Patents by Inventor Sarah Van Mierloo
Sarah Van Mierloo 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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Publication number: 20240110041Abstract: The present invention relates to a polyethylene composition comprising a polyethylene, preferably ?95.0 wt % of polyethylene, and further (a) ?100 and ?500 ppm of a phenolic antioxidant; (b) ?500 and ?2500 ppm of an organic phosphite stabiliser; and (c) ?500 and ?2500 ppm of a metal stearate with regard to the total weight of the polyethylene composition. Such polyethylene composition, when used in a moulding process with PCR polyethylene, results in a reduction of the quantity of degradation products formed, which may be observed as a reduction of die deposits.Type: ApplicationFiled: October 13, 2020Publication date: April 4, 2024Inventors: Sarah VAN MIERLOO, Seda CANTEKIN, Thei RAUCH
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Patent number: 11578186Abstract: The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger.Type: GrantFiled: April 26, 2018Date of Patent: February 14, 2023Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Sarah Van Mierloo, Patrick Voets
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Publication number: 20220315746Abstract: The present invention relates to a healthcare article comprising a polymer composition comprising a random propylene-ethylene copolymer, wherein the polymer composition comprises less than 150 ppm, preferably less than 100 ppm, more preferably less than 50 ppm, more preferably less than 20 ppm, most preferably 0 ppm of phthalates based on the weight of the random propylene ethylene copolymer.Type: ApplicationFiled: September 2, 2020Publication date: October 6, 2022Inventors: Daan Jongerius, Sarah van Mierloo, Henrica Norbeta Alberta Maria Steenbakkers-Menting, Marnik Vaes, Tinashe Victor Mandishonha Ndoro
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Patent number: 11434355Abstract: The present invention relates to an exterior or semi-exterior automotive part prepared from a thermoplastic composition comprising: from 48-95 wt. % heterophasic propylene copolymer; wherein said heterophasic propylene copolymer consists of i) a propylene-based matrix, and ii) a dispersed ethylene-?-olefin copolymer comprising ethylene and at least one C3 to C10 ?-olefin; from 0-20 wt. % ethylene-?-olefin elastomer comprising ethylene and at least one C3 to C10 ?-olefin; from 1 up to 30 wt. % high aspect ratio (HAR) talc as a filler; from 0 to 5 wt. % of another talc; from 0.05-1 wt. % phenolic antioxidant additive; from 0.05-1 wt. % amphiphilic protective additive comprising a hydrophilic part and a hydrophobic part; and from 0-3 wt. % additional additives. It moreover relates to a method of producing these and to the use of such a composition for the manufacture of an exterior or semi-exterior part in automotive applications.Type: GrantFiled: December 19, 2017Date of Patent: September 6, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Dimphna Johanna Maria Van Beek, Koen Batinas-Geurts, Rick Robert Emilie Bercx, Sander Knauf, Sarah Van Mierloo, Mark Feekes
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Patent number: 11365307Abstract: The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.Type: GrantFiled: July 3, 2018Date of Patent: June 21, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Haika Johanna Hildebrandt, Sarah Van Mierloo, Rainer Heinrich Kloth
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Publication number: 20220073717Abstract: The present invention relates to a polymer composition, comprising a polypropylene and a stabilizing additive mixture, wherein said stabilizing additive mixture comprises: i) a thioether compound according to Formula I, ii) a Hindered Amine Light Stabilizer (HALS) comprising a substituted amine group; and iii) an inorganic acid scavenger. The present invention further relates to an article comprising said polymer composition, and the use of said polymer composition for the housing for antennas for wireless communication.Type: ApplicationFiled: December 19, 2019Publication date: March 10, 2022Inventors: Jing GUO, Sarah VAN MIERLOO, Chunfa LI, Ji ZHOU, Chaodong JIANG, Christelle Marie Hélène GREIN
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Patent number: 11230634Abstract: The invention relates to a polymer composition comprising a) a polypropylene resin; b) a mixture of light and heat stabilizing additives, comprising: i) a high molecular weight hindered tertiary amine light stabilizer (t-H M-HALS) having a weight average molecular weight of at least 1600 g/mol; ii) a low molecular weight hindered secondary amine light stabilizer (s-LM-HALS) is a fatty acid ester of 2,2,6,6-tetra-methyl-4-pipiridinol or a mixture of fatty acids thereof; and iii) an alkyl ester of a 3,5-dialkylated 4-hydroxyphenyl propionic acid or a n-alkyl-3,5-dialkylated 4-hydroxybenzoate; c) a mixture of antioxidant additives, comprising: i) a phenolic antioxidant; and ii) a phosphite additive; d) a flame-retardant composition, preferably comprising a mixture of: i) an organic phosphate compound; ii) an organic phosphoric acid; and iii) a zinc oxide; and e) a glass filler. The invention moreover relates to an article prepared therefrom.Type: GrantFiled: June 26, 2018Date of Patent: January 25, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Sarah Van Mierloo, Roland Van Giesen, Henrica Norberta Alberta Maria Steenbakkers-Menting, Rick Robert Emilie Bercx, Maud Corrina Willie Van Der Ven
