Patents by Inventor Katarina Tomic
Katarina Tomic 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: 20240052162Abstract: The invention relates to a thermoplastic composition for use in a sliding element comprising a first polyamide being a polyamide of AA-BB, a second polyamide being a polyamide of AB type and a functional group-modified polyolefin. The invention also relates to a sliding element comprising said thermoplastic composition. The invention further relates to a sliding element comprising said thermoplastic composition for use in a lubricated sliding system, for example in a chain transmission apparatus.Type: ApplicationFiled: October 12, 2020Publication date: February 15, 2024Inventors: Katarina TOMIC, Rudy RULKENS, Michael Hubertus, Helena MEUWISSEN
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Publication number: 20200283623Abstract: The invention relates to a process for preparing a thermoplastic resin comprising the following steps: a) mixing: •a thermoplastic copolyester (A) having a shore A hardness of less than 95; and •a silicone elastomer (B) comprising a polydiorganosiloxane gum having a plasticity of at least 30 and having on average at least 2 alkenyl groups per polymeric chain and optionally a reinforcing agent in the range of 0 to 50 wt % based on the weight of the polydiorganosiloxane gum; and •a radical initiator (C) in an amount of 0.01 to 5 wt % based on the weight of the silicone elastomer; and •optionally an adhesion additive (D); wherein the weight ratio of the silicone elastomer to the thermoplastic copolyester (B:A) is from 15:85 to 99.5:0.5; b) dynamically vulcanizing the silicone elastomer in the thermoplastic copolyester at an elevated temperature. The invention also relates to a thermoplastic resin itself.Type: ApplicationFiled: October 2, 2018Publication date: September 10, 2020Inventors: Katarina TOMIC, Angelika SCHMIDT, Veerag MEHTA, Helen LENTZAKIS
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Publication number: 20190162244Abstract: Boot for a constant velocity joint of a polymer composition comprising a thermoplastic polyester elastomer, a first, fast diffusing wax having a weight loss of more than 0.6 wt. %, and a second slow diffusing wax having a weight loss of less than 0.4 wt. % after 2500 hours. Also a polymer composition is claimed.Type: ApplicationFiled: July 14, 2017Publication date: May 30, 2019Inventors: Beert Jacobus KEESTRA, Katarina TOMIC
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Publication number: 20180355196Abstract: A method for 3D-printing of a polymer composition containing a thermoplastic elastomer, by using a fused filament fabrication printer. The polymer composition contains 0.1-3 wt. % of a mold release agent and/or an external lubricant and optionally 0.5-10 wt. % of a matting agent and the thermoplastic elastomer contains monomer units of dimerised fatty acids and/or a diamine derived there from.Type: ApplicationFiled: December 8, 2016Publication date: December 13, 2018Inventors: Katarina TOMIC, Wilhelmus Frederikus ZOETELIEF
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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
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Patent number: 9512292Abstract: The present invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, wherein the polymer composition has a melt volume flow rate (MVR) of at most 70 cm3/10 min at a weight of 21.6 kg and at a temperature of Tmeasure as measured according to ISO 1133. The invention also relates to a process for preparation of such fuel part wherein a blow-molding or roto-molding process is applied.Type: GrantFiled: July 21, 2011Date of Patent: December 6, 2016Assignee: DSM IP ASSETS B.V.Inventors: Katarina Tomic, Konraad Dullaert, Eric Willem Van Der Vegte
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Patent number: 9470366Abstract: This invention relates to a liner for a gas storage tank containing a polymer composition comprising: i. a polyamide A, and ii. a nucleating agent in an amount of at least 0.001 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1 weight percent with respect to the total amount of the polymer composition. The invention also relates to a gas storage tank comprising a structural fiber composite comprising continuous carbon or glass fibers, as well as a method for preparing a liner by blow molding.Type: GrantFiled: December 9, 2011Date of Patent: October 18, 2016Assignee: DSM IP ASSETS B.V.Inventors: Konraad Dullaert, Katarina Tomic
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Patent number: 9463609Abstract: Process for producing by blown film process a multilayer film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: •aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic ?,?-amino acids Z, and •diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic. The invention also relates to a multilayer blown film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: •aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic ?,?-amino acids Z, and •diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic.Type: GrantFiled: December 19, 2013Date of Patent: October 11, 2016Assignee: DSM IP ASSETS B.V.Inventors: Ted Brink, Alexander Antonius Marie Stroeks, Katarina Tomic
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Patent number: 9376563Abstract: Polyamide composition comprising a first polyamide, characterized in that the composition further comprises polyamide 4,10 in an amount of at least 0.01 wt %, based on the total amount of polyamides in the composition. In a preferred embodiment of the invention, the first polyamide is an aliphatic polyamide chosen from the group of polyamide 6, polyamide 6,6 and polyamide 4,6.Type: GrantFiled: September 16, 2010Date of Patent: June 28, 2016Assignee: DSM IP ASSETS B.V.Inventors: Konraad Dullaert, Eric Willem Van Der Vegte, Katarina Tomic, Alexander Antonius Marie Stroeks
