Patents Assigned to Italmatch Chemicals
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Publication number: 20150011748Abstract: A method is for the manufacture of aqueous solutions of alkali metal salt of carboxymethyl fructan. More specifically the method for the manufacture of aqueous solutions includes at least 20% by weight of alkali metal salt of carboxymethyl fructan having a degree of carboxymethyl substitution of at least 1.2.Type: ApplicationFiled: February 7, 2013Publication date: January 8, 2015Applicant: ITALMATCH CHEMICALS SPAInventors: Patrick Pierre Notté, Albert Firmin Devaux
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Publication number: 20150005416Abstract: The present invention relates to halogen-free flame retardant compositions essentially comprising polyamide polymers (preferred is polyamide 6), at least a hypophosporous acid metallic salt (preferred is aluminium hypophosphite), at least a nitrogen based flame retardant agent (preferably selected among melamine condensation products such as melam, melem, melon or their mixtures, and melamine cyanurate), at least an organic polyhydric compound and optionally further conventional components. Such compositions are highly flame retardant.Type: ApplicationFiled: September 28, 2011Publication date: January 1, 2015Applicant: ITALMATCH CHEMICALS S.p.A.,Inventor: Ugo Zucchelli
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Patent number: 8883711Abstract: The invention relates to a cleaning composition with improved stain removal. The alkaline composition contains a hydrolysable dispersing polymer which is selected from carboxylated fructans and one or more biodegradable aminocarboxylate chelating agents.Type: GrantFiled: May 19, 2011Date of Patent: November 11, 2014Assignee: Italmatch Chemicals SpAInventors: Isabelle Leonard, Valerie Kochowski, Genevieve Bonnechere-Delstanche, Olivier Henry
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Publication number: 20140303294Abstract: The invention relates to flame retarded extruded polystyrene foams with a very low halogen content in the final product, i.e. containing a very low content of hexabromocyclododecane or preferably hexabromocyclododecane free, and a process for their preparation. The invention also relates to their use in construction, as building thermal insulating materials, or in transportation.Type: ApplicationFiled: June 8, 2011Publication date: October 9, 2014Applicant: ITALMATCH CHEMICALS S.p.A.Inventor: Ugo Zucchelli
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Patent number: 8802891Abstract: A process for the manufacture of alkylamino alkylene phosphonic acids is disclosed. In detail, a specific phosphonate is reacted with an agent selected to yield an alkylamino moiety substituted by a radical selected from OH, OR?, NH2, NHR?, N(R?)2, NH, N, S, S—S and SH in aqueous alkaline medium having a pH of 8 or higher at a temperature of 0° C. or higher.Type: GrantFiled: December 11, 2007Date of Patent: August 12, 2014Assignee: Italmatch Chemicals SpAInventors: Patrick P. B. Notte, Jan H. J. Van Bree, Albert Devaux
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Patent number: 8178607Abstract: The present invention relates to a thermoplastic composition comprising at least aluminum hypophosphite (aluminum phosphinate), corresponding to the chemical formula Al(H2PO2)3 as halogen-free flame retardant agent, and at least a polymer based on polyamide. The flame retarded halogen-free thermoplastic molding compositions according to the invention is used to produce articles based on polyamide polymers with or without glass fiber reinforcement, which are flame retarded.Type: GrantFiled: January 7, 2004Date of Patent: May 15, 2012Assignee: Italmatch Chemicals S.p.A.Inventors: Silvestro Costanzi, Maurizio Leonardi
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Patent number: 7700680Abstract: The present invention relates to halogen-free flame retarded thermoplastic moulding compositions based on a polyester resin, a process for their preparation and halogen-free flame retarded corresponding articles. The composition according to the invention comprises at least from 0.1 to 30% by weight of aluminium hypophosphite as halogen free flame retardant additive, in case in addition to a mixture of other halogen free flame retardant additives and at least from 5 to 95% by weight of a polymer based on polyester, particularly a linear polyester resin.Type: GrantFiled: June 10, 2004Date of Patent: April 20, 2010Assignee: Italmatch Chemicals S.p.A.Inventors: Silvestro Costanzi, Maurizio Leonardi
