Patents by Inventor Konraad Dullaert
Konraad Dullaert 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: 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: 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: 9181429Abstract: The invention relates to a polyamide composition with an improved resistance against yellowing. The invention also relates to a shaped article made from the composition and to a method of forming such a shaped article. The polyamide composition comprises: a. 90 to 40 wt % of one or more semi-aromatic polyamides and b.10 to 60 wt % of one or more of aliphatic polyamides and c.1 at least one white pigment as secondary component and c.2 optionally one or more other secondary components, wherein the sum of the amount of semi-aromatic and aliphatic polyamide is 100 wt % and wherein: i. the semi-aromatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 12 carbon atoms and one or more benzene dicarboxylic acid monomers and ii.Type: GrantFiled: May 30, 2012Date of Patent: November 10, 2015Assignee: DSM IP ASSETS B.V.Inventors: Hans Klaas Van Dijk, Konraad Dullaert
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Publication number: 20140187709Abstract: The invention relates to a polyamide composition with an improved resistance against yellowing. The invention also relates to a shaped article made from the composition and to a method of forming such a shaped article. The polyamide composition comprises: a. 90 to 40 wt % of one or more semi-aromatic polyamides and b.10 to 60 wt % of one or more of aliphatic polyamides and c.1 at least one white pigment as secondary component and c.2 optionally one or more other secondary components, wherein the sum of the amount of semi-aromatic and aliphatic polyamide is 100 wt % and wherein: i. the semi-aromatic polyamide is derived from one or more aliphatic diamine monomers containing 4 to 12 carbon atoms and one or more benzene dicarboxylic acid monomers and ii.Type: ApplicationFiled: May 30, 2012Publication date: July 3, 2014Applicant: DSM IP ASSETS B.V.Inventors: Hans Klaas Van Dijk, Konraad Dullaert
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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: 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
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Publication number: 20100105851Abstract: The invention relates to an elastomeric compound comprising at least one olefinic elastomer comprising ethylene, an ?-olefin, from 1 to 7 wt % vinyl norbornene and from 0 to 15 wt % of a second non-conjugated polyene, wherein the wt % are related to the total weight of ethylene, ?-olefin, vinyl norbornene and the second non-conjugated polyene, and which elastomer has long chain branching corresponding with ??<20, wherein ??, expressed in degrees, is calculated from the difference between the phase angle ? between stress and strain in a dynamic shear measurement at 125° C. at a frequency of 0.Type: ApplicationFiled: February 6, 2008Publication date: April 29, 2010Inventors: Gerardus Henricus Josephus Van Doremaele, Mirko Kranenburg, Konraad Dullaert
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Publication number: 20070248825Abstract: The present invention provides powder coating compositions comprising at least one resin, at least one anti-bridging agent, and at least 40% w/w of pigment.Type: ApplicationFiled: May 4, 2007Publication date: October 25, 2007Applicant: DSM IP Assets B.V.Inventors: Jurjen Bolks, Konraad Dullaert, Leendert Molhoek, Paulus Steeman