Patents by Inventor Johan Maria Krist
Johan Maria Krist 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: 12202955Abstract: The present invention relates to a polyethylene composition comprising a) a polyethylene blend comprising from 95.5% to 99.5 wt % low density polyethylene (LDPE) and from 0.5% to 4.5 wt % high density polyethylene (HDPE), wherein the wt % (% by weight) is based the total amount of low density polyethylene and high density polyethylene in the blend, and b) a mixture of glycerol-mono-stearate and glycerol-mono-palmitate.Type: GrantFiled: December 11, 2019Date of Patent: January 21, 2025Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Johan Maria Krist, Mark Leo Hendrik Theunissen, Douwe Wiebe Van Der Meer, Maria Johanna Willems, Emanuel Joseph Herman Marie Van Der Meer
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Publication number: 20240317984Abstract: A polymer composition contains A) a high melt strength polypropylene in an amount ?30 wt % and ?90 wt % based on the polymer composition, B) an ethylene-based elastomer having a density ?855 to ?913 kg/m3, wherein the density is determined in accordance with ASTM D792 (2008), wherein the ethylene-based elastomer is present in the polymer composition in an amount ?10 wt % and ?49 wt % based on the polymer composition and C) a further polypropylene, wherein the further polypropylene is present in the polymer composition in an amount ?0 wt % and ?60 wt % based on the polymer composition and wherein the sum of the weight of high melt strength polypropylene and the further polypropylene is ?51 wt % based on the sum of the weight of the high melt strength polypropylene, the further polypropylene and the ethylene-based elastomer.Type: ApplicationFiled: February 18, 2022Publication date: September 26, 2024Inventors: Johan Maria Krist, Mark Leo Hendrik Theunissen
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Publication number: 20220259397Abstract: The present invention relates to a polymer composition comprising (85-100 wt %) of a propylene copolymer based on the total amount of the polymer composition, wherein the comonomer in the propylene copolymer is selected from moiety derived from ethylene, an ?-olefin having (4) to (20) carbon atoms or a combination thereof, wherein the amount of the comonomer is in the range of (0.50 to 4.5) wt % based on the propylene copolymer, wherein the fraction of melted propylene copolymer in the temperature range from (116 to 151° C.) is in the range from (65 to 90) wt % based on the total weight of the propylene copolymer. The present invention also relates to expanded polypropylene (EPP) beads comprising said polymer composition. The invention further relates to the use of such EPP beads. The invention further relates to a process for preparing such EPP beads. The present invention also relates to an article made from said EPP beads. The invention further relates to the use of such article.Type: ApplicationFiled: July 17, 2020Publication date: August 18, 2022Inventors: Ting Huang, Chaodong Jiang, Christelle Marie Helene Grein, Martin Antonius Van Es, Mark Leo Hendrik Theunissen, Johan Maria Krist, Liang Wen, Yijie Chen
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Publication number: 20210395502Abstract: The present invention relates to a polyethylene composition comprising a) a polyethylene blend comprising from 95.5% to 99.5 wt % low density polyethylene (LDPE) and from 0.5% to 4.5 wt % high density polyethylene (HDPE), wherein the wt % (% by weight) is based the total amount of low density polyethylene and high density polyethylene in the blend, and b) a mixture of glycerol-mono-stearate and glycerol-mono-palmitate.Type: ApplicationFiled: December 11, 2019Publication date: December 23, 2021Inventors: Johan Maria KRIST, Mark Leo Hendrik THEUNISSEN, Douwe Wiebe VAN DER MEER, Maria Johanna WILLEMS, Emanuel Joseph Herman Marie VAN DER MEER
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Publication number: 20200317877Abstract: The present invention is directed to a polyolefin resin composition comprising polyolefin and a mixture comprising glycerol ester, primary aliphatic amide and secondary aliphatic amide. The invention relates to a polyolefin foam composition obtained by foaming said polyolefin resin composition in a physical foaming process in the presence of a physical blowing agent.Type: ApplicationFiled: May 5, 2017Publication date: October 8, 2020Inventors: Emanuel Joseph Herman Marie van der Ven, Johan Maria Krist, Jerome Vachon, Douwe Wiebe van der Meer, Maurice Nicolaas Maria Dohmen
