Patents by Inventor Pieter Gijsman
Pieter Gijsman 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).
-
Publication number: 20230366128Abstract: The invention relates to a creep optimized gel-spun fiber comprising a polyethylene fiber body obtained by spinning an UHMWPE comprising alkyl branches (AB) and having an elongational stress (ES), and a ratio ( AB / 1000 ? C E ? S ) of at least 0.2 mm2/N, wherein a stabilizer is present inside the fiber body, characterized in that the amount of said stabilizer is between 0.05 and 10 parts by weight based on 100 parts by weight of the amount of the PE forming said fiber body.Type: ApplicationFiled: July 10, 2023Publication date: November 16, 2023Inventors: Martin Pieter VLASBLOM, Pieter GIJSMAN
-
Patent number: 11721775Abstract: The present invention relates to a back-sheet comprising a weatherable layer, a structural layer and a functional layer whereby one of the layers comprises polybutylene terephthalate and one or both of the other layers comprises a polyolefin. The layer comprising polybutylene terephthalate preferably further comprises an impact modifier. The impact modifier comprises an elastomer that contains functional groups that bond chemically and/or interact physically with the polybutylene terephthalate and wherein the elastomer constitutes the dispersed phase at a concentration of 1-49 Vol %. Preferably the elastomer contains epoxy functional groups. The polyolefin is selected from the group consisting of polyethylene homo or copolymers, polypropylene homo or (block-)copolymers, cyclic olefin copolymers, polymethylpentene, a thermoplastic polyolefine (TPO), or blends thereof.Type: GrantFiled: March 28, 2019Date of Patent: August 8, 2023Assignee: ENDURANCE SOLAR SOLUTIONS B.V.Inventors: Franciscus Gerardus Henricus Van Duijnhoven, Robert Hendrik Catharina Janssen, Pieter Gijsman, Mark Martinus Maria Janssen
-
Publication number: 20220416104Abstract: The present invention relates to a photovoltaic module backsheet, comprising photovoltaic module backsheet comprising, in order: a functional layer; a connecting layer; and a weather-resistant layer, wherein each layer of the backsheet comprises at least 50 wt. % polyolefin and the backsheet is free of fluorinated polymers, characterized in that: i) the functional layer comprises a blend of polyethylene and a polyethylene copolymer; and ii) the weather-resistant layer comprises polypropylene; a UV stabilizer; a primary antioxidant, which primary antioxidant is a phenolic antioxidant or an aromatic amine antioxidant; and secondary antioxidant, which secondary antioxidant is a trivalent phosphorus containing antioxidant or a thioether containing antioxidant. The present invention also relates to a process for producing the backsheet and a photovoltaic module comprising the backsheet according to the present invention.Type: ApplicationFiled: November 20, 2020Publication date: December 29, 2022Inventors: Pieter GIJSMAN, Robert JANSSEN, Alessandro GUALDI, Wei HUANG, Ruofei ZHAO
-
Patent number: 11214682Abstract: The invention relates to a polyamide composition comprising: a. A semi-crystalline polyamide; b. An impact modifier in an amount ranging from 1 wt % to 50 wt %; c. A branching agent in an amount ranging from 0.01 to 6.0 wt %; d. An inorganic stabilizer in an amount ranging from 0.01 wt % to 2.0 wt %; e. An organic stabilizer E1 comprising a primary antioxidant group in an amount ranging from 0.01 wt % to 2.0 wt and an organic stabilizer E2 comprising a hindered amine group in an amount ranging from 0.01 wt % to 4.0 wt %; or an organic stabilizer E3 comprising a primary antioxidant group and a hindered amine group in an amount ranging from 0.02 to 6.0 wt %; or a combination of E1, E2 and E3 in a total amount of 0.02 to 6.0 wt %; wherein all wt % are based on the total amount of polyamide composition. The invention also relates to a process for preparing a container by blow molding this composition, as well as use of the container in various applications.Type: GrantFiled: July 23, 2015Date of Patent: January 4, 2022Assignee: DSM IP ASSETS B.V.Inventors: Wilhelmus Josephus Maria Sour, Pieter Gijsman