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Patent number: 9309406Abstract: This invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A in which the ratio of terminal carboxy group concentration over terminal amino group concentration of the polyamide A is equal to 1 or higher, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1.0 weight percent with respect to the total amount of the polymer composition. This invention also relates to a process for producing a fuel part.Type: GrantFiled: July 21, 2011Date of Patent: April 12, 2016Assignee: DSM IP ASSETS B.V.Inventors: Katarina Tomic, Konraad Dullaert, Eric Willem Van Der Vegte
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Patent number: 9243109Abstract: This invention relates to a biaxially stretched product comprising a copolyamide comprising monomeric units of: aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic ?,?-amino acids Z, and diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic, and wherein the product has been stretched at a temperature of between the glass transition temperature (Tg) and the melting temperature (Tm). A method of preparation is claimed, as well as a multilayer film comprising the biaxially stretched product.Type: GrantFiled: June 28, 2012Date of Patent: January 26, 2016Assignee: DSM IP ASSETS B.V.Inventors: Alexander Antonius Marie Stroeks, Katarina Tomic
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Publication number: 20150337093Abstract: Process for producing by blown film process a multilayer film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: •aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non-cyclic ?,?-amino acids Z, and •diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic. The invention also relates to a multilayer blown film containing at least one copolyamide layer and at least one polyolefin layer, in which the copolyamide comprises monomeric units of: •aliphatic non-cyclic diamines X and aliphatic non-cyclic dicarboxylic acids Y or aliphatic non- cyclic ?,?-amino acids Z, and •diamines M and diacids N in an amount between 0.1 to 2 wt % based on the total amount of copolyamide, and in which M and N are cyclic.Type: ApplicationFiled: December 19, 2013Publication date: November 26, 2015Inventors: Ted BRINK, Alexander Antonius Marie STROEKS, Katarina TOMIC
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Publication number: 20140034654Abstract: This invention relates to a liner for a gas storage tank containing a polymer composition comprising: i. a polyamide A, and ii. a nucleating agent in an amount of at least 0.001 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1 weight percent with respect to the total amount of the polymer composition. The invention also relates to a gas storage tank comprising a structural fiber composite comprising continuous carbon or glass fibers, as well as a method for preparing a liner by blow molding.Type: ApplicationFiled: December 9, 2011Publication date: February 6, 2014Applicant: DSM IP ASSETS B.V.Inventors: Konraad Dullaert, Katarina Tomic
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Publication number: 20130281599Abstract: The present invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, wherein the polymer composition has a melt volume flow rate (MVR) of at most 70 cm3/10 min at a weight of 21.6 kg and at a temperature of Tmeasure as measured according to ISO 1133. The invention also relates to a process for preparation of such fuel part wherein a blow-molding or roto-molding process is applied.Type: ApplicationFiled: July 21, 2011Publication date: October 24, 2013Applicant: DSM IP ASSETS B.V.Inventors: Katarina Tomic, Konraad Dullaert, Eric Willem Van Der Vegte
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Publication number: 20130261245Abstract: This invention relates to a fuel part, comprising a polymer composition comprising: i. a polyamide A in which the ratio of terminal carboxy group concentration over terminal amino group concentration of the polyamide A is equal to 1 or higher, and ii. micro talcum in an amount of 0.001 to 1 weight percent with respect to the total amount of the polymer composition, and iii. an impact modifier in an amount of at least 1.0 weight percent with respect to the total amount of the polymer composition. This invention also relates to a process for producing a fuel part.Type: ApplicationFiled: July 21, 2011Publication date: October 3, 2013Applicant: DSM IP ASSETS B.V.Inventors: Katarina Tomic, Konraad Dullaert, Eric Willem Van Der Vegte
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Publication number: 20130244047Abstract: Film or plate containing a polyamide having monomer units of butane-1,4-diamine and monomer units of decanedioic acid (PA410). In a preferred embodiment the film or plate contains PA410 and at least one further polymer.Type: ApplicationFiled: June 21, 2011Publication date: September 19, 2013Applicant: DSM IP ASSETS B.V.Inventors: Alexander Antonius Marie Stroeks, Katarina Tomic
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Publication number: 20130172495Abstract: This invention relates to a fuel part, comprising a polymer composition comprising at least 1 wt % with respect to the total weight of polymer in the polymer composition of a component A, being an aliphatic, semi-crystalline, polyamide which has as building blocks diamines with at least 2 carbon atoms and at most 5 carbon atoms and diacids with at least 10 carbon atoms. The invention also relates to a process for preparation of such fuel part.Type: ApplicationFiled: February 3, 2011Publication date: July 4, 2013Inventors: Konraad Dullaert, Katarina Tomic
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Publication number: 20120245303Abstract: Polyamide composition comprising a first polyamide, characterized in that the composition further comprises polyamide 4,10 in an amount of at least 0.01 wt %, based on the total amount of polyamides in the composition. In a preferred embodiment of the invention, the first polyamide is an aliphatic polyamide chosen from the group of polyamide 6, polyamide 6,6 and polyamide 4,6.Type: ApplicationFiled: September 16, 2010Publication date: September 27, 2012Inventors: Konraad Dullaert, Eric Willem Van Der Vegte, Katarina Tomic, Alexander Antonius Marie Stroeks