Patents by Inventor Alexander Antonius Marie Stroeks

Alexander Antonius Marie Stroeks 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: 20200381780
    Abstract: The invention relates to a polymer composition comprising: a) a thermoplastic copolyester comprising i. polyester hard segments in an amount of between 5 and 50 wt. %, with respect to the total weight of the polymer composition, and ii. soft segments having a number average molecular weight of between 2.000 and 10.000 g/mol; and b) a metal salt; and c) an organic nitrile component, and wherein the metal salt is present in a weight percentage between 10 to 80 wt. %, the organic nitrile component is present in a weight percentage between 10 and 80 wt. %, and the soft segment is present in a weight percentage between 10 and 80 wt.
    Type: Application
    Filed: February 19, 2019
    Publication date: December 3, 2020
    Inventors: Carel Frederik Constantijn FITIÉ, Robert Hendrik Catharina JANSSEN, Alexander Antonius Marie STROEKS
  • Publication number: 20200131321
    Abstract: The invention relates to a process for preparing a biaxially oriented multilayered film, the film comprising at least one layer comprising a polyolefin composition and at least one layer comprising a polyamide composition, the process comprising the steps of: a) Melting a polyamide composition comprising: i. a semi-crystalline polyamide Y comprising: ?monomeric units derived from caprolactam in an amount of at least 75 wt %; ?monomeric units derived from an aliphatic diamine in an amount of between 2.5 and 12.5 wt %; ?monomeric units derived from an aromatic diacid in an amount of between 2.5 and 12.5 wt %; wherein the weight percentage is given with respect to the total weight of the polyamide Y; ii. an amorphous polyamide in an amount of between 2.
    Type: Application
    Filed: April 19, 2018
    Publication date: April 30, 2020
    Inventors: Alexander Antonius Marie STROEKS, Hao CHEN
  • Patent number: 10611881
    Abstract: The present invention relates to a polymer fiber made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid and diamine comprising at least 5 mole % of a first diamine and at least 5 mole % of a second diamine relative to the total amount of diamine; and 0-5 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units, wherein the PPA has a melting temperature (Tm) of at least 310° C. measured by the DSC method according to ISO-11357-1/3, 2011 and with a heating rate of 10° C./min.
    Type: Grant
    Filed: January 12, 2015
    Date of Patent: April 7, 2020
    Assignee: DSM IP ASSETS B.V.
    Inventors: Pim Gerard Anton Janssen, Alexander Antonius Marie Stroeks
  • Patent number: 10406788
    Abstract: The invention relates to a co-extruded film comprising a sealing layer of low density polyethylene and a skin layer, wherein the skin layer comprises a copolyamide which comprises: •At least 75 wt % monomeric units derived from caprolactam; •Between 5 to 25 wt % monomeric units derived from a diamine and terephthalic acid; wherein the weight percentage is with respect to the total weight of copolyamide in the skin layer. The invention also relates to a process for preparing such a film, as well as applications of the film.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: September 10, 2019
    Assignee: DSM IP ASSSETS B.V.
    Inventors: Alexander Antonius Marie Stroeks, Hao Chen, James Calvin Miller
  • Patent number: 10364330
    Abstract: Processes are disclosed for preparing biaxially oriented film by forming a polymer melt of a composition which includes at least 50 wt % with respect to the total amount of the composition of a copolyamide having at least 75 wt. % monomeric units derived from either (i) caprolactam or (ii) hexamethylene diamine and adipic acid, each of which further includes units derived from diamines X and/or diacids Y and/or aminoacids Z in a summed amount of between 0.2 to 25 wt %, followed sequentially by casting and quenching a film of the polymer melt, MD-stretching of the film, TD-stretching the film, cooling the film after TD-stretching, and heat setting the biaxially oriented film. The resulting biaxially oriented film exhibits attributes suitable for use as food packaging.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 30, 2019
    Assignee: DSM IP ASSETS B.V.
    Inventors: Hao Chen, Alexander Antonius Marie Stroeks, Roman Stepanyan
  • Publication number: 20190062577
    Abstract: The invention relates to a method for forming a three-dimensional object by fused filament fabrication comprising the step of selectively dispensing a polymer composition containing a semi-crystalline copolyamide in accordance with the shape of a portion of a three-dimensional object, characterized that the semi-crystalline copolyamide comprises: a) At least 70 wt. % of aliphatic monomeric units derived from i. Aminoacid A, or ii. diamine B and diacid C, and b) At least 0.5 wt. % of further monomeric units derived from a cyclic monomer, wherein wt. % is with respect to the total weight of the semi-crystalline copolyamide. The invention relates also relates to objects attainable by this method and to the use of the said semi-crystalline copolyamide in fused filament fabrication.
    Type: Application
    Filed: March 10, 2017
    Publication date: February 28, 2019
    Inventors: Wilhelmus Frederikus ZOETELIEF, Alexander Antonius Marie STROEKS, Patrick Gerardus DUIS
  • Publication number: 20180207913
    Abstract: The invention relates to a co-extruded film comprising a sealing layer of low density polyethylene and a skin layer, wherein the skin layer comprises a copolyamide which comprises: •At least 75 wt % monomeric units derived from caprolactam; •Between 5 to 25 wt % monomeric units derived from a diamine and terephthalic acid; wherein the weight percentage is with respect to the total weight of copolyamide in the skin layer. The invention also relates to a process for preparing such a film, as well as applications of the film.