-
Publication number: 20210013351Abstract: The present invention relates to a back-sheet comprising a weatherable layer, a structural layer and a functional layer whereby one of the layers comprises polybutylene terephthalate and one or both of the other layers comprises a polyolefin. The layer comprising polybutylene terephthalate preferably further comprises an impact modifier. The impact modifier comprises an elastomer that contains functional groups that bond chemically and/or interact physically with the polybutylene terephthalate and wherein the elastomer constitutes the dispersed phase at a concentration of 1-49 Vol %. Preferably the elastomer contains epoxy functional groups. The polyolefin is selected from the group consisting of polyethylene homo or copolymers, polypropylene homo or (block-)copolymers, cyclic olefin copolymers, polymethylpentene, a thermoplastic polyolefine (TPO), or blends thereof.Type: ApplicationFiled: March 28, 2019Publication date: January 14, 2021Inventors: Franciscus Gerardus Henricus VAN DUIJNHOVEN, Robert Hendrik Catharina JANSSEN, Pieter GIJSMAN, Mark Martinus Maria JANSSEN
-
Publication number: 20200024773Abstract: The invention relates to a gel-spun fiber comprising an ultra-high molecular weight polyethylene (UHMWPE), wherein the UHMWPE has an intrinsic viscosity (IV) of at least 4 dL/g and comprises at least 0.3 short chain branches per thousand total carbon atoms (SCB/1000TC), characterized in that the fiber further comprises between 0.1 and 10 parts by weight of carbon black based on 100 parts by weight of the amount of the polyethylene forming the fiber. The invention further relates to a yarn comprising at least 5 such gel-spun fibers as well as to articles comprising said fibers or yarns.Type: ApplicationFiled: September 25, 2017Publication date: January 23, 2020Applicant: DSM IP Assets B.V.Inventors: Martin Pieter VLASBLOM, Johannes Gabriël Marie DRIEMAN, Pieter GIJSMAN
-
Patent number: 10118998Abstract: Processes for producing an (ultra) high molecular weight polyethylene (HMWPE) article include incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-linking the (U)HMWPE during or after molding the (U)HMWPE resin.Type: GrantFiled: December 28, 2016Date of Patent: November 6, 2018Assignee: DSM IP ASSETS B.V.Inventors: Harold Jan Smelt, Pieter Gijsman, Martin Van Duin
-
Patent number: 9980898Abstract: The invention relates to a polymer composition suitable for high-heat application comprising: a. At least one polymer 1 having a solubility parameter ?P1; b. A thermo-releasable substance being a liquid at 200° C. and having a solubility parameter ?sub in an amount of at least 0.1 wt % with respect to the total amount of composition; and wherein the amount of thermo-releasable substance is in the range from 0.5 wt % to 70 wt % with respect to the polymer 1; wherein ?=(?sub??P1)2 is in the range from 0.5 to 24.0 and wherein the solubility parameter is calculated by the software package Synthia, Materials Studio v.6.0.0 ©2011, based on the method by J. Bicerano, Prediction of Polymer Properties, Marcel Dekker, 3rd Ed, 2002, ISBN 0-8247-0821-0; Chapter 5, and in which the E-modulus of the composition as measured according to method ISO 527-1 at 200° C. is at least 50 MPa. The invention also relates to personal care devices and hair-straighteners comprising this polymer composition.Type: GrantFiled: August 29, 2014Date of Patent: May 29, 2018Assignee: DSM IP ASSETS B.V.Inventors: Travis Baughman, Robin Elisabeth Maria Jacobus Daenen, Alexander Antonius Marie Stroeks, Franciscus Johannes Marie Derks, Pieter Gijsman
-
