Patents by Inventor Wilhelmus Johannes Daniel Steendam

Wilhelmus Johannes Daniel Steendam 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).

  • Patent number: 10329421
    Abstract: A thermoplastic composition comprising, based on the total weight of the thermoplastic composition: 40 to 80 wt. % of an aromatic polycarbonate; 10 to 40 wt. % of a reinforcing mineral filler; 0.05 to 1.5 wt. % of a fluorinated polymer; 10 to 35 wt. % of a polyetherimide; 0 to 1.5 wt. % of sodium trichlorobenzene sulphonate; optionally, 1 to 8 wt. % of an organic phosphorus-containing flame retardant; optionally, 0.05 to 20 wt. % of an impact modifier; and optionally, 0.05 to 5 wt. % of an additive composition comprising an antioxidant, a mold release agent, and a stabilizer.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: June 25, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Christianus Johannes Jacobus Maas, Sjoerd van Nispen, Wilhelmus Johannes Daniel Steendam
  • Patent number: 10273357
    Abstract: Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate useful for high heat applications. The compositions can include one or more additional polymers. The compositions can include one or more additives. The compositions can be used to prepare articles of manufacture, and in particular, automotive bezels.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: April 30, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Sarah E. Grieshaber, Tony Farrell, Rob Boonman, Wilhelmus Johannes Daniel Steendam, Maria del Mar Diez Diaz, Robert Dirk van de Grampel, Natacha Forey, Sjoerd van Nispen
  • Patent number: 9790367
    Abstract: Disclosed herein are methods and compositions of blended polycarbonate compositions with simultaneously decreased splay and improved impact characteristics. The resulting compositions, comprising one or more polycarbonate polymers, a splay reducer, and a filler, can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with decreased splay. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: October 17, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Wilhelmus Johannes Daniel Steendam, Chiel Albertus Leenders, Robert Walter Venderbosch, Mark Adrianus Johannes Van Der Mee, Sjoerd Franciscus Gerardus Maria Van Nispen, Tony Farrell
  • Patent number: 9574083
    Abstract: The present disclosure relates to a thermoplastic composition having a better mold release performance. The disclosed thermoplastic composition comprises polycarbonate components, an impact modifier and a mold release composition. Also disclosed is a method for making the disclosed thermoplastic composition and an article of manufacture comprising the disclosed polymer composition.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: February 21, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Wei Zhao, Wilhelmus Johannes Daniel Steendam, Amit Kulkarni
  • Publication number: 20170029618
    Abstract: Polycarbonate blend compositions are disclosed. The compositions include at least one polycarbonate useful for high heat applications. The compositions can include one or more additional polymers. The compositions can include one or more additives. The compositions can be used to prepare articles of manufacture, and in particular, automotive bezels.
    Type: Application
    Filed: April 15, 2015
    Publication date: February 2, 2017
    Inventors: Sarah E. Grieshaber, Tony Farrell, Rob Boonman, Wilhelmus Johannes Daniel Steendam, Maria del Mar Diez Diaz, Robert Dirk van de Grampel, Natacha Forey, Sjoerd van Nispen
  • Publication number: 20150361260
    Abstract: A thermoplastic composition comprising, based on the total weight of the thermoplastic composition: 40 to 80 wt. % of an aromatic polycarbonate; 10 to 40 wt. % of a reinforcing mineral filler; 0.05 to 1.5 wt. % of a fluorinated polymer; 10 to 35 wt. % of a polyetherimide; 0 to 1.5 wt. % of sodium trichlorobenzene sulphonate; optionally, 1 to 8 wt. % of an organic phosphorus-containing flame retardant; optionally, 0.05 to 20 wt. % of an impact modifier; and optionally, 0.05 to 5 wt. % of an additive composition comprising an antioxidant, a mold release agent, and a stabilizer.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 17, 2015
    Inventors: Christianus Johannes Jacobus Maas, Sjoerd van Nispen, Wilhelmus Johannes Daniel Steendam
  • Patent number: 9193864
    Abstract: The present disclosure relates to thermoplastic polycarbonate compositions comprising a first polycarbonate component, a second polycarbonate component comprising an isosorbide/resorcinol/bisphenol-A polycarbonate terpolymer, and at least one impact modifier. The disclosed compositions have, among other characteristics, improved Notched Izod Impact strength, tensile modulus, tensile strength, and multi-axial impact strength. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: November 24, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Wilhelmus Johannes Daniel Steendam, Robert Puyenbroek, Bernardus Johannes Paulus Jansen
  • Publication number: 20150240073
    Abstract: The present disclosure relates to a thermoplastic composition having a better mold release performance. The disclosed thermoplastic composition comprises polycarbonate components, an impact modifier and a mold release composition. Also disclosed is a method for making the disclosed thermoplastic composition and an article of manufacture comprising the disclosed polymer composition.
