Patents by Inventor Nikolas Kaprinidis
Nikolas Kaprinidis 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: 20180022985Abstract: Method of inhibiting the swelling of clay in subterranean formations by introducing carrier fluid comprising at least one clay inhibitor into the formation, wherein at least one of the clay inhibitors is a cationic polymer comprising imidazolium groups having a high weight averageType: ApplicationFiled: December 7, 2015Publication date: January 25, 2018Inventors: Michael SIEMER, Jean-Pierre Berkan LINDNER, Shawn RIMASSA, Nikolas KAPRINIDIS
-
Publication number: 20140128523Abstract: Dislcosed are scratch resistant polypropylene molded parts comprising a) a polypropylene substrate and incorporated therein a combination of b) an alpha, beta-unsaturated carboxylic reagent functionalized olefin polymer or copolymer, c) a primary or secondary fatty acid amide and d) a nucleating agent selected from the group consisting of sodium benzoate, 2,2?-methylene-bis(4,6-di-tert-butylphenyl)phosphate, zinc glycerolate, calcium salt of 1,2-dicarboxylic acid cyclohexane and sodium salt of 1,2-dicarboxylic acid norbornane. Also disclosed is a method for providing scratch resistance to a polypropylene molded part by incorporating said additives. The polypropylene substrate is for instance polypropylene homopolymer or thermoplastic polyolefin (TPO). Component b) is for instance maleated polypropylene or the reaction product of an alpha-olefin and maleic anhydride. The fatty acid amide is for instance stearyl erucamide or oleyl palmitamide. The molded parts are suitable for automotive parts.Type: ApplicationFiled: January 7, 2014Publication date: May 8, 2014Applicant: BASF SEInventors: Hung Pham, Nikolas Kaprinidis, Ralph Dieter Maier, Johanne Wilson
-
Publication number: 20130303671Abstract: Disclosed are scratch resistant polypropylene molded parts comprising a) a polypropylene substrate and incorporated therein a combination of b) an alpha, beta-unsaturated carboxylic reagent functionalized olefin polymer or copolymer, c) a primary or secondary fatty acid amide and d) a nucleating agent selected from the group consisting of sodium benzoate, 2,2?-methylene-bis(4,6-di-tert-butylphenyl)phosphate, zinc glycerolate, calcium salt of 1,2-dicarboxylic acid cyclohexane and sodium salt of 1,2-dicarboxylic acid norbornane. Also disclosed is a method for providing scratch resistance to a polypropylene molded part by incorporating said additives. The polypropylene substrate is for instance polypropylene homopolymer or thermoplastic polyolefin (TPO). Component b) is for instance maleated polypropylene or the reaction product of an alpha-olefin and maleic anhydride. The fatty acid amide is for instance stearyl erucamide or oleyl palmitamide. The molded parts are suitable for automotive parts.Type: ApplicationFiled: July 3, 2013Publication date: November 14, 2013Applicant: BASF SEInventors: Hung Pham, Nikolas Kaprinidis, Ralph Dieter Maier, Johanne Wilson
-
Publication number: 20120259046Abstract: Disclosed are scratch resistant polypropylene molded parts comprising a) a polypropylene substrate and incorporated therein a combination of b) an alpha, beta-unsaturated carboxylic reagent functionalized olefin polymer or copolymer, c) a primary or secondary fatty acid amide and d) a nucleating agent selected from the group consisting of sodium benzoate, 2,2?-methylene-bis(4,6-di-tert-butylphenyl)phosphate, zinc glycerolate, calcium salt of 1,2-dicarboxylic acid cyclohexane and sodium salt of 1,2-dicarboxylic acid norbornane. Also disclosed is a method for providing scratch resistance to a polypropylene molded part by incorporating said additives. The polypropylene substrate is for instance polypropylene homopolymer or thermoplastic polyolefin (TPO). Component b) is for instance maleated polypropylene or the reaction product of an alpha-olefin and maleic anhydride. The fatty acid amide is for instance stearyl erucamide or oleyl palmitamide. The molded parts are suitable for automotive parts.Type: ApplicationFiled: May 21, 2012Publication date: October 11, 2012Inventors: Hung Pham, Nikolas Kaprinidis, Ralph Dieter Maier, Johanne Wilson
-
Patent number: 8183312Abstract: Disclosed are scratch resistant polypropylene molded parts comprising a) a polypropylene substrate and incorporated therein a combination of b) an alpha, beta-unsaturated carboxylic reagent functionalized olefin polymer or copolymer, c) a primary or secondary fatty acid amide and d) a nucleating agent selected from the group consisting of sodium benzoate, 2,2?-methylene-bis(4,6-di-tert-butylphenyl)phosphate, zinc glycerolate, calcium salt of 1,2-dicarboxylic acid cyclohexane and sodium salt of 1,2-dicarboxylic acid norbornane. Also disclosed is a method for providing scratch resistance to a polypropylene molded part by incorporating said additives. The polypropylene substrate is for instance polypropylene homopolymer or thermoplastic polyolefin (TPO). Component b) is for instance maleated polypropylene or the reaction product of an alpha-olefin and maleic anhydride. The fatty acid amide is for instance stearyl erucamide or oleyl palmitamide. The molded parts are suitable for automotive parts.Type: GrantFiled: May 18, 2010Date of Patent: May 22, 2012Assignee: BASF SEInventors: Hung Pham, Nikolas Kaprinidis, Ralph Dieter Maier, Johanne Wilson
