Patents by Inventor Franz Ruemer

Franz Ruemer 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: 20220227965
    Abstract: The present invention relates to a pipe which comprises (i) a peroxide-crosslinked polyethylene, and (ii) a sterically hindered amine which comprises the following repeating unit of formula (I).
    Type: Application
    Filed: June 16, 2020
    Publication date: July 21, 2022
    Applicant: BOREALIS AG
    Inventors: Franz RUEMER, Reinhold GARD, Stefan DRECKOETTER
  • Publication number: 20220162430
    Abstract: Composition comprising a heterophasic propylene copolymer with low melt flow rate and rather low amount of xylene cold solubles and a recycled polymer composition being rich in polypropylene.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 26, 2022
    Inventors: Franz Ruemer, Luca Boragno, Stefan Schiesser, Guenter Dreiling, Christian Hollsten, Siegfried Liedauer, Andrei Ollikainen, Thierry Pezard
  • Patent number: 10889666
    Abstract: The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190° C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 12, 2021
    Assignee: BOREALIS AG
    Inventors: Franz Ruemer, Carl-Gustav Ek, Mattias Bergqvist
  • Publication number: 20190233626
    Abstract: The invention is related to a pipe produced by a reactive modification of a recycled polyethylene in the presence of a free radical generator. Further, the present invention is also directed to a process in a controlled manner for producing pipes from modified polyethylene recyclates having broader MFR range.
    Type: Application
    Filed: June 21, 2017
    Publication date: August 1, 2019
    Inventors: Franz Ruemer, Carl-Gustav Ek
  • Publication number: 20190177448
    Abstract: The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190° C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.
    Type: Application
    Filed: May 23, 2017
    Publication date: June 13, 2019
    Inventors: Franz Ruemer, Carl-Gustav Ek, Mattias Bergqvist
  • Patent number: 10308798
    Abstract: The invention is related to a polyethylene composition characterized in that it comprises a base resin and an inorganic mineral filler which is present in the composition in an amount of 1 to 50 wt % in respect to the weight of composition, wherein said base resin comprises: a) a first crosslinked polyethylene (PEX) having a gel content (measured according to ASTM D 2765:2006) in the range of 5% to 80% in respect to the weight of crosslinked polyethylene (PEX), said crosslinked polyethylene (PEX) being obtained from recycled wastes and b) a second polyethylene (PE) selected from virgin polyethylene and recycled polyethylene, or mixtures thereof. The invention is further related to a process for production of said polyethylene composition, and use of the polyethylene composition.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: June 4, 2019
    Assignee: BOREALIS AG
    Inventors: Carl-Gustaf Ek, Asa Wannerskog, Stefan Rieder, Franz Ruemer
  • Publication number: 20180327583
    Abstract: The invention is related to a polyethylene composition characterized in that it comprises a base resin and an inorganic mineral filler which is present in the composition in an amount of 1 to 50 wt % in respect to the weight of composition, wherein said base resin comprises: a) a first crosslinked polyethylene (PEX) having a gel content (measured according to ASTM D 2765:2006) in the range of 5% to 80% in respect to the weight of crosslinked polyethylene (PEX), said crosslinked polyethylene (PEX) being obtained from recycled wastes and b) a second polyethylene (PE) selected from virgin polyethylene and recycled polyethylene, or mixtures thereof. The invention is further related to a process for production of said polyethylene composition, and use of the polyethylene composition.
    Type: Application
    Filed: December 18, 2015
    Publication date: November 15, 2018
    Inventors: Carl-Gustaf Ek, Asa Wannerskog, Stefan Rieder, Franz Ruemer
  • Patent number: 8916250
    Abstract: Polypropylene composition comprising: a propylene homopolymer (A), a platelet-like inorganic filler (B) having optionally ?-nucleating activity and a ?-nucleating agent (C), wherein the propylene composition and/or the propylene homopolymer has (have) a polydispersity index (PI) of at least 4.0.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: December 23, 2014
    Assignee: Borealis AG
    Inventors: Klaus Bernreitner, Elisabeth Hebesberger, Franz Ruemer
  • Patent number: 8790761
    Abstract: The present invention concerns a propylene copolymer composition, a molded article comprising the composition and the use of the propylene copolymer composition for preparing molded articles, preferably pipes.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: July 29, 2014
    Assignee: Borealis Technology OY
    Inventors: Juergen Emig, Karl Ebner, Franz Ruemer
  • Patent number: 8586163
    Abstract: Heterophasic propylene copolymer (HECO) comprising wherein the heterophasic propylene copolymer (HECO) is ?-nucleated and the elastomeric phase has an intrinsic viscosity measured in tetraline at 135° C. of equal or below 4.0 dl/g.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: November 19, 2013
    Assignee: Borealis Technology Oy
    Inventors: Bo Malm, Klaus Bernreitner, Franz Ruemer
  • Patent number: 8568845
    Abstract: The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: October 29, 2013
    Assignee: Borealis AG
    Inventors: Bo Malm, Franz Ruemer, Andreas Wolf, Tua Sundholm
  • Patent number: 8461267
    Abstract: The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % ?-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are ?-nucleated propylene polymers, whereby the ?-nucleated propylene homopolymers have an Ir??0.98 and the values for tensile modulus and Charpy impact strength as specified herein. The ?-nucleated propylene block copolymers are polymers having an IR? of the propylene homopolymer block of ?0.98 and the values for tensile modulus and Charpy impact strength as also specified herein. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: June 11, 2013
    Inventors: James McGoldrick, Franz Ruemer, Stefan Schiesser, Siegfried Liedauer
  • Patent number: 8383707
    Abstract: The invention relates to a colored ?-nucleated polypropylene composition having a high content of ?-modification, wherein the polypropylene composition comprises at least one ?-nucleating agent and an inorganic blue pigment and an inorganic yellow pigment.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: February 26, 2013
    Assignee: Borealis Technology Oy
    Inventor: Franz Ruemer
  • Publication number: 20120302680
    Abstract: The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % ?-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are ?-nucleated propylene polymers, whereby the ?-nucleated propylene homopolymers have an Ir??0.98 and the values for tensile modulus and Charpy impact strength as specified herein. The ?-nucleated propylene block copolymers are polymers having an IR? of the propylene homopolymer block of ?0.98 and the values for tensile modulus and Charpy impact strength as also specified herein. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like.
