Patents by Inventor Aristidis Ioannidis

Aristidis Ioannidis 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: 10227434
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of caprylic acid (H3C(CH2)6COOH), (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from this list: —CH2—, —(CH2)2—, —(CH2)3— and C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 12, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Kerstin Weissenbach
  • Patent number: 10093757
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: October 9, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Patent number: 10030084
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of 2-ethyl hexanoic acid [H3C(CH2)3CH(C2H5)COOH], (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from the following list: —CH2—, —(CH2)2—, —(CH2)3— and —C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: July 24, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Helmut Mack, Kerstin Weissenbach
  • Publication number: 20160200852
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of caprylic acid (H3C(CH2)6COOH), (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C?C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from this list: —CH2—, —(CH2)2—, —(CH2)3— and C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Application
    Filed: July 29, 2014
    Publication date: July 14, 2016
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastlan BIELAWSKI, Kerstin WEISSENBACH
  • Publication number: 20160200843
    Abstract: The invention relates to a composition for use in a Monosil process for the crosslinking of thermoplastic polyolefins which comprises (i) from 5 to 60% by weight content of 2-ethyl hexanoic acid [H3C(CH2)3CH(C2H5)COOH], (ii) content of at least one monounsaturated organofunctional alkoxysilane of the general formula I A-SiR2x(OR1)3-x ??(I), where R1 is mutually independently a linear or branched hydrocarbon moiety having from 1 to 4 C atoms, R2 is methyl and x is 0 or 1 and A is a monovalent olefin group of the formula (R3)2C=C(R3)-Mk-, where k is 0 or 1, in which groups R3 are identical or different and R3 is a hydrogen atom or a methyl group and the group M is a group from the following list: —CH2—, —(CH2)2—, —(CH2)3— and —C(O)O—(CH2)3—, (iii) content of at least one free-radical generator and (iv) optionally content of at least one other component, where the entirety of all components (i) to (iv) gives 100% by weight.
    Type: Application
    Filed: July 29, 2014
    Publication date: July 14, 2016
    Inventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastian BIELAWSKI, Helmut MACK, Kerstin WEISSENBACH
  • Patent number: 9290641
    Abstract: Provided is a composite material which is in pellet form and which has particles with a core-shell structure, where the core of the particles has one or more magnetic materials, and the shell is made of silicon dioxide, and the pellet has one or more crosslinkable polyethylene and/or polyethylene-containing copolymers. Also provided is a process for crosslinking polyethylenes, by mixing the composite material, one or more free radical initiators, and at least one polyethylene, and heating the mixture inductively.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: March 22, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Harald Herzog, Konrad Rockstein, Stipan Katusic, Aristidis Ioannidis
  • Patent number: 9273186
    Abstract: The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetra alkoxysilane, at most comprising an olefinic group on the silicon atom and which has a reduced chloride content and a weight average molecular mass (Mw) of more than 315 g/mol.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: March 1, 2016
    Assignee: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Ioana-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
  • Patent number: 9108992
    Abstract: The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: August 18, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Kerstin Weiβenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz
  • Publication number: 20140309447
    Abstract: The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetra alkoxysilane, at most comprising an olefinic group on the silicon atom and which has a reduced chloride content and a weight average molecular mass (Mw) of more than 315 g/mol.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 16, 2014
    Applicant: Evonik Degussa GmbH
    Inventors: Burkhard Standke, Iona-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
  • Publication number: 20130253144
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Application
    Filed: May 28, 2013
    Publication date: September 26, 2013
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Kerstin WEISSENBACH, Aristidis IOANNIDIS, Bastian BIELAWSKI
  • Publication number: 20130037744
    Abstract: The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.
    Type: Application
    Filed: December 28, 2010
    Publication date: February 14, 2013
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz
  • Publication number: 20120080637
    Abstract: Composite material which is in pellet form and which comprises particles with a core-shell structure, where the core of the particles comprises one or more magnetic materials, and the shell comprises silicon dioxide, and which comprises a polyethylene crosslinkable in the presence of a heat-activatable free-radical initiator and/or polyethylene-containing copolymers. Process for the crosslinking of polyethylenes, by mixing the composite material, one or more heat-activatable free-radical initiator(s) and at least one polyethylene, and heating the mixture inductively.