Patent number: 9951466Abstract: The present invention relates to a high-heat-delivery device suitable for use in an hair straightener, a hair curling iron or an ironing apparatus and suitable for heat transfer to a substrate by direct contact with said substrate, comprising at least one element (A) having a heat transfer contact surface area and at least one element (B) having a heat transfer contact surface, wherein the element (A) comprises a thermoconductive thermoplastic polymer composition comprising at least one polymer and a thermoconductive additive and wherein element (B) comprises a thermoplastic polymer composition comprising a polymer and at least one thermo-releasable substance. Further, the present invention relates to a method for releasing a thermo-releasable substance. Furthermore, the present invention relates to an ironing apparatus, a hair straightener and a hair curling iron comprising the high-heat delivery device.Type: GrantFiled: August 29, 2014Date of Patent: April 24, 2018Assignee: DSM IP ASSETS B.V.Inventors: Travis Baughman, Robin Elisabeth Maria Jacobus Daenen, Alexander Antonius Marie Stroeks, Franciscus Johannes Marie Derks, Pieter Gijsman
-
Publication number: 20180030326Abstract: The present invention relates to a High-heat-delivery device suitable for use in an hair straightener, a hair curling iron or an ironing apparatus and suitable for heat transfer to a substrate by direct contact with said substrate, comprising at least one element (A) having a heat transfer contact surface area, wherein the element (A) comprises a thermo-conductive thermoplastic polymer composition comprising: 30 to 89 wt % of a polyester with a Tm of at least 170° C. as measured according to ISO 11357-1/3 (2011) with a scan rate of 10° C./min; and 10 to 50 wt % of glass fibers; and 1 to 40 wt % of a thermo-conductive additive, wherein the weight percentages are based on the total weight of thermo-conductive thermoplastic polymer composition of element (A).Type: ApplicationFiled: February 26, 2016Publication date: February 1, 2018Inventors: Katarina TOMIC, Harold Geert Hendrik VAN MELICK, Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
-
Publication number: 20170210898Abstract: The invention relates to a polyamide composition comprising: a. A semi-crystalline polyamide; b. An impact modifier in an amount ranging from 1 wt % to 50 wt %; c. A branching agent in an amount ranging from 0.01 to 6.0 wt %; d. An inorganic stabilizer in an amount ranging from 0.01 wt % to 2.0 wt %; e. An organic stabilizer E1 comprising a primary antioxidant group in an amount ranging from 0.01 wt % to 2.0 wt and an organic stabilizer E2 comprising a hindered amine group in an amount ranging from 0.01 wt % to 4.0 wt %; or an organic stabilizer E3 comprising a primary antioxidant group and a hindered amine group in an amount ranging from 0.02 to 6.0 wt %; or a combination of E1, E2 and E3 in a total amount of 0.02 to 6.0 wt %; wherein all wt % are based on the total amount of polyamide composition. The invention also relates to a process for preparing a container by blow molding this composition, as well as use of the container in various applications.Type: ApplicationFiled: July 23, 2015Publication date: July 27, 2017Applicant: DSM IP Assets B.V.Inventors: Wilhelmus Josephus Maria SOUR, Pieter GIJSMAN
-
Publication number: 20170107336Abstract: Processes for producing an (ultra) high molecular weight polyethylene (HMWPE) article include incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-linking the (U)HMWPE during or after molding the (U)HMWPE resin.Type: ApplicationFiled: December 28, 2016Publication date: April 20, 2017Inventors: Harold Jan SMELT, Pieter GIJSMAN, Martin VAN DUIN
-
Patent number: 9555160Abstract: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising: incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-link the (U)HMWPE during or after molding the (U)HMWPE resin.Type: GrantFiled: February 19, 2016Date of Patent: January 31, 2017Assignee: DSM IP ASSETS B.V.Inventors: Harold Jan Smelt, Pieter Gijsman, Martin Van Duin
-
Publication number: 20160287757Abstract: A method of reducing the deterioration of a wetted hydrophilic coating comprising water at the time of sterilization by radiation is provided. The method comprises the step of reducing the amount of oxygen in an atmosphere in contact with the wetted hydrophilic coating in addition to any reduction in oxygen provided by oxygen scavengers that may be present in the wetted hydrophilic coating.Type: ApplicationFiled: November 20, 2014Publication date: October 6, 2016Inventors: Johannes Wilhelmus BELT, Pieter GIJSMAN
