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: 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
  • Publication number: 20160100603
    Abstract: The present invention relates to a process for preparing foil-ripened cheese comprising (i) introducing cheese after brining into a cheese-aging packaging containing an opening for receiving cheese, (ii) closing the packaging, and (iii) ripening the cheese, wherein the cheese-aging packaging comprises a thermoplastic, monolithic film and the closed cheese-aging packaging has a water vapor transmission rate of at least 10 g/m2/24 hours at 10° C. and 85% relative humidity and an oxygen permeability of at most 100 cm3/m2/24 hours/atm at 10° C. and 85% relative humidity.
    Type: Application
    Filed: November 13, 2015
    Publication date: April 14, 2016
    Inventors: Marnix VAN GURP, Corstiaan Johannes HOOFT, Josien KRIJGSMAN, Alexander Antonius Marie STROEKS
  • Patent number: 9242789
    Abstract: The present invention relates to a process for preparing foil-ripened cheese comprising (i) introducing cheese after brining into a cheese-aging packaging containing an opening for receiving cheese, (ii) closing the packaging, and (iii) ripening the cheese, wherein the cheese-aging packaging comprises a thermoplastic, monolithic film and the closed cheese-aging packaging has a water vapor transmission rate of at least 10 g/m2/24 hours at 10° C. and 85% relative humidity and an oxygen permeability of at most 100 cm3/m2/24 hours/atm at 10° C. and 85% relative humidity.
    Type: Grant
    Filed: October 12, 2008
    Date of Patent: January 26, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Marnix Van Gurp, Corstiaan Johannes Hooft, Josien Krijgsman, Alexander Antonius Marie Stroeks
  • Patent number: 9243109
    Abstract: 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: Grant
    Filed: June 28, 2012
    Date of Patent: January 26, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Alexander Antonius Marie Stroeks, Katarina Tomic
  • Publication number: 20150337093
    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: Application
    Filed: December 19, 2013
    Publication date: November 26, 2015
    Inventors: Ted BRINK, Alexander Antonius Marie STROEKS, Katarina TOMIC
  • Publication number: 20150251392
    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 ? 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: Application
    Filed: October 29, 2013
    Publication date: September 10, 2015
    Inventors: Marko Dorschu, Alexander Antonius Marie Stroeks, Hao Chen
  • Patent number: 9114929
    Abstract: The present invention relates to a process for preparing foil-ripened cheese comprising (i) introducing cheese after brining into a cheese-aging packaging containing an opening for receiving cheese, (ii) closing the packaging, and (iii) ripening the cheese, wherein the cheese-aging packaging comprises a thermoplastic, monolithic film and the closed cheese-aging packaging has a water vapor transmission rate of at least 10 g/m2/24 hours at 10° C. and 85% relative humidity and an oxygen permeability of at most 100 cm3/m2/24 hours/atm at 10° C. and 85% relative humidity.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: August 25, 2015
    Assignee: DSM IP ASSETS B.V.
    Inventors: Marnix Van Gurp, Corstiaan Johannes Hooft, Josien Krijgsman, Alexander Antonius Marie Stroeks
  • Patent number: 8871046
    Abstract: The invention relates to a method for the preparation of a transparent antiballistic article. The method comprises providing a plurality of anisotropic polymeric film layers, stacking the film layers to form an assembly and compressing the thus formed assembly at a temperature and pressure sufficient to consolidate the film layers, whereby the temperature is not more than 50° C. below the melting temperature of the polymer, the pressure is at least 80 MPa and sufficiently high to obtain an optical transparency according of at least 50% transmission. The invention also relates to a ballistic resistant article having an energy absorption for 17 grain FSP according to the STANAG 2920 standard of at least 10 J/(kg/m2) and an optical transparency according of at least 50% transmission.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: October 28, 2014
    Assignee: DSM IP Assets B.V.
    Inventors: Marko Dorschu, Markus Johannes Henricus Bulters, Alexander Antonius Marie Stroeks, Jan Stolk
  • Publication number: 20140311098
    Abstract: The present invention relates to packaging material and its use in the shelf-life extension and quality improvement of products.
    Type: Application
    Filed: September 5, 2012
    Publication date: October 23, 2014
    Applicant: DSM IP Assets B.V.