-
Publication number: 20100317779Abstract: Disclosed are scratch resistant polypropylene molded parts comprising a) a polypropylene substrate and incorporated therein a combination of b) an alpha, beta-unsaturated carboxylic reagent functionalized olefin polymer or copolymer, c) a primary or secondary fatty acid amide and d) a nucleating agent selected from the group consisting of sodium benzoate, 2,2?-methylene-bis(4,6-di-tert-butylphenyl)phosphate, zinc glycerolate, calcium salt of 1,2-dicarboxylic acid cyclohexane and sodium salt of 1,2-dicarboxylic acid norbornane. Also disclosed is a method for providing scratch resistance to a polypropylene molded part by incorporating said additives. The polypropylene substrate is for instance polypropylene homopolymer or thermoplastic polyolefin (TPO). Component b) is for instance maleated polypropylene or the reaction product of an alpha-olefin and maleic anhydride. The fatty acid amide is for instance stearyl erucamide or oleyl palmitamide. The molded parts are suitable for automotive parts.Type: ApplicationFiled: May 18, 2010Publication date: December 16, 2010Inventors: Hung Pham, Nikolas Kaprinidis, Ralph Dieter Maier, Johanne Wilson
-
Patent number: 7678852Abstract: Polymer compositions are afforded flame retardancy with the incorporation of a combination of melamine polyphosphate and poly(m-phenylene methylphosphonate). The polymer compositions are for instance epoxy resins for prepegs, laminates and printed circuit boards. The epoxy resins are for example for coating electronic parts. The polymer compositions are also thermoplastics such as polyolefins or polystyrenics, useful as fibers, films or molded parts. The melamine polyphosphate may be of a fine particle size.Type: GrantFiled: June 12, 2008Date of Patent: March 16, 2010Assignee: Ciba CorporationInventor: Nikolas Kaprinidis
-
Publication number: 20090082494Abstract: Polymer compositions are afforded flame retardancy with the incorporation of a combination of melamine polyphosphate and poly(m-phenylene methylphosphonate). The polymer compositions are for instance epoxy resins for prepegs, laminates and printed circuit boards. The epoxy resins are for example for coating electronic parts. The polymer compositions are also thermoplastics such as polyolefins or polystyrenics, useful as fibers, films or molded parts. The melamine polyphosphate may be of a fine particle size.Type: ApplicationFiled: June 12, 2008Publication date: March 26, 2009Inventor: Nikolas Kaprinidis
-
Patent number: 7323502Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one compound selected from the group consisting of the (a) sterically hindered nitroxyl stabilizers, (b) sterically hindered hydroxylamine stabilizers and (c) sterically hindered alkoxyamine stabilizers and (ii) at least one phosphazene flame retardant. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.Type: GrantFiled: February 27, 2003Date of Patent: January 29, 2008Assignee: Ciba Specialty Chemicals CorporationInventor: Nikolas Kaprinidis
-
Patent number: 7230042Abstract: The instant invention pertains to a thermoplastic organic polymer containing a conventional flame retardant and a hydroxylamine ester, in particular a tetraalkyl piperidine hydroxylamine ester. Further aspects of the invention are the use of hydroxylamine esters as flame retardants and a method for improving flame retardancy of a thermoplastic organic polymer.Type: GrantFiled: April 10, 2003Date of Patent: June 12, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Michael Roth, Dirk Simon, Grant Leslie, Peter Nesvadba, Roswell Easton King, Nikolas Kaprinidis
-
Publication number: 20070111010Abstract: The present invention is directed to prepregs, laminates and printed circuit boards comprising fine particle size melamine cyanurate or a mixture of fine particle size melamine cyanurate and fine particle size melamine polyphosphate as a flame retardant. The present prepregs, laminates and printed circuit boards exhibit excellent flame retardancy as measured by UL 94 standards, low dielectric constant, good electrical, thermal and mechanical properties as well as good machinability, low density and a uniform appearance. The prepregs, laminates and printed circuit boards advantageously also contain certain phosphinate and/or diphosphinate flame retardants. The compositions are also advantageously free of halogen and antimony compounds.Type: ApplicationFiled: November 9, 2006Publication date: May 17, 2007Inventor: Nikolas Kaprinidis
-
Patent number: 7214729Abstract: Disclosed is a flame retardant lighting assembly comprising thermoplastic insulation, plugs and sockets. The thermoplastic resin is for example polypropylene homopolymer and comprises a synergistic combination of an N-alkoxyoxy hindered amine and a conventional organohalogen flame retardant. The addition of low levels of acid scavengers such as hydrotalcites is advantageous.Type: GrantFiled: September 30, 2003Date of Patent: May 8, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Nikolas Kaprinidis, Nicola Lelli