-
Publication number: 20160213602Abstract: The invention relates to a polymer composition suitable for high-heat application comprising: a. At least one polymer 1 having a solubility parameter ?P1; b. A thermo-releasable substance being a liquid at 200° C. and having a solubility parameter ?sub in an amount of at least 0.1 wt % with respect to the total amount of composition; and wherein the amount of thermo-releasable substance is in the range from 0.5 wt % to 70 wt % with respect to the polymer 1; wherein ?=(?sub??P1)2 is in the range from 0.5 to 24.0 and wherein the solubility parameter is calculated by the software package Synthia, Materials Studio v.6.0.0 ©2011, based on the method by J. Bicerano, Prediction of Polymer Properties, Marcel Dekker, 3rd Ed, 2002, ISBN 0-8247-0821-0; Chapter 5, and in which the E-modulus of the composition as measured according to method ISO 527-1 at 200° C. is at least 50 MPa. The invention also relates to personal care devices and hair-straighteners comprising this polymer composition.Type: ApplicationFiled: August 29, 2014Publication date: July 28, 2016Inventors: Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
-
Publication number: 20160201256Abstract: The present invention relates to a high-heat-delivery device suitable for use in an hair straightener, a hair curling iron or an ironing apparatus and suitable for heat transfer to a substrate by direct contact with said substrate, comprising at least one element (A) having a heat transfer contact surface area and at least one element (B) having a heat transfer contact surface, wherein the element (A) comprises a thermoconductive thermoplastic polymer composition comprising at least one polymer and a thermoconductive additive and wherein element (B) comprises a thermoplastic polymer composition comprising a polymer and at least one thermo-releasable substance. Further, the present invention relates to a method for releasing a thermo-releasable substance. Furthermore, the present invention relates to an ironing apparatus, a hair straightener and a hair curling iron comprising the high-heat delivery device.Type: ApplicationFiled: August 29, 2014Publication date: July 14, 2016Inventors: Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
-
Publication number: 20160184476Abstract: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising: incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-link the (U)HMWPE during or after molding the (U)HMWPE resin.Type: ApplicationFiled: February 19, 2016Publication date: June 30, 2016Inventors: Harold Jan SMELT, Pieter GIJSMAN, Martin VAN DUIN
-
Publication number: 20160108556Abstract: The invention relates to a creep optimized gel-spun fiber comprising a polyethylene fiber body obtained by spinning an UHMWPE comprising alkyl branches (AB) and having an elongational stress (ES), and a ratio (I) of at least 0.2, wherein a stabilizer is present inside the fiber body, characterized in that the amount of said stabilizer is between 0.05 and 10 parts by weight based on 100 parts by weight of the amount of the PE forming said fiber body.Type: ApplicationFiled: May 23, 2014Publication date: April 21, 2016Applicant: DSMP IP ASSETS B.V.Inventors: Martin Pieter VLASBLOM, Pieter GIJSMAN
-
Patent number: 9290629Abstract: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising: incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and cross-link the (U)HMWPE during or after molding the (U)HMWPE resin.Type: GrantFiled: March 27, 2015Date of Patent: March 22, 2016Assignee: DSM IP ASSETS B.V.Inventors: Harold Jan Smelt, Pieter Gijsman, Martin Van Duin
-
Patent number: 9238719Abstract: The invention relates to a process for producing an (ultra) high molecular weight polyethylene (HMWPE) article comprising:—incorporating into the HMWPE resin a Hindered Amine Light Stabilizer (HALS) and—cross-link the (U)HMWPE during or after molding the (U)HMWPE resin.Type: GrantFiled: November 6, 2008Date of Patent: January 19, 2016Assignee: DSM IP ASSETS B.V.Inventors: Harold Jan Smelt, Pieter Gijsman, Martin van Duin