Patents by Inventor Theo Hoeks

Theo Hoeks 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: 11444236
    Abstract: A polymer composite thin film exhibiting piezoelectric properties may include a polymer matrix with base material of Polyoxymethylene (POM) and a piezoelectric additive of greater than approximately five (5) percent by weight of the polymer composite thin film. The piezoelectric additives may include BaTiO3 and KNN. The polymer composite thin film exhibits piezoelectric characteristics and may be used in electronic devices in piezoelectric actuators and piezoelectric sensors.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: September 13, 2022
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Meghna Markanday, Pradeep Singh, Arun Kumar Sikder, Theo Hoeks, Venkata Ramanarayanan Ganapathy Bhotla, Anantharaman Dhanabalan
  • Publication number: 20220049064
    Abstract: This disclosure describes micro, sub-micro, and nano-cellular polymer foams formed from a polymer composition that includes a polymer and functionalized carbon nanotubes, and systems and methods of formation thereof. The microcellular polymer foam has an average pore size within a range of 1 micron to 100 microns, the sub-microcellular polymer foam has an average pore size within a range of 0.5 microns to 1 micron, and the nano-cellular polymer foam has an average pore size within a range of 10 nanometers to 500 nanometers. In other aspects, this disclosure describes micro, sub-micro, and nano-cellular polymer foams formed from a polymer composition that includes a polymer and non-functionalized carbon nanotubes.
    Type: Application
    Filed: November 27, 2019
    Publication date: February 17, 2022
    Inventors: Frans MERCX, Arno HAGENAARS, Robert VAN DE GRAMPEL, Sidney VASTENHOUT, Theo HOEKS
  • Publication number: 20220033614
    Abstract: This disclosure describes a polymer composition that includes a polymer and functionalized carbon nanotubes, and systems and method of formation thereof. The polymer composition includes functionalized carbon nanotubes and one or more polymers. Parts formed from the polymer composition have improved sloughing properties as compared to parts formed from compositions including conventional carbon nanotubes. Additionally, parts formed herein have lower liquid particle count values as compared to parts formed from compositions including conventional carbon nanotubes.
    Type: Application
    Filed: November 27, 2019
    Publication date: February 3, 2022
    Inventors: Frans MERCX, Arno HAGENAARS, Robert VAN DE GRAMPEL, Sidney VASTENHOUT, Theo HOEKS
  • Publication number: 20210395523
    Abstract: This disclosure describes a polymer composition that includes a polymer, crystalline cellulose, and functionalized carbon nanotubes, and systems and method of formation thereof. The polymer composition includes functionalized carbon nanotubes, crystalline cellulose, and one or more polymers.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 23, 2021
    Inventors: Arno HAGENAARS, Frans MERCX, Robert VAN DE GRAMPEL, Sidney VASTENHOUT, Theo HOEKS, Vaidya RAMAKRISHNAN
  • Publication number: 20200235281
    Abstract: A polymer composite thin film exhibiting piezoelectric properties may include a polymer matrix with base material of Polyoxymethylene (POM) and a piezoelectric additive of greater than approximately five (5) percent by weight of the polymer composite thin film. The piezoelectric additives may include BaTiO3 and KNN. The polymer composite thin film exhibits piezoelectric characteristics and may be used in electronic devices in piezoelectric actuators and piezoelectric sensors.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 23, 2020
    Inventors: Meghna MARKANDAY, Pradeep SINGH, Arun Kumar SIKDER, Theo HOEKS, Venkata Ramanarayanan Ganapathy BHOTLA, Anantharaman DHANABALAN
  • Publication number: 20190058108
    Abstract: A dielectric polymer, methods of making the dielectric polymer, and uses thereof (e.g. piezoelectric sensors and/or actuators) are described. The dielectric polymer includes a polymeric matrix (e.g. a copolymers of styrene and acrylonitrile SAN, or a terpolymer of the former with methyl methacrylate MMA-SAN) derived from at least one polymerizable vinyl monomer and an ionic liquid that includes an organic cation and a balancing anion (e.g. 1-butyl-3-methylimidazolium hexafluorophosphate BMMMPF6). The ionic liquid is compatible with the at least one polymerizable vinyl monomer and the concentration of the ionic liquid in the dielectric polymeric composition ranges from 0.5 wt. % to less than 30 wt. %.
    Type: Application
    Filed: October 24, 2016
    Publication date: February 21, 2019
    Inventors: Soma Guhathakurta, Redha Bella, Theo Hoeks
  • Publication number: 20170321023
    Abstract: A method of making a solvent cast polymer composite film comprising (a) contacting barium titanate, a titanate coupling agent (TCA) and a mixing solvent to form a barium titanate and TCA solution; (b) dispersing at least a portion of the barium titanate and TCA solution to form TCA treated barium titanate; (c) contacting at least a portion of the TCA treated barium titanate with a polyetherimide and a casting solvent to form a polymer composite casting solution; (d) casting at least a portion of the polymer composite casting solution onto a casting substrate to form a solvent cast polymer composite solution; and (e) curing at least a portion of the solvent cast polymer composite solution to form the solvent cast polymer composite film.
    Type: Application
    Filed: April 25, 2017
    Publication date: November 9, 2017
    Inventors: Wazed ALI, Redha BELLA, Theo HOEKS, Susanta MITRA
  • Publication number: 20170174983
    Abstract: Disclosed is a photochromic material that includes a first polymeric layer having a photochromic compound that is capable of being activated in response to a stimulus. The first polymeric layer is configured such that the activated photochromic compound becomes inactivated within 10 minutes, preferably within 5 minutes, most preferably within 1 minute, in the absence of said stimulus.
