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: 10227434Abstract: 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: GrantFiled: July 29, 2014Date of Patent: March 12, 2019Assignee: Evonik Degussa GmbHInventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Kerstin Weissenbach
-
Patent number: 10093757Abstract: 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: GrantFiled: May 28, 2013Date of Patent: October 9, 2018Assignee: EVONIK DEGUSSA GMBHInventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
-
Patent number: 10030084Abstract: 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: GrantFiled: July 29, 2014Date of Patent: July 24, 2018Assignee: EVONIK DEGUSSA GMBHInventors: Aristidis Ioannidis, Ioana-Elena Mihailescu, Bastian Bielawski, Helmut Mack, Kerstin Weissenbach
-
Publication number: 20160200852Abstract: 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: ApplicationFiled: July 29, 2014Publication date: July 14, 2016Applicant: EVONIK DEGUSSA GMBHInventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastlan BIELAWSKI, Kerstin WEISSENBACH
-
Publication number: 20160200843Abstract: 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: ApplicationFiled: July 29, 2014Publication date: July 14, 2016Inventors: Aristidis IOANNIDIS, Ioana-Elena MIHAILESCU, Bastian BIELAWSKI, Helmut MACK, Kerstin WEISSENBACH
-
Patent number: 9290641Abstract: 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: GrantFiled: May 25, 2010Date of Patent: March 22, 2016Assignee: Evonik Degussa GmbHInventors: Harald Herzog, Konrad Rockstein, Stipan Katusic, Aristidis Ioannidis
-
Patent number: 9273186Abstract: 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: GrantFiled: November 19, 2012Date of Patent: March 1, 2016Assignee: Evonik Degussa GmbHInventors: Burkhard Standke, Ioana-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
-
Patent number: 9108992Abstract: 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: GrantFiled: December 28, 2010Date of Patent: August 18, 2015Assignee: Evonik Degussa GmbHInventors: Kerstin Weiβenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz
-
Publication number: 20140309447Abstract: 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: ApplicationFiled: November 19, 2012Publication date: October 16, 2014Applicant: Evonik Degussa GmbHInventors: Burkhard Standke, Iona-Elena Mihailescu, Jaroslaw Monkiewicz, Sven Roth, Aristidis Ioannidis, Kerstin Weissenbach
-
Publication number: 20130253144Abstract: 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: ApplicationFiled: May 28, 2013Publication date: September 26, 2013Applicant: EVONIK DEGUSSA GMBHInventors: Kerstin WEISSENBACH, Aristidis IOANNIDIS, Bastian BIELAWSKI
-
Publication number: 20130037744Abstract: 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: ApplicationFiled: December 28, 2010Publication date: February 14, 2013Applicant: EVONIK DEGUSSA GmbHInventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski, Christian Springer, Jaroslaw Monkiewicz
-
Publication number: 20120080637Abstract: 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: ApplicationFiled: May 25, 2010Publication date: April 5, 2012Applicant: Evonik Degussa GmbhInventors: Harald Herzog, Konrad Rockstein, Stipan Katusic, Aristidis Ioannidis
-
Publication number: 20120065302Abstract: 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: ApplicationFiled: July 29, 2009Publication date: March 15, 2012Applicant: EVONIK DEGUSSA GmbHInventors: Kerstin Weissenbach, Aristidis Ioannidis, Doris E. Simoes
-
Publication number: 20110144278Abstract: 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: ApplicationFiled: July 9, 2009Publication date: June 16, 2011Applicant: Evonik Degussa GmbHInventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
-
Publication number: 20110144277Abstract: 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: ApplicationFiled: July 9, 2009Publication date: June 16, 2011Inventors: Kerstin Weissenbach, Aristidis Ioannidis, Bastian Bielawski
-
Publication number: 20080027161Abstract: 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: ApplicationFiled: December 17, 2004Publication date: January 31, 2008Applicant: Degussa AGInventors: Thomas Schlosser, Aristidis Ioannidis
-
Patent number: 6864323Abstract: 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: GrantFiled: August 22, 2002Date of Patent: March 8, 2005Assignee: Degussa AGInventors: Thomas Schlosser, Aristidis Ioannidis
-
Publication number: 20030134969Abstract: 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: ApplicationFiled: December 6, 2002Publication date: July 17, 2003Applicant: Degussa AGInventors: Thomas Schlosser, Helmut Mack, Aristidis Ioannidis
-
Publication number: 20030114604Abstract: 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 IType: ApplicationFiled: August 22, 2002Publication date: June 19, 2003Applicant: DEGUSA AGInventors: Thomas Schlosser, Aristidis Ioannidis