Patents by Inventor Jacob Koenen

Jacob Koenen 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: 20220323651
    Abstract: The disclosure relates to methods of making an osteoconductive polymer article for use as an orthopedic implant comprises steps of forming an article from a biocompatible, non-biodegradable polymer, the article comprising a non-flat surface with roughness Ra of at least 5 ?m; providing a dispersion of bioactive ceramic particles of particle size at most 10 ?m in a first solvent comprising a solvent for the polymer; coating at least the non-flat surface with the dispersion in at least one step; and rinsing the coated article with a second solvent being a non-solvent for the polymer to substantially remove the first solvent.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 13, 2022
    Inventors: Jens Christoph THIES, Ruud Jozef Regina Wilhelmus PETERS, Pieter J. EMANS, Jacob KOENEN
  • Patent number: 11400184
    Abstract: The disclosure relates to methods of making an osteoconductive polymer article for use as an orthopedic implant comprises steps of forming an article from a biocompatible, non-biodegradable polymer, the article comprising a non-flat surface with roughness Ra of at least 5 ?m; providing a dispersion of bioactive ceramic particles of particle size at most 10 ?m in a first solvent comprising a solvent for the polymer; coating at least the non-flat surface with the dispersion in at least one step; and rinsing the coated article with a second solvent being a non-solvent for the polymer to substantially remove the first solvent. Further disclosed is an osteoconductive polymer article for use as an orthopedic implant, which article is made from a biocompatible, non-biodegradable polymer and comprises a non-flat surface with roughness Ra of at least 5 ?m, wherein bioactive ceramic particles of particle size at most 10 ?m are partly embedded in the polymer at the surface of the article.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: August 2, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Jens Christoph Thies, Ruud Jozef Regina Wilhelmus Peters, Pieter J. Emans, Jacob Koenen
  • Patent number: 11389299
    Abstract: A prosthesis assembly (100) for orthopaedic implantation comprises a prosthesis body (110) and an attachment portion (112) coupled to the prosthesis body (110) for attaching the prosthesis assembly (100) to a bone by way of a bone anchor (120) or other fixating means. The attachment portion (112) comprises an opening (130) having a receiving portion (132) with a first cross-sectional transverse width and a retaining portion (134) extending from the receiving portion (132), the retaining portion (134) having a second cross-sectional transverse width, which is less than the first cross-sectional transverse width. A system comprising the prosthesis assembly (100) includes a bone anchor (120) having a fastening member (124) for engaging the opening (130) and a stem (122) for securing to the bone.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 19, 2022
    Assignee: ATRO Medical B.V.
    Inventors: Jacob Koenen, Edwin Norbertus Antonius Maria Daamen, Jan Hunik, Tony van Tienen
  • Publication number: 20200316259
    Abstract: The disclosure relates to methods of making an osteoconductive polymer article for use as an orthopedic implant comprises steps of forming an article from a biocompatible, non-biodegradable polymer, the article comprising a non-flat surface with roughness Ra of at least 5 ?m; providing a dispersion of bioactive ceramic particles of particle size at most 10 ?m in a first solvent comprising a solvent for the polymer; coating at least the non-flat surface with the dispersion in at least one step; and rinsing the coated article with a second solvent being a non-solvent for the polymer to substantially remove the first solvent. Further disclosed is an osteoconductive polymer article for use as an orthopedic implant, which article is made from a biocompatible, non-biodegradable polymer and comprises a non-flat surface with roughness Ra of at least 5 ?m, wherein bioactive ceramic particles of particle size at most 10 ?m are partly embedded in the polymer at the surface of the article.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 8, 2020
    Inventors: Jens Christoph THIES, Ruud Jozef Regina Wilhelmus PETERS, Pieter J. EMANS, Jacob KOENEN
  • Publication number: 20190343642
    Abstract: A meniscus prosthesis includes a core made of a first biocompatible, non-resorbable material having a first tensile modulus. The core includes an arc-shaped body having: a first end having a first through-hole; a second end having a second through-hole; a curved intermediate section connecting the first end and the second end; a first surface configured to face a first interior surface of the joint during use and a second surface configured to face a second interior surface of the joint during use, an inner edge and an outer edge. The core comprises a transverse cross-section in which the width is greater than the height along the length of the core. A cushioning material surrounds the intermediate section of the core, the cushioning material being made of a second biocompatible, non-resorbable material having a second tensile modulus, which is lower than a tensile modulus of the first material.