    Type: Application
    Filed: February 27, 2014
    Publication date: August 27, 2015
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Wei Zhao, Wilhelmus Johannes Daniel Steendam, Amit Kulkarni
  • Patent number: 8871865
    Abstract: Disclosed is a thermoplastic composition comprising a polycarbonate terpolymer comprising structures derived from structures (I), (II) and (III), wherein (I) is a dihydroxy compound having the structure (A): wherein n is 0 to 4 and Rf is independently a halogen atom, a C1-10 hydrocarbon group, or a C1-10 halogen substituted hydrocarbon group; (II) comprises a second dihydroxy compound derived from Formula (A) and different from (I) and wherein n and Rf are as previously defined; and (III) a third dihydroxy compound not derived from Formula (A), wherein the sum of the mol percent of all of structures (I) and (II) is greater than 45% relative to the sum of the molar amounts of all of structures (I), (II) and (III) in the polycarbonate terpolymer and wherein said polycarbonate terpolymer is amorphous; an impact modifier; an ungrafted rigid copolymer; and a flame retardant. The thermoplastic composition has improved chemical resistance and flame retardance.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: October 28, 2014
    Assignee: Sabic Global Technologies B.V.
    Inventors: Bernardus Johannes Paulus Jansen, Christiaan Henricus Johannes Koevoets, Edward Kung, Wilhelmus Johannes Daniel Steendam
  • Publication number: 20140200303
    Abstract: Disclosed herein are methods and compositions of blended polycarbonate compositions with simultaneously decreased splay and improved impact characteristics. The resulting compositions, comprising one or more polycarbonate polymers, a splay reducer, and a filler, can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with decreased splay. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 17, 2014
    Inventors: WILHELMUS JOHANNES DANIEL STEENDAM, CHIEL ALBERTUS LEENDERS, ROBERT WALTER VENDERBOSCH, MARK ADRIANUS JOHANNES VAN DER MEE, SJOERD FRANCISCUS GERARDUS MARIA VAN NISPEN, TONY FARRELL
  • Publication number: 20130345347
    Abstract: The present disclosure relates to thermoplastic polycarbonate compositions comprising a first polycarbonate component, a second polycarbonate component comprising an isosorbide/resorcinol/bisphenol-A polycarbonate terpolymer, and at least one impact modifier. The disclosed compositions have, among other characteristics, improved Notched Izod Impact strength, tensile modulus, tensile strength, and multi-axial impact strength. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Application
    Filed: June 22, 2012
    Publication date: December 26, 2013
    Inventors: Wilhelmus Johannes Daniel Steendam, Robert Puyenbroek, Bernardus Johannes Paulus Jansen
  • Patent number: 8030400
    Abstract: Disclosed is a thermoplastic composition comprising a polycarbonate terpolymer comprising structures derived from structures (I), (II) and (III), wherein (I) is a dihydroxy compound having the structure (A): wherein n is 0 to 4 and Rf is independently a halogen atom, a C1-10 hydrocarbon group, or a C1-10 halogen substituted hydrocarbon group; (II) comprises a second dihydroxy compound derived from Formula (A) and different from (I) and wherein n and Rf are as previously defined; and (III) a third dihydroxy compound not derived from Formula (A), wherein the sum of the mol percent of all of structures (I) and (II) is greater than 45% relative to the sum of the molar amounts of all of structures (I), (II) and (III) in the polycarbonate terpolymer and wherein said polycarbonate terpolymer is amorphous; an impact modifier; and an ungrafted rigid copolymer. The thermoplastic composition has improved chemical resistance and scratch resistance.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: October 4, 2011
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Edward Kung, Wilhelmus Johannes Daniel Steendam
  • Patent number: 7786246
    Abstract: Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C14-44 aliphatic diacid, C14-44 aliphatic diol, or combination of these; and a polysiloxane block.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: August 31, 2010
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Bernardus Johannes Paulus Jansen, Jan Henk Kamps, Edward Kung, Hans Looij, Lina Prada, Wilhelmus Johannes Daniel Steendam
  • Publication number: 20100099832
    Abstract: Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C14-44 aliphatic diacid, C14-44 aliphatic diol, or combination of these; and a polysiloxane block.
    Type: Application
    Filed: December 23, 2009
    Publication date: April 22, 2010
    Applicant: SABIC INNOVATIVE PLASTICS IP B.V.