    Inventors: Corstiaan Johannes Hooft, Baukje Folkertsma, Alexander Antonius Marie Stroeks
  • Patent number: 8778247
    Abstract: The invention relates to a polymer film made of a polyamide composition comprising at least 80 weight percentage (wt. %) of a semi-crystalline semi-aromatic polyamide with a melting temperature (Tm) of at least 270° C., wherein the wt. % is relative to the total weight of the polymer composition, wherein the polymer film has an average coefficient of thermal expansion in plane in the temperature range of 20° C.-Tg, measured in plane with the method according to ASTM D969-08, of at most 40 ppm/K. The said film can be made from a polyamide moulding composition comprising said polyamide by film casting followed by biaxial stretching. The film has properties suitable for carrier films in flexible printed circuit boards.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: July 15, 2014
    Assignee: DSM IP Assets B.V.
    Inventors: Alexander Antonius Marie Stroeks, Guido Richard Struijk
  • Publication number: 20130244047
    Abstract: 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: Application
    Filed: June 21, 2011
    Publication date: September 19, 2013
    Applicant: DSM IP ASSETS B.V.
    Inventors: Alexander Antonius Marie Stroeks, Katarina Tomic
  • Publication number: 20120245303
    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: Application
    Filed: September 16, 2010
    Publication date: September 27, 2012
    Inventors: Konraad Dullaert, Eric Willem Van Der Vegte, Katarina Tomic, Alexander Antonius Marie Stroeks
  • Publication number: 20120024577
    Abstract: The invention relates to a polymer film made of a polyamide composition comprising at least 80 weight percentage (wt. %) of a semi-crystalline semi-aromatic polyamide with a melting temperature (Tm) of at least 270° C., wherein the wt. % is relative to the total weight of the polymer composition, wherein the polymer film has an average coefficient of thermal expansion in plane in the temperature range of 20° C.-Tg, measured in plane with the method according to ASTM D969-08, of at most 40 ppm/K. The said film can be made from a polyamide moulding composition comprising said polyamide by film casting followed by axial stretching. The film has properties suitable for carrier films in flexible printed circuit boards.
    Type: Application
    Filed: January 15, 2010
    Publication date: February 2, 2012
    Inventors: Alexander Antonius Marie Stroeks, Guido Richard Struijk
  • Publication number: 20110177742
    Abstract: The invention is directed to a functional sheet, to a method for preparing said sheet, to a packaging material and to the use of said packaging material. The functional sheet of the invention comprises a porous polymeric carrier having a porosity of at least 60%, preferably at least 80%, more preferably at least 90%, wherein said polymeric carrier comprises one or more functional compounds, which functional compound provides said sheet with at least one function selected from sensing, scavenging and releasing and wherein the polymeric carrier comprises one or more polyolefins and the average pore size of the polymeric carrier is at least 0.11 ?m.
    Type: Application
    Filed: July 9, 2009
    Publication date: July 21, 2011
    Inventors: Filip Frederix, Dionislus Maria Joseph Gilissen, Marko Dorschu, Alexander Antonius Marie Stroeks
  • Publication number: 20100297311
    Abstract: The present invention relates to a process for preparing foil-ripened cheese comprising (i) introducing cheese after brining into a cheese-aging packaging containing an opening for receiving cheese, (ii) closing the packaging, and (iii) ripening the cheese, wherein the cheese-aging packaging comprises a thermoplastic, monolithic film and the closed cheese-aging packaging has a water vapor transmission rate of at least 10 g/m2/24 hours at 10° C. and 85% relative humidity and an oxygen permeability of at most 100 cm3/m2/24 hours/atm at 10° C. and 85% relative humidity.
    Type: Application
    Filed: October 12, 2008
    Publication date: November 25, 2010
    Inventors: Marnix Van Gurp, Corstiaan Johannes Hooft, Josien Krijgsman, Alexander Antonius Marie Stroeks
  • Publication number: 20080206500
    Abstract: Oxygen scavenging multilayer film, comprising a layer that comprises an oxygen scavenging composition, said layer being separated from a first surface of the film by one or more first layers, characterized in that the oxygen scavenging composition comprises a copolymer comprising substituted polypropylene oxide segments and polymer segments and an oxidation catalyst, wherein the copolymer has been prepared by copolymerising the corresponding monomers of the polymer segments in the presence of functionalised substituted polypropylene oxide segments, wherein the first layers have an overall oxygen permeability of at most 500 cm3/m2·24 h·atm.
    Type: Application
    Filed: June 8, 2006
    Publication date: August 28, 2008
    Inventors: Pieter Gijsman, Alexander Antonius Marie Stroeks