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Publication number: 20210403691Abstract: The present invention relates to a food packaging comprising a polymer composition comprising, a random propylene copolymer and a stabilizing additive mixture, said stabilizing additive mixture comprising a hydroxylamine, a phosphite compound and a hindered amine light stabilizer. In addition, the invention relates to a use of said polymer composition for manufacturing food packaging.Type: ApplicationFiled: November 15, 2019Publication date: December 30, 2021Inventors: Sarah Van Mierloo, Marnik Vaes, Daan Jongerius, Henrica Norberta Alberta Maria Steenbakkers-Menting
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Publication number: 20210265516Abstract: The present invention relates to a photovoltaic element, comprising a front layer, a back layer, and a plurality of photovoltaic cells, which photovoltaic cells are present between the front layer and back layer, wherein the front layer consists of a polypropylene composition, comprising: a) a random polypropylene resin; b) a mixture of light stabilizing additives; said mixture comprising: i) a high molecular weight hindered tertiary amine light stabilizer (t-HM-HALS) having a weight average molecular weight of at least 1600 g/mol; ii) a low molecular weight hindered secondary amine light stabilizer (s-LM-HALS) having a weight average molecular weight of below 1000 g/mol; iii) an ultraviolet synergist, being a n-alkyl-3,5-dialkylated 4-hydroxybenzoate; iv) an ultraviolet absorber, being a hydroxybenzotriazole compound or a hydroxyl benzophenone compound or a mixture thereof; c) a mixture of antioxidant additives; said mixture comprising: i) a phenolic antioxidant; and ii) a phosphite additive.Type: ApplicationFiled: July 11, 2019Publication date: August 26, 2021Inventors: Sarah VAN MIERLOO, Maud Corrina Willie VAN DER VEN, Henrica Norberta Alberta Maria STEENBAKKERS-MENTING, Roland VAN GIESEN
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Patent number: 11091611Abstract: The invention relates to a polyolefin composition comprising A. at least a homopolymer or copolymer of ethylene or propylene and B. cholestanyl ferulate. The composition can be used in the production of articles such as a pipe, cap and closure, film, food contact packaging, biomedical article, health care article and pharmaceutical article.Type: GrantFiled: February 21, 2018Date of Patent: August 17, 2021Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Sarah Van Mierloo, Mark Johannes Boerakker, Patrick Elisabeth Luc Voets, Daan Jongerius, Jacques Theodorus Elisabeth Hubertina Sampers
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Patent number: 10975214Abstract: The invention relates to a process to produce irradiated polypropylene granulate wherein granulate comprising 1. a propylene polymer and 2. a vitamin E comprising stabilizer package is irradiated by electron beam radiation.Type: GrantFiled: July 13, 2017Date of Patent: April 13, 2021Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Peter Degenhart, Sarah Van Mierloo, Fahimi Zahra, Martin Antonius Van Es
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Publication number: 20210017366Abstract: The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 4.0 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 2, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 5492-10; and iii) a melt flow rate in the range of 1 to 10 dg/min as measured according to ISO1133-1 (2011) (2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an inorganicacid scavenger.Type: ApplicationFiled: April 2, 2019Publication date: January 21, 2021Inventors: SARAH VAN MIERLOO, PATRICK ELISABETH LUC VOETS, DAAN JONGERIUS
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Publication number: 20200190283Abstract: The invention relates to a composition comprising: a) a propylene homopolymer or propylene-ethylene copolymer having an ethylene content of at most 1.5 wt % based on the weight of the propylene-ethylene copolymer, said a propylene homopolymer or propylene-ethylene copolymer having: i) a Mw/Mn in the range of 4.0 to 12, wherein Mw stands for the weight average molecular weight and Mn stands for the number average molecular weight and wherein Mw and Mn are measured according to ASTM D6474-12; ii) an XS in the range from 1.0 to 8.0 wt %, wherein XS stands for the amount of xylene solubles which are measured according to ASTM D 492-10; and iii) a melt flow rate in the range of 1 to 10 dg/minas measured according to ISO1133:2011(2.16 kg/230° C.); b) a first additive, being one or more tocopherols and/or one or more tocotrienols; and c) a second additive, being an organic acid scavenger.Type: ApplicationFiled: April 26, 2018Publication date: June 18, 2020Applicant: Sabic Global Technologies B.V.Inventors: Sarah van MIERLOO, Patrick VOETS
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Publication number: 20200181349Abstract: The invention relates to a process to produce irradiated polypropylene granulate wherein granulate comprising 1. a propylene polymer and 2. a vitamin E comprising stabilizer package is irradiated by electron beam radiation.Type: ApplicationFiled: July 13, 2017Publication date: June 11, 2020Inventors: Peter Degenhart, Sarah Van Mierloo, Fahimi Zahra, Martin Antonius Van Es