-
Patent number: 7138448Abstract: Organic polymer substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a mixture of (i) at least one melamine based flame retardant and (ii) at least one flame retardant selected from the group consisting of the organohalogen and phosphorus containing flame retardants. Further optional flame retardants include antimony compounds and sterically hindered amines.Type: GrantFiled: October 21, 2003Date of Patent: November 21, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Nikolas Kaprinidis, Nicola Lelli, Rene Kierkels
-
Patent number: 7109260Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one sterically hindered amine stabilizer, (ii) at least one conventional flame retardant selected from the group consisting of the organohalogen, phosphorus containing, isocyanurate and melamine based flame retardants and (iii) at least one acid scavenger. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties. Polyolefin molded articles are stabilized against light, heat and oxygen and made flame retardant with the incorporation of at least one sterically hindered amine and at least one conventional flame retardant, while allowing normally high levels of flame-retardant fillers to be greatly reduced or eliminated.Type: GrantFiled: September 30, 2003Date of Patent: September 19, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Nikolas Kaprinidis, Nicola Lelli
-
Publication number: 20060197069Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one low molecular weight sterically hindered alkoxyamine stabilizer, (ii) at least one high molecular weight sterically hindered alkoxyamine stabilizer and (iii) at least one conventional flame retardant selected from the group consisting of the organohalogen, phosphorus containing and melamine based flame retardants. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties. Polyolefin molded articles are stabilized against light, heat and oxygen and made flame retardant with the incorporation of at least one sterically hindered alkoxyamine and at least one conventional flame retardant, while allowing normally high levels of flame-retardant fillers to be greatly reduced or eliminated.Type: ApplicationFiled: April 4, 2006Publication date: September 7, 2006Inventors: Gerald Capocci, Nicola Lelli, Juerg Zingg, Nikolas Kaprinidis, Roswell King
-
Patent number: 7084197Abstract: Polymer compositions comprising a polymeric substrate and an effective stabilizing amount of a synergistic mixture of a nano-scaled filler and at least one additive selected from the group consisting of the hindered amine light stabilizers are effectively stabilized against the deleterious effects of oxidative, thermal or light-induced degradation.Type: GrantFiled: June 20, 2002Date of Patent: August 1, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Hui Chin, Peter Shelsey Solera, Douglas Wayne Horsey, Nikolas Kaprinidis
-
Publication number: 20050203222Abstract: The instant invention pertains to a thermoplastic organic polymer containing a conventional flame retardant and a hydroxylamine ester, in particular a tetraalkyl piperidine hydroxylamine ester. Further aspects of the invention are the use of hydroxylamine esters as flame retardants and a method for improving flame retardancy of a thermoplastic organic polymer.Type: ApplicationFiled: April 10, 2003Publication date: September 15, 2005Inventors: Michael Roth, Dirk Simon, Grant Leslie, Peter Nesvadba, Roswell King, Nikolas Kaprinidis
-
Publication number: 20050004294Abstract: Polymer compositions comprising a polymeric substrate and an effective stabilizing amount of a synergistic mixture of a nano-scaled filler and at least one additive selected from the group consisting of the hindered amine light stabilizers are effectively stabilized against the deleterious effects of oxidative, thermal or light-induced degradation.Type: ApplicationFiled: June 20, 2002Publication date: January 6, 2005Inventors: Hui Chin, Peter Solera, Douglas Horsey, Nikolas Kaprinidis, Eugene Sitzmann
-
Publication number: 20040198875Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i.) a sterically hindered amine of the nitroxyl, hydroxylamine, alkoxyamine or hydroxyalkoxyamine class, and (ii.) a fluorinated polyolefin. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.Type: ApplicationFiled: January 29, 2004Publication date: October 7, 2004Inventors: Nikolas Kaprinidis, Douglas Wayne Horsey
-
Publication number: 20040138351Abstract: Organic polymer substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a mixture of (i) at least one melamine based flame retardant and (ii) at least one flame retardant selected from the group consisting of the organohalogen and phosphorus containing flame retardants. Further optional flame retardants include antimony compounds and sterically hindered amines.Type: ApplicationFiled: October 21, 2003Publication date: July 15, 2004Inventors: Nikolas Kaprinidis, Nicola Lelli, Rene Kierkels