    Inventors: Bernardus Johannes Paulus Jansen, Jan Henk Kamps, Edward Kung, Hans Looij, Lina Prada, Wilhelmus Johannes Daniel Steendam
  • Patent number: 7666972
    Abstract: Disclosed herein is an isosorbide-based polycarbonate polymer comprising: an isosorbide unit, an aliphatic unit derived from a C14-44 aliphatic diacid, C14-44 aliphatic diol, or combination of these; and optionally, an additional unit different from the isosorbide and aliphatic units, wherein the isosorbide unit, aliphatic unit, and additional unit are each carbonate, or a combination of carbonate and ester units. Also disclosed are a thermoplastic composition and an article comprising the isosorbide-based polycarbonate.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: February 23, 2010
    Assignee: SABIC Innovative Plastics IP B., V.
    Inventors: Bernardus Johannes Paulus Jansen, Jan Henk Kamps, Edward Kung, Hans Looij, Lina Prada, Wilhelmus Johannes Daniel Steendam
  • Patent number: 7659359
    Abstract: An isosorbide-containing polycarbonate composition is provided. The composition contains a polycarbonate having repeat units derived from isosorbide, a polycarbonate-property-modifying additive, and a pH stabilizer. When a solution containing 10 wt. % of the composition dissolved in dichloromethane is prepared the solution has a non-aqueous pH in a range of equal to or between 0.8 below and 0.5 above the pH of the dichloromethane.
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: February 9, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Roland Assink, Hans de Brouwer, Bernd Jansen, Jan Henk Kamps, Wilhelmus Johannes Daniel Steendam, Jan-Willem Goedmakers
  • Publication number: 20090124749
    Abstract: A thermoplastic composition having improved scratch resistance comprising in combination from 20 to 80 wt. % of a polycarbonate homopolymer or copolymer comprising repeat carbonate units having the following structure: wherein R1 and R2 are independently at each occurrence a C1-C6 alkyl, n is an integer having a value of 0 to 4, p is an integer having a value of 1 to 4, and T is selected from the group consisting of C5-C10 cycloalkanes attached to the aryl groups at one or two carbons, C1-C5 alkyl groups, C6-C13 aryl groups, and C7-C13 aryl alkyl groups; from 20 to 80 wt. % of a poly(alkyl(meth)acrylate), wherein the alkyl group is straight or branched-chain, and has 1 or 2 carbons atoms is disclosed.
    Type: Application
    Filed: November 9, 2007
    Publication date: May 14, 2009
    Applicant: SABIC INNOVATIVE PLASTICS IP BV
    Inventors: Wilhelmus Johannes Daniel Steendam, Robert Puyenbroek
  • Publication number: 20080033108
    Abstract: Disclosed is a thermoplastic composition comprising a polycarbonate terpolymer comprising structures derived from structures (I), (TI) and (III), wherein (I) is a dihydroxy compound having the structure (A): wherein n is 0 to 4 and Rf is independently a halogen atom, a C1-10 hydrocarbon group, or a C1-10 halogen substituted hydrocarbon group; (II) comprises a second dihydroxy compound derived from Formula (A) and different from (I) and wherein n and Rf are as previously defined; and (III) a third dihydroxy compound not derived from Formula (A), wherein the sum of the mol percent of all of structures (I) and (II) is greater than 45% relative to the sum of the molar amounts of all of structures (I), (II) and (III) in the polycarbonate terpolymer and wherein said polycarbonate terpolymer is amorphous; an impact modifier; and an ungrafted rigid copolymer. The thermoplastic composition has improved chemical resistance and scratch resistance.
    Type: Application
    Filed: August 1, 2006
    Publication date: February 7, 2008
    Applicant: General Electric Company
    Inventors: Edward Kung, Wilhelmus Johannes Daniel Steendam
  • Publication number: 20080029744
    Abstract: Disclosed is a thermoplastic composition comprising a polycarbonate terpolymer comprising structures derived from structures (I), (II) and (III), wherein (I) is a dihydroxy compound having the structure (A): wherein n is 0 to 4 and Rf is independently a halogen atom, a C1-10 hydrocarbon group, or a C1-10 halogen substituted hydrocarbon group; (II) comprises a second dihydroxy compound derived from Formula (A) and different from (I) and wherein n and Rf are as previously defined; and (III) a third dihydroxy compound not derived from Formula (A), wherein the sum of the mol percent of all of structures (I) and (II) is greater than 45% relative to the sum of the molar amounts of all of structures (I), (II) and (III) in the polycarbonate terpolymer and wherein said polycarbonate terpolymer is amorphous; an impact modifier; an ungrafted rigid copolymer; and a flame retardant. The thermoplastic composition has improved chemical resistance and flame retardance.
    Type: Application
    Filed: June 12, 2007
    Publication date: February 7, 2008
    Applicant: General Electric Company
    Inventors: Bernardus Johannes Paulus Jansen, Christiaan Henricus Johannes Koevoets, Edward Kung, Wilhelmus Johannes Daniel Steendam