    Type: Application
    Filed: March 25, 2015
    Publication date: June 22, 2017
    Inventors: Ihab N. Odeh, Meghna N. Markanday, Jurgen Van Peer, John Van Der Wal, Pradeep Nadkarni, Theo Hoeks, Mohamed Ashraf Moideen, Girish Koripelly
  • Publication number: 20160208078
    Abstract: The present disclosure relates to a nitrogen containing thermoplastic polymer composition having reduced combustion toxicity. The disclosed thermoplastic composition comprises at least one polyetherimide resin, and at least one combustion toxicant suppressant. Also disclosed is a method for making the disclosed thermoplastic polymer composition and an article of manufacture comprising the disclosed polymer composition.
    Type: Application
    Filed: September 23, 2014
    Publication date: July 21, 2016
    Inventors: Ajit Bhaskar, Theo Hoeks, Jan Henk Kamps, Wilson Cheung, Xin Chen
  • Patent number: 9127119
    Abstract: Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. 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 11, 2013
    Date of Patent: September 8, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Roopali Rai, Theo Hoeks, Jaykisore Pal, BG Umesh, Shantaram Narayan Naik, Subramanyam Santhanam, Shweta Hegde, Hariharan Ramalingham
  • Publication number: 20150237866
    Abstract: Disclosed herein are methods and compositions of thermoplastic compositions with antimicrobial properties. The resulting compositions, comprising one or more thermoplastic polymers, a zinc additive component, and an acid stabilizer component, can be used in the manufacture of articles requiring antimicrobial protection while still retaining the advantageous physical properties of thermoplastic compositions. 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: February 24, 2014
    Publication date: August 27, 2015
    Inventors: Alexander van Goudswaard, Theo Hoeks, Hans Looij, Jan Henk Kamps
  • Patent number: 8975346
    Abstract: In one aspect, the invention relates to relates to copolymer compositions comprising domains of polycarbonate and polyacrylate, and to methods of preparing the copolymers, wherein the method comprises reacting a polycarbonate macroinitator with a vinyl monomer by atom transfer radical polymerization. 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: May 18, 2012
    Date of Patent: March 10, 2015
    Assignee: SABIC Global Technologies B.V.
    Inventors: Meghna Markanday, Balakrishnan Ganesan, Theo Hoeks, Jan Henk Kamps
  • Publication number: 20140200308
    Abstract: Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. 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 11, 2013
    Publication date: July 17, 2014
    Applicant: SABIC Innovative Plastics IP B.V.
    Inventors: Roopali Rai, Theo Hoeks, Jaykisore Pal, BG Umesh, Shantaram Narayan Naik, Subramanyam Santhanam, Shweta Hegde, Hariharan Ramalingham
  • Publication number: 20130310524
    Abstract: In one aspect, the invention relates to relates to copolymer compositions comprising domains of polycarbonate and polyacrylate, and to methods of preparing the copolymers, wherein the method comprises reacting a polycarbonate macroinitator with a vinyl monomer by atom transfer radical polymerization. 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: May 18, 2012
    Publication date: November 21, 2013
    Inventors: Meghna Markanday, BALAKRISHNAN GANESAN, THEO HOEKS, JAN HENK KAMPS
  • Patent number: 7563846
    Abstract: A thermoplastic composition comprises a polycarbonate, an acrylonitrile-styrene-acrylate terpolymer, and a low gloss additive, wherein the 60° gloss is measured to be less than or equal to 90 GU according to ASTM D2457. The thermoplastic composition has excellent low gloss performance and mechanical performance. A method of making the thermoplastic composition, and an article comprising the thermoplastic composition are also disclosed.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: July 21, 2009
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Jing Chen, Theo Hoeks, Xinmin Yang
  • Patent number: 7498383
    Abstract: A thermoplastic composition comprises a polycarbonate, a polysiloxane-polycarbonate, and a gel-type low gloss additive, wherein the 60° gloss is measured to be less than or equal to 90 GU according to ASTM D2457. The thermoplastic composition has excellent impact strength and color capability. A method of making the thermoplastic composition, and an article comprising the thermoplastic composition are also disclosed.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: March 3, 2009
    Assignee: SABIC Innovative Plastics IP B.V.
    Inventors: Jing Chen, Theo Hoeks, Xinmin Yang
  • Publication number: 20070010635
    Abstract: A thermoplastic composition comprises a polycarbonate, a polysiloxane-polycarbonate, and a gel-type low gloss additive, wherein the 60° gloss is measured to be less than or equal to 90 GU according to ASTM D2457. The thermoplastic composition has excellent impact strength and color capability. A method of making the thermoplastic composition, and an article comprising the thermoplastic composition are also disclosed.
    Type: Application
    Filed: July 8, 2005
    Publication date: January 11, 2007
    Inventors: Jing Chen, Theo Hoeks, Xinmin Yang
  • Publication number: 20070010618
    Abstract: A thermoplastic composition comprises a polycarbonate, an acrylonitrile-styrene-acrylate terpolymer, and a low gloss additive, wherein the 60° gloss is measured to be less than or equal to 90 GU according to ASTM D2457. The thermoplastic composition has excellent low gloss performance and mechanical performance. A method of making the thermoplastic composition, and an article comprising the thermoplastic composition are also disclosed.
    Type: Application
    Filed: July 8, 2005
    Publication date: January 11, 2007
    Inventors: Jing Chen, Theo Hoeks, Xinmin Yang