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Patent number: 7619022Abstract: The present invention provides flame retardant thermoplastic moulding compositions comprising: A) from 65% to 99.5% by weight (with respect of the total weight of the final composition) of a polyolefinic polymer particularly selected among polypropylene polymers; B) from 0.1% to 30% by weight (with respect of the total weight of the final composition) of a synergic mixture of an hypophosphorous acid metal salt and halogenated organic compounds; C) from 0.5% to 10% by weight (with respect of the total weight of the final composition) of a plurality of selected additives consisting of processing aids, heat and process stabilizers, UV stabilizers, antidripping agents (PTFE—Polytetrafluoroethylene), pigments, mould releasing agents, nucleating agents; D) from 0% to 50% by weight (with respect of the total weight of the final composition) of an inorganic filler. The total of the percentages by weight of components A to D is 100%.Type: GrantFiled: July 22, 2005Date of Patent: November 17, 2009Assignee: Italmatch Chemicals S.p.A.Inventor: Silvestro Costanzi
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Publication number: 20080312117Abstract: A copolymer suitable for the use in or as a lubricant, which copolymer includes an ?-olefin and a di-ester of an ?,? ethylenically unsaturated dicarboxylic acid. More particularly, a high molecular weight lubricating oil base fluid or additive includes a copolymer of ?-olefins with chain lengths, for example from 12 to 18 carbon atoms, and a di-ester of an ?,? ethylenically unsaturated dicarboxylic acid, with a C3-C7 alkylic alcohol, for example n-butanol, as an esterifying component, which is compatible with other low polar lubricating oil base fluids.Type: ApplicationFiled: June 10, 2008Publication date: December 18, 2008Applicant: ITALMATCH CHEMICALS S.P.A.Inventors: Uwe Wallfahrer, Lorenzo Soldavini
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Publication number: 20080214715Abstract: The present invention provides flame retardant thermoplastic moulding compositions comprising: A) from 65% to 99.5% by weight (with respect of the total weight of the final composition) of a polyolefinic polymer particularly selected among polypropylene polymers; B) from 0.1% to 30% by weight (with respect of the total weight of the final composition) of a synergic mixture of an hypophosphorous acid metal salt and halogenated organic compounds; C) from 0.5% to 10% by weight (with respect of the total weight of the final composition) of a plurality of selected additives consisting of processing aids, heat and process stabilisers, UV stabilisers, antidripping agents (PTFE—Polytetrafluoroethylene), pigments, mould releasing agents, nucleating agents; D) from 0% to 50% by weight (with respect of the total weight of the final composition) of an inorganic filler. The total of the percentages by weight of components A to D is 100%.Type: ApplicationFiled: July 22, 2005Publication date: September 4, 2008Applicant: ITALMATCH CHEMICALS S.P.A.Inventor: Silvestro Costanzi
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Publication number: 20080090950Abstract: The present invention relates to halogen-free flame retarded thermoplastic moulding compositions based on a polyester resin, a process for their preparation and halogen-free flame retarded corresponding articles. The composition according to the invention comprises at least from 0,1 to 30% by weight of aluminium hypophosphite as halogen free flame retardant additive, in case in addition to a mixture of other halogen free flame retardant additives and at least from 5 to 95% by weight of a polymer based on polyester, particularly a linear polyester resin.Type: ApplicationFiled: June 10, 2004Publication date: April 17, 2008Applicant: Italmatch ChemicalsInventors: Silvestro Costanzi, Maurizio Leonardi
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Publication number: 20080033079Abstract: The present invention relates to a thermoplastic composition comprising at least aluminium hypophosphite (aluminium phosphinate), corresponding to the chemical formula Al(H2PO2)3 as halogen-free flame retardant agent, and at least a polymer based on polyamide. The flame retarded halogen-free thermoplastic moulding compositions according to the invention is used to produce articles based on polyamide polymers with or without glass fiber reinforcement, which are flame retarded.Type: ApplicationFiled: January 7, 2004Publication date: February 7, 2008Applicant: ITALMATCH CHEMICALS S.p.A.Inventors: Silvestro Costanzi, Maurizio Leonardi
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Publication number: 20070082995Abstract: The present invention relates to a thermoplastic halogen-free flame retardant composition comprising at least an hypophosphorous acid metal salts as halogen-free flame retardant agent, and at least an aromatic polycarbonate s resin and/or its blends. The flame retardant composition may in addition comprise additives and fillers. The invention also refers to moulded thermoplastic articles made by using the flame retardant composition.Type: ApplicationFiled: November 7, 2003Publication date: April 12, 2007Applicant: ITALMATCH CHEMICALS S.P.A.Inventors: Silvestro Costanzi, Maurizio Leonardi