    Type: Application
    Filed: July 8, 2019
    Publication date: November 14, 2019
    Applicant: Atro Medical B.V.
    Inventors: Jacob Koenen, Edwin Daamen, Tony van Tienen, Pieter Buma
  • Publication number: 20170014237
    Abstract: The invention is directed to a meniscus prosthesis comprising an arc-shaped meniscus prosthesis body having a main portion (1) comprising a reinforcing part (2) and two end portions (1A, 1B) comprising fixation parts (2A, 2B), wherein the main portion (1) comprises a part made of a first biocompatible, non-resorbable material extending between the two end portions (1A, 1B), wherein the reinforcing part (2) and the fixation parts (2A, 2B) are made of a second biocompatible, non-resorbable material and wherein the reinforcing part (2) extends between the fixation parts (2A, 2B) and wherein the fixation parts (2A, 2B) have a through hole (3A, 3B), the first biocompatible, non-resorbable material has a tensile modulus of at most 100 MPa as determined by ISO 527-1 and the second biocompatible, non-resorbable material has a tensile modulus of at least 101 MPa as determined by ISO 527-1.
    Type: Application
    Filed: March 10, 2015
    Publication date: January 19, 2017
    Inventors: Jacob KOENEN, Edwin DAAMEN, Tony van TIENEN, Pieter BUMA
  • Patent number: 9452061
    Abstract: The invention is directed to a spinal fusion cage for implantation between two adjacent vertebrae, wherein the total cage has, under a load, a maximum compression that is higher than 0.05% of the original height of the spinal fusion cage and the maximum compression does not change the structural integrity of the cage.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: September 27, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Darren Donald Obrigkeit, Jacob Koenen, Detlef Olaf Alexander Schumann, Leo Smit
  • Patent number: 8206799
    Abstract: The invention relates to a stretched plastic tube obtainable from a polymer composition comprising a copolyester elastomer, and comprising two end-parts and an elongated part between the end-parts wherein at least one end-part is a stretched end-part obtained by mechanically stretching of at least a section of that end part, characterized in that the stretched end-part comprises an outer surface layer area consisting of a first thermoplastic polymer composition (A) comprising a first copolyester elastomer (A-1) and 0-0.2 wt. % carbon black relative to the total weight of the thermoplastic polymer composition (A). The invention also relates to a Plastic tube obtainable from a polymer composition comprising a copolyester elastomer, wherein the plastic tube is a plastic tube comprising: (i) an outer surface layer consisting of a first thermoplastic polymer composition (A) comprising a first copolyester elastomer (A-1) and 0-0.2 wt.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: June 26, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Lambert Van Lumig, Jacob Koenen, Dirk G. Blom, Paul W. J. Van Den Heuvel
  • Patent number: 8189335
    Abstract: Heat transport assemblies are provided with a first part plastic part and a second part. The heat transport assemblies have a first surface area on the first part in heat conductive contact with a second surface area on the second part, wherein the first surface area and the second surface area consist of a surface material having a heat conductivity of at least 50 W/m·K.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: May 29, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Robert H. C. Janssen, Jacob Koenen, Franciscus Van Vehmendahl
  • Publication number: 20120046750
    Abstract: The invention is directed to a spinal fusion cage for implantation between two adjacent vertebrae, wherein the total cage has, under a load, a maximum compression that is higher than 0.05% of the original height of the spinal fusion cage and the maximum compression does not change the structural integrity of the cage.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 23, 2012
    Applicant: DSM IP ASSETS B.V.
    Inventors: Darren Donald Obrigkeit, Jacob Koenen, Detlef Olaf Alexander Schumann, Leo Smit
  • Publication number: 20110177274
    Abstract: The invention relates to a stretched plastic tube obtainable from a polymer composition comprising a copolyester elastomer, and comprising two end-parts and an elongated part between the end-parts wherein at least one end-part is a stretched end-part obtained by mechanically stretching of at least a section of that end part, characterized in that the stretched end-part comprises an outer surface layer area consisting of a first thermoplastic polymer composition (A) comprising a first copolyester elastomer (A-1) and 0-0.2 wt. % carbon black relative to the total weight of the thermoplastic polymer composition (A). The invention also relates to a Plastic tube obtainable from a polymer composition comprising a copolyester elastomer, wherein the plastic tube is a plastic tube comprising: (i) an outer surface layer consisting of a first thermoplastic polymer composition (A) comprising a first copolyester elastomer (A-1) and 0-0.2 wt.