    Type: Application
    Filed: August 4, 2016
    Publication date: July 26, 2018
    Inventors: Alexander Antonius Marie STROEKS, Hao CHEN, James Calvin MILLER
  • Publication number: 20180205117
    Abstract: Solid polymer electrolyte containing A: a thermoplastic elastomer containing polyester, polyamide or diamide hard blocks and ionically conductive soft blocks and B: a metal salt and less than 15 wt. % of a plasticizer. The electrolyte may be used as a spacer in a battery, a binder in an electrode and an adhesive film between a spacer and at least one electrode of a battery.
    Type: Application
    Filed: July 8, 2016
    Publication date: July 19, 2018
    Inventors: Carel Frederik Constantijn FITIÉ, Robert Hendrik Catharina JANSSEN, Alexander Antonius Marie STROEKS
  • Patent number: 9980898
    Abstract: 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: Grant
    Filed: August 29, 2014
    Date of Patent: May 29, 2018
    Assignee: 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: 9951466
    Abstract: 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: Grant
    Filed: August 29, 2014
    Date of Patent: April 24, 2018
    Assignee: 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: 20180030326
    Abstract: 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: Application
    Filed: February 26, 2016
    Publication date: February 1, 2018
    Inventors: Katarina TOMIC, Harold Geert Hendrik VAN MELICK, Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
  • Patent number: 9832869
    Abstract: The invention relates to a stretched polymer film made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid; and diamine comprising at least 5 mole % 1,4-butanediamine and at least 5 mole % 1,6-hexanediamine, relative to the total amount of diamine, the combined amount of 1,4-butanediamine and 1,6-hexanediamine being at least 60 mole % relative to the total amount of diamine; and 0-2 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units. The invention further relates to a process for preparing the polyamide film by melt extrusion and stretching of the film.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: November 28, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Alexander Antonius Marie Stroeks, Pim Gerard Anton Janssen
  • Patent number: 9821536
    Abstract: This invention relates to a process for the preparation of an antiballistic article, the method comprising: a) Providing a transparent uniaxially stretched polymeric film with at least one layer I comprising a semi-crystalline thermoplastic polymer A and at least one layer II comprising an amorphous or semi-crystalline thermoplastic polymer B, of which polymer B has a glass transition temperature less than the melting temperature of polymer A if polymer B is amorphous or of which polymer B has a melting temperature less than the melting temperature of polymer A if polymer B is semi-crystalline; b) Stacking at least two of the uniaxially stretched polymeric films of a) at an angle a of between 45° and 135°, such that the films are in contact with each subsequent film through at least one layer II, to form an assembly; c) Compressing the thus formed assembly at a temperature above the glass transition temperature of polymer B if polymer B is amorphous, or above the melting temperature of polymer B if polymer B
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: November 21, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Marko Dorschu, Alexander Antonius Marie Stroeks, Hao Chen
  • Publication number: 20170327653
    Abstract: The invention relates to a process for preparing a biaxially oriented film, comprising the following steps: a) Melting a composition comprising at least 50 wt % with respect to the total amount of the composition of a copolyamide comprising: i. At least 75 wt % monomeric units derived from caprolactam, and further monomeric units derived from diamines X and/or diacids Y and/or aminoacids Z in a summed amount of between 0.2 to 25 wt %; or ii. At least 75 wt % monomeric units derived from hexamethylene diamine and adipic acid, and further monomeric units derived from diamines X and/or diacids Y and/or aminoacids Z in a summed amount of between 0.
    Type: Application
    Filed: November 12, 2015
    Publication date: November 16, 2017
    Inventors: Hao CHEN, Alexander Antonius Marie STROEKS, Roman STEPANYAN
  • Publication number: 20160333144
    Abstract: The present invention relates to a polymer fiber made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from—aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid and—diamine comprising at least 5 mole % of a first diamine and at least 5 mole % of a second diamine relative to the total amount of diamine; and—0-5 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units, wherein the PPA has a melting temperature (Tm) of at least 310° C. measured by the DSC method according to ISO-11357-1/3, 2011 and with a heating rate of 10° C./min.
    Type: Application
    Filed: January 12, 2015
    Publication date: November 17, 2016
    Inventors: Pim Gerard Anton JANSSEN, Alexander Antonius Marie STROEKS
  • Patent number: 9463609
    Abstract: 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: Grant
    Filed: December 19, 2013
    Date of Patent: October 11, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Ted Brink, Alexander Antonius Marie Stroeks, Katarina Tomic
  • Publication number: 20160213602
    Abstract: 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: Application
    Filed: August 29, 2014
    Publication date: July 28, 2016
    Inventors: Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
  • Publication number: 20160201256
    Abstract: 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: Application
    Filed: August 29, 2014
    Publication date: July 14, 2016
    Inventors: Travis BAUGHMAN, Robin Elisabeth Maria Jacobus DAENEN, Alexander Antonius Marie STROEKS, Franciscus Johannes Marie DERKS, Pieter GIJSMAN
  • Patent number: 9376563
    Abstract: 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: Grant
    Filed: September 16, 2010
    Date of Patent: June 28, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Konraad Dullaert, Eric Willem Van Der Vegte, Katarina Tomic, Alexander Antonius Marie Stroeks
  • Publication number: 20160183368
    Abstract: The invention relates to a stretched polymer film made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid; and diamine comprising at least 5 mole % 1,4-butanediamine and at least 5 mole % 1,6-hexanediamine, relative to the total amount of diamine, the combined amount of 1,4-butanediamine and 1,6-hexanediamine being at least 60 mole % relative to the total amount of diamine; and 0-2 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units. The invention further relates to a process for preparing the polyamide film by melt extrusion and stretching of the film.
    Type: Application
    Filed: July 9, 2014
    Publication date: June 23, 2016
    Applicant: DSM IP Assets B.V.
    Inventors: Alexander Antonius Marie STROEKS, Pim Gerard Anton JANSSEN