of from at least about 4000 g/mol to less than or equal to about 15,000 g/mol; and wherein a cured film of the radiation curable Primary Coating composition has a modulus of less than or equal to about 1.2 MPa.Type: ApplicationFiled: December 13, 2007Publication date: September 18, 2008Inventors: Paulus Antonius Maria STEEMAN, Xiansong Wu, Steven R. Schmid, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello
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Publication number: 20080226909Abstract: The invention provides an optical fiber coated with a Supercoating, wherein the Supercoating comprises at least two layers, wherein the first layer is a Primary Coating that is in contact with the outer surface of the optical fiber and the second layer is a Secondary Coating in contact with the outer surface of the Primary Coating, wherein the cured Primary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 84% to about 99%; B) an in-situ modulus of between about 0.15 MPa and about 0.60 MPa; and C) a Tube Tg, of from about ?25° C. to about ?55° C.; wherein the cured Secondary Coating on the optical fiber has the following properties after initial cure and after one month aging at 85° C. and 85% relative humidity: A) a % RAU of from about 80% to about 98%; B) an in-situ modulus of between about 0.60 GPa and about 1.90 GPa; and C) a Tube Tg, of from about 50° C. to about 80° C.Type: ApplicationFiled: December 13, 2007Publication date: September 18, 2008Inventors: Steven R. Schmid, Petrus Jacobus Hubertus Niels, Paulus Antonius Maria Steeman, Xiaosong Wu, Wendell Wayne Cattron, Tyson Dean Norlin, Edward J. Murphy, John M. Zimmerman, Anthony Joseph Tortorello