    Type: Application
    Filed: May 22, 2012
    Publication date: November 29, 2012
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: James McGoldrick, Franz Ruemer, Stefan Schiesser, Siegfried Liedauer
  • Patent number: 8318884
    Abstract: The invention relates to a novel process for producing coloured polypropylene compositions having a high content of ?-modification, wherein polypropylene is melt blended with at least one inorganic pigment and at least one ?-nucleating agent, wherein a1) polypropylene is melt blended with at least one inorganic pigment or with a first concentrate comprising the at least one inorganic pigment to obtain a coloured polypropylene and a2) the coloured polypropylene is melt blended with at least one ?-nucleating agent or with a second concentrate comprising the at least one ?-nucleating agent to obtain the coloured ?-nucleated polypropylene composition or b1) polypropylene is melt blended with at least one ?-nucleating agent or with a second concentrate comprising the at least one ?-nucleating agent to obtain a ?-nucleated polypropylene and b2) the ?-nucleated polypropylene is melt blended with at least one inorganic pigment or with a first concentrate comprising the at least one inorganic pigment to obtain the col
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: November 27, 2012
    Assignee: Borealis Technology Oy
    Inventor: Franz Ruemer
  • Patent number: 8304049
    Abstract: Polypropylene composition comprising a propylene homopolymer (A) and a random propylene-butene copolymer (B) or a random propylene-ethylene copolymer (B?) wherein the polypropylene composition is ?-nucleated.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: November 6, 2012
    Assignee: Borealis Technology Oy
    Inventors: Doris Machl, Bo Malm, Franz Ruemer, Klaus Bernreitner
  • Publication number: 20110200775
    Abstract: Polypropylene composition comprising: a propylene homopolymer (A), a platelet-like inorganic filler (B) having optionally ?-nucleating activity and a ?-nucleating agent (C), wherein the propylene composition and/or the propylene homopolymer has (have) a polydispersity index (PI) of at least 4.0.
    Type: Application
    Filed: September 29, 2009
    Publication date: August 18, 2011
    Applicant: Borealis AG
    Inventors: Klaus Bernreitner, Elisabeth Hebesberger, Franz Ruemer
  • Publication number: 20110151161
    Abstract: The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.
    Type: Application
    Filed: July 7, 2009
    Publication date: June 23, 2011
    Applicant: Borealis AG
    Inventors: Bo Malm, Franz Ruemer, Andreas Wolf, Tua Sundholm
  • Publication number: 20110008559
    Abstract: The present invention relates to a polymer composition, comprising—a polyolefin, —a stericallyhindered phenol of the following formula (I), wherein the groups X, which can be the same or different, have the following formula (II), wherein R1 and R4, which can be the same or different, are an alkyl group having from 1 to 8 carbon atoms; R2, R3, R5, and R6, which can be the same or different, are hydrogen or an alkyl group having from 1 to 8 carbon atoms, —a hydrotalcite and/or bis(2,4-dicumylpheny)pentaerythritol diphosphite.
    Type: Application
    Filed: January 28, 2009
    Publication date: January 13, 2011
    Inventor: Franz Ruemer
  • Publication number: 20100305246
    Abstract: The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % ?-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are ?-nucleated propylene polymers, whereby the ?-nucleated propylene homopolymers have an IR??0.98, a tensile modulus ?1500 MPa at +23° C. and a Charpy impact strength, ?3 kJ/m2 at ?20° C. using notched test specimens, and the ?-nucleated propylene block copolymers are polymers having an IR? of the propylene homopolymer block of ?0.98, a tensile modulus ?1100 Mpa at +23° C. and a Charpy impact strength of ?6 kJ/m2 at ?20° C. using notched test specimens.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 2, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: James MCGOLDRICK, Franz RUEMER, Stefan SCHIESSER, Siegfried LIEDAUER