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Patent number: 10011697Abstract: The invention is directed to foamed film comprising a polyethylene foam obtained by physically foaming of a low density polyethylene copolymer with a density between 910 kg/m3 and 935 kg/m3 (according to ISO 1183) and a melt index between 0.10 and 100 dg/minute (according to ASTM D1133) wherein the low density polyethylene is obtained by a high pressure polymerization process of ethylene in the presence of a di- or higher functional monomer.Type: GrantFiled: June 17, 2014Date of Patent: July 3, 2018Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Emanuel Joseph Herman Marie Van der Ven, Patrick van der Meer, Douwe Wiebe van der Meer, Johan Maria Krist, Lucio Baccaro
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Patent number: 9957367Abstract: The invention is directed to foamed caps and closure seals comprising as one of the layers polyethylene foam. The polyethylene foam is obtained by foaming of low density polyethylene copolymer obtained by a high pressure polymerization process in the presence of 1,4-butanediol dimethacrylate.Type: GrantFiled: July 7, 2014Date of Patent: May 1, 2018Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Johan Maria Krist, Emanuel Joseph Herman Marie Van der Ven, Douwe Wiebe van der Meer
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Publication number: 20180016407Abstract: A foamed material includes specific amounts of a polystyrene, an organophosphate ester, and a poly(phenylene ether) or a poly(phenylene ether)-polysiloxane block copolymer or a combination thereof. The material is foamed with a C3-C5 alkane blowing agent. The foamed material is useful as insulation in the construction of walls and ceilings.Type: ApplicationFiled: September 25, 2015Publication date: January 18, 2018Applicant: SABIC Global Technologies B.V.Inventors: Adrie Landa, Johan Maria Krist
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Publication number: 20160177045Abstract: The invention is directed to foamed caps and closure seals comprising as one of the layers polyethylene foam. The polyethylene foam is obtained by foaming of low density polyethylene copolymer obtained by a high pressure polymerisation process in the presence of 1,4-butanediol dimethacrylate.Type: ApplicationFiled: July 7, 2014Publication date: June 23, 2016Applicants: Saudi Basic Industries Corporation, Sabic Global Technologies B.V.Inventors: Johan Maria Krist, Emanuel Joseph Herman Marie Van der Ven, Douwe Wiebe van der Meer
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Publication number: 20160137804Abstract: The invention is directed to foamed film comprising a polyethylene foam obtained by physically foaming of a low density polyethylene copolymer with a density between 910 kg/m 3 and 935 kg/m 3 (according to ISO 1183) and a melt index between 0.10 and 100 dg/minute (according to ASTM D1133) wherein the low density polyethylene is obtained by a high pressure polymerisation process of ethylene in the presence of a di- or higher functional monomer.Type: ApplicationFiled: June 17, 2014Publication date: May 19, 2016Inventors: Emanuel Joseph Herman Marie Van der Ven, Patrick van der Meer, Douwe Wiebe van der Meer, Johan Maria Krist, Lucio Baccaro
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Publication number: 20140155505Abstract: The invention is directed to a masterbatch comprising a nucleating organic compound which, on changing to the solid phase, forms crystals and which in its melt phase is soluble in the molten polyethylene and polyethylene. The ingredients of this masterbatch are applied as a nucleating agent masterbatch during the production of polyethylene foam.Type: ApplicationFiled: October 18, 2013Publication date: June 5, 2014Applicant: SABIC BASIC INDUSTRIES CORPORATIONInventors: Pratip Sengupta, Roelof Franciscus Gerardus Maria de Vos, Johan Maria KRIST
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Publication number: 20110272620Abstract: The invention is directed to a masterbatch comprising a nucleating organic compound which, on changing to the solid phase, forms crystals and which in its melt phase is soluble in the molten polyethylene and polyethylene. The ingredients of this masterbatch are applied as a nucleating agent masterbatch during the production of polyethylene foam.Type: ApplicationFiled: May 13, 2009Publication date: November 10, 2011Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Roelof Franciscus Gerardus Maria De Vos, Johan Maria Krist, Pratip Sengupta
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Publication number: 20100196641Abstract: The invention is directed to polyethylene foam based on a blend comprising 95.5-99.5% by weight low density polyethylene and 0.5-4.5% by weight high density polyethylene and a nucleating agent. The invention is also directed to a process for physical foaming of a blend comprising 95.5-99.5% by weight low density polyethylene and 0.5-4.5% by weight high density polyethylene in the presence of a physical blowing agent and a nucleating agent.Type: ApplicationFiled: May 16, 2008Publication date: August 5, 2010Applicant: SAUDI BASIC INDUSTRIES CORPORATIONInventors: Roelof Franciscus Gerardus Maria De Vos, Pratip Sengupta, Johan Maria Krist, Hendrikus Pieter Ruinaard