    Type: Application
    Filed: January 16, 2007
    Publication date: July 21, 2011
    Applicant: DSM IP ASSETS B.V.
    Inventors: Lambert Lumig Van, Jacob Koenen, Dirk G. Blom, Paul W.j. Heuvel Van Den
  • Publication number: 20100118495
    Abstract: The invention relates to a heat transport assembly comprising a first part being a plastic part and a second part, and having a first surface area on the first part in heat conductive contact with a second surface area on the second part, wherein the first surface area and the second surface area consist of a surface material having a heat conductivity of at least 50 W/m-K.
    Type: Application
    Filed: January 29, 2008
    Publication date: May 13, 2010
    Inventors: Robert H.C. Janssen, Jacob Koenen, Franciscus Van Vehmendahl
  • Publication number: 20100080969
    Abstract: The invention relates to a method for metallizing a component comprising a first part constituted of a polyester comprising thermoplastic composition first material, and a second part constituted by a polyamide comprising thermoplastic composition, wherein a metallizing seed layer is applied, the component is exposed to an discriminating etching liquid, and thereafter exposed to a metallizing environment The invention also relates to a metallized component obtainable by said method.
    Type: Application
    Filed: September 25, 2007
    Publication date: April 1, 2010
    Inventors: Jacob Koenen, Luc Elza Florent Leemans
  • Patent number: 7163029
    Abstract: A pressurized fluid conduit includes a mono-layer of a semi-crystalline thermoplastic material that has a hardness of between 50 and 65 Shore D and a modulus at 150° C. of at least 60 MPa. The semi-crystalline thermoplastic material may be used for making a mono-layered pressurized fluid conduit via an extrusion molding process, such as an extrusion blow-molding process.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: January 16, 2007
    Assignee: DSM IP Assets B.V.
    Inventor: Jacob Koenen
  • Publication number: 20060267261
    Abstract: The invention relates to a process for making a compression spring member comprising the steps of making a preform from a copolyetherester composition; submitting the preform to at least one compression cycle, comprising the steps of applying a force to compress the preform in one direction to an extent greater than 30% of its original size and releasing the force from the compressed preform; wherein a copolyetherester composition is applied that comprises 1) at least 50 mass % of at least one copolyetherester consisting essentially of polyester hard segments that are built up from repeating units derived from at least one alkylene diol and at least one aromatic dicarboxylic acid and soft segments derived from a poly(propylene oxide)diol; and 2) 0.01-2 mass % of a nucleating agent. This process of making compression spring members shows better consistency and reproducibility. A further advantage is that an annealing step can be significantly reduced in time, or even be omitted.
    Type: Application
    Filed: June 8, 2004
    Publication date: November 30, 2006
    Applicant: DSM IP ASSETS B.V.
    Inventors: Jacob Koenen, Ronald Lambi
  • Publication number: 20030024586
    Abstract: The invention relates to a pressurized fluid conduit comprising a mono-layer of a semi-crystalline thermoplastic material that has a hardness of between 50 and 65 Shore D and a modulus at 150° C. of at least 60 MPa. Advantages of such a conduit are simple manufacture, easy handling and assembling at for example room temperature, while still requirements regarding burst-pressure and deformation at elevated operating temperatures are fulfilled. Other important advantages include significant savings in material use and better vibration and noise damping.
    Type: Application
    Filed: June 14, 2002
    Publication date: February 6, 2003
    Inventor: Jacob Koenen
  • Patent number: 5434223
    Abstract: Block copolymers of nylon 4.6 are made by the solid phase polymerization of an alloy of nylons, including nylon 4.6, blended above the melting point of the nylons and then polymerized in particulate form under anhydrous conditions below the melting point of the nylons in the alloy. The block copolymers are characterized by their novel combination of properties which may include good melt strength, high melt viscosity, ductility (elongation), toughness (impact strength), good tensile strength and tensile modulus, high heat deflection temperatures, low crystallinity and high melting points.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: July 18, 1995
    Inventors: Howard A. Scheetz, Jacob Koenen