    Type: Application
    Filed: May 25, 2010
    Publication date: April 5, 2012
    Applicant: Evonik Degussa Gmbh
    Inventors: Harald Herzog, Konrad Rockstein, Stipan Katusic, Aristidis Ioannidis
  • Publication number: 20120065302
    Abstract: A composite of a lignocellulosic material and a plastic is obtained by grafting an organosilane to the plastic, to obtain a grafted plastic; and compounding the grafted plastic with the lignocellulosic material, to obtain the composite.
    Type: Application
    Filed: July 29, 2009
    Publication date: March 15, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Doris E. Simoes
  • Publication number: 20110144278
    Abstract: The invention relates to a composition of an organofunctional silane compound, particularly of a mono-unsaturated silane compound, and of an organic acid or a precursor compound which releases said organic acid, and to a method for the production of polymer compounds such as granulates and/or finished products from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymer utilizing the composition, the organic acid, or the precursor compound which releases said organic acid. The invention also relates to the produced polymers, filled plastics such as, for example, granulates, finished products, molded bodies and/or articles such as pipes or cables. In addition, the invention relates to a kit containing the composition.
    Type: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Applicant: Evonik Degussa GmbH
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Publication number: 20110144277
    Abstract: The invention relates to the use of a silicon-containing precursor compound of an organic acid, particularly an olefinic silicon-containing precursor compound of an organic acid and/or of a tetracarboxyl silane, for the production of unfilled and/or filled polymer compounds, polymers, or filled plastics, such as granules or finished products, made from thermoplastic base polymers and/or monomers and/or prepolymers of the thermoplastic base polymers. A finished product is an item, such as a molded body, particularly a cable, hose, or pipe. The invention further relates to a master batch comprising the silicon-containing precursor compound.
    Type: Application
    Filed: July 9, 2009
    Publication date: June 16, 2011
    Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
  • Publication number: 20080027161
    Abstract: The present invention relates to highly filled polyolefin compounds, the preparation of which uses maleic-anhydride-modified polyolefin and at least one amino-functional silicon compound, and to a process for their preparation, and to their use.
    Type: Application
    Filed: December 17, 2004
    Publication date: January 31, 2008
    Applicant: Degussa AG
    Inventors: Thomas Schlosser, Aristidis Ioannidis
  • Patent number: 6864323
    Abstract: A composition containing (i) at least one silicon-containing compound, (ii) at least one peroxidic free-radical initiator, and (iii) at least one conjugated hydrocarbon and/or at least one organofunctional silane of the general formula I: R—Xn—C(R)?C(R)—C(R)?C(R)—Xn—Si(R1)m(OR2)(3-m)??(I), may be used in the preparation of grafted and/or crosslinked polymers, or of filled plastics, in order to improve scorch performance. Processes for preparing polymers or preparing plastics, and polymers and plastics which are obtainable via the Sioplas process or via the Monosil process, and products produced from them can utilize the composition.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: March 8, 2005
    Assignee: Degussa AG
    Inventors: Thomas Schlosser, Aristidis Ioannidis
  • Publication number: 20030134969
    Abstract: Compositions comprising at least one liquid or carrier-bound, unsaturated organosilane, at least one free-radical generator (FRG), an optional crosslinking catalyst, a thermoplastic base polymer and a reinforcing, extending, or flame-retardant mineral filler provide moisture-crosslinked, filled cable compounds having superior properties compared to conventional cable compounds.
    Type: Application
    Filed: December 6, 2002
    Publication date: July 17, 2003
    Applicant: Degussa AG
    Inventors: Thomas Schlosser, Helmut Mack, Aristidis Ioannidis
  • Publication number: 20030114604
    Abstract: A composition containing (i) at least one silicon-containing compound, (ii) at least one peroxidic free-radical initiator, and (iii) at least one conjugated hydrocarbon and/or at least one organofunctional silane of the general formula I
    Type: Application
    Filed: August 22, 2002
    Publication date: June 19, 2003
    Applicant: DEGUSA AG
    Inventors: Thomas Schlosser, Aristidis Ioannidis