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Publication number: 20200172708Abstract: The invention relates a polymer composition comprising polyethylene and a stabiliser package comprising: a) a phenolic stabiliser or mixtures thereof, b) an organic phosphite and/or phosphonite or mixtures thereof, c) zinc sulphide, and d) an acid scavenger. The polymer composition can be applied in the production of articles which are used in applications where a high temperature resistance is needed.Type: ApplicationFiled: July 3, 2018Publication date: June 4, 2020Inventors: Haika Johanna Hildebrandt, Sarah Van Mierloo, Rainer Heinrich Kloth
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Publication number: 20200172707Abstract: The invention relates to a polymer composition comprising a) a polypropylene resin; b) a mixture of light and heat stabilizing additives, comprising: i) a high molecular weight hindered tertiary amine light stabilizer (t-H M-HALS) having a weight average molecular weight of at least 1600 g/mol; ii) a low molecular weight hindered secondary amine light stabilizer (s-LM-HALS) is a fatty acid ester of 2,2,6,6-tetra-methyl-4-pipiridinol or a mixture of fatty acids thereof; and iii) an alkyl ester of a 3,5-dialkylated 4-hydroxyphenyl propionic acid or a n-alkyl-3,5-dialkylated 4-hydroxybenzoate; c) a mixture of antioxidant additives, comprising: i) a phenolic antioxidant; and ii) a phosphite additive; d) a flame-retardant composition, preferably comprising a mixture of: i) an organic phosphate compound; ii) an organic phosphoric acid; and iii) a zinc oxide; and e) a glass filler. The invention moreover relates to an article prepared therefrom.Type: ApplicationFiled: June 26, 2018Publication date: June 4, 2020Applicant: SABIC Global Technologies B.V.Inventors: Sarah van MIERLOO, Roland van GIESEN, Henrica Norberta Alberta Maria STEENBAKKERS-MENTING, Rick Robert Emilie BERCX, Maud Corrina Willie van DER VEN
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Publication number: 20200002517Abstract: The invention relates to a polyolefin composition comprising A. at least a homopolymer or copolymer of ethylene or propylene and B. cholestanyl ferulate. The composition can be used in the production of articles such as a pipe, cap and closure, film, food contact packaging, biomedical article, health care article and pharmaceutical article.Type: ApplicationFiled: February 21, 2018Publication date: January 2, 2020Inventors: Sarah Van Mierloo, Mark Johannes Boerakker, Patrick Elisabeth Luc Voets, Daan Jongerius, Jacques Theodorus Elisabeth Hubertina Sampers
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Publication number: 20190322853Abstract: The present invention relates to an automotive part (such as an exterior automotive part, a semi-exterior automotive part or an interior automotive part) prepared from a thermoplastic composition comprising: from 48-95 wt. % based on the weight of the composition of a heterophasic propylene copolymer; wherein said heterophasic propylene copolymer consists of i) a propylene-based matrix consisting of a propylene homopolymer and/or a propylene-?-olefin copolymer, said propylene ?-olefin copolymer consisting of at least 70 wt. %, and ii) a dispersed ethylene-?-olefin copolymer comprising ethylene and at least one C3 to C10 ?-olefin; from 0-20 wt. %, preferably from 1-20 wt. % ethylene-?-olefin elastomer comprising ethylene and a C3 to C10 ?-olefin; from 1-30 wt. % high aspect ratio; from 0.05-2 wt. % antioxidant additive selected from the group consisting of i) a tocopherol or a tocotrienol; or ii) a hydroxylamine from 0-3 wt. % an additional additive.Type: ApplicationFiled: December 19, 2017Publication date: October 24, 2019Inventors: Mark Feekes, Sarah Van Mierloo, Koen Batinas-Geurts, Dimphna Johanna Maria Van Beek
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Publication number: 20190322851Abstract: The present invention relates to an exterior or semi-exterior automotive part prepared from a thermoplastic composition comprising: from 48-95 wt. % heterophasic propylene copolymer; wherein said heterophasic propylene copolymer consists of i) a propylene-based matrix, and ii) a dispersed ethylene-?-olefin copolymer comprising ethylene and at least one C3 to C10 ?-olefin; from 0-20 wt. % ethylene-?-olefin elastomer comprising ethylene and at least one C3 to C10 ?-olefin; from 1 up to 30 wt. % high aspect ratio (HAR) talc as a filler; from 0 to 5 wt. % of another talc; from 0.05-1 wt. % phenolic antioxidant additive; from 0.05-1 wt. % amphiphilic protective additive comprising a hydrophilic part and a hydrophobic part; and from 0-3 wt. % additional additives. It moreover relates to a method of producing these and to the use of such a composition for the manufacture of an exterior or semi-exterior part in automotive applications.Type: ApplicationFiled: December 19, 2017Publication date: October 24, 2019Inventors: Dimphna Johanna Maria Van Beek, Koen Batinas-Geurts, Rick Robert Emilie Bercx, Sander Knauf, Sarah Van Mierloo, Mark Feekes
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Publication number: 20190119620Abstract: The disclosure relates to a bioreactor comprising at least one sheet of polymer material formed from a composition comprising: A. a copolymer of ethylene and at least one ?-olefin; and B. between 25 and 300 ppm by weight of ?-tocopherol relative to the component A.Type: ApplicationFiled: March 30, 2017Publication date: April 25, 2019Applicant: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Johannes DE BROUWER, Amy PLANCON, Sarah VAN MIERLOO