Patents Assigned to Bluestar Silicones France Sas
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Patent number: 11730876Abstract: A curable composition apportioned between at least one Part A and at least one Part B, the Parts sealed within barrier means preventing contamination, the at least one Part A comprising: (i) one or more alkenyl-group containing prepolymers having at least one alkenyl group or moiety per molecule, and the at least one Part B comprising: (ii) one or more SiH-containing prepolymers having at least one Si—H unit per molecule; the composition additionally comprising: (iii) a catalyst for curing by addition of alkenyl-containing prepolymer (i) to SiH-containing prepolymer (ii), wherein prepolymer (ii) is substantially absent from Part A and prepolymer (i) is substantially absent from Part B, methods for preparing the composition, methods for sterilisation thereof, medical and non-medical use thereof, a device incorporating the composition, and a precursor therefor including its sterilisable precursor composition, in particular a terminally sterilisable or terminally sterile composition for medical use, particularlType: GrantFiled: December 5, 2019Date of Patent: August 22, 2023Assignees: Smith & Nephew PLC, Bluestar Silicones France SASInventors: Marcus Damian Phillips, Delphine Blanc
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Patent number: 10537657Abstract: A curable composition apportioned between at least one Part A and at least one Part B, the Parts sealed within barrier means preventing contamination, the at least one Part A comprising: (i) one or more alkenyl-group containing prepolymers having at least one alkenyl group or moiety per molecule, and the at least one Part B comprising: (ii) one or more SiH-containing prepolymers having at least one Si—H unit per molecule; the composition additionally comprising: (iii) a catalyst for curing by addition of alkenyl-containing prepolymer (i) to SiH-containing prepolymer (ii), wherein prepolymer (ii) is substantially absent from Part A and prepolymer (i) is substantially absent from Part B, methods for preparing the composition, methods for sterilisation thereof, medical and non-medical use thereof, a device incorporating the composition, and a precursor therefor including its sterilisable precursor composition, in particular a terminally sterilisable or terminally sterile composition for medical use, particularlyType: GrantFiled: November 25, 2011Date of Patent: January 21, 2020Assignees: Smith & Nephew PLC, Bluestar Silicones France SASInventors: Marcus Damian Phillips, Delphine Blanc
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Patent number: 10369250Abstract: A curable composition apportioned between at least one Part A and at least one Part B, the Parts sealed within barrier means preventing contamination, the at least one Part A comprising: (i) one or more alkenyl-group containing prepolymers having at least one alkenyl group or moiety per molecule, and the at least one Part B comprising: (ii) one or more SiH-containing prepolymers having at least one Si—H unit per molecule; the composition additionally comprising: (iii) a catalyst for curing by addition of alkenyl-containing prepolymer (i) to SiH-containing prepolymer (ii), wherein prepolymer (ii) is substantially absent from Part A and prepolymer (i) is substantially absent from Part B, methods for preparing the composition, methods for sterilisation thereof, medical and non-medical use thereof, a device incorporating the composition, and a precursor therefor including its sterilisable precursor composition, in particular a terminally sterilisable or terminally sterile composition for medical use, particularlyType: GrantFiled: November 25, 2011Date of Patent: August 6, 2019Assignees: Smith & Nephew PLC, Bluestar Silicones France SASInventors: Marcus Damian Phillips, Delphine Blanc
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Patent number: 9938304Abstract: A metal complex including at least one metal atom chosen from the metals of Groups 8, 9 and 10 of the Periodic Table of the Elements and one or more ligands, wherein at least one ligand includes a cyclic silylene structure and a Lewis base which donates an electron pair to the silicon atom of the cyclic silylene structure.Type: GrantFiled: July 11, 2014Date of Patent: April 10, 2018Assignees: BLUESTAR SILICONES FRANCE SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRSInventors: Antoine Baceiredo, Tsuyoshi Kato, Ricardo Rodriguez, Amparo Prades, Sébastien Marrot, Laurent Saint-Jalmes
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Patent number: 9834648Abstract: The present invention relates to a hardenable silicone composition including an irradiation-activated system for temporarily inhibiting the hydrosilylation reaction. Said system includes at least one inhibitor selected from among ?-acetylenic alcohols, ?-??-acetylenic diesters, conjugated ene-yne compounds, ?-acetylenic ketones, acrylonitriles, maleates, fumarates, the mixture thereof, at least one photoinitiator, and tris(trimethylsilyl)silane (TTMSS). The invention also relates to a method for preparing a silicone coating and hard elastomer materials provided comprising said silicone composition.Type: GrantFiled: December 15, 2014Date of Patent: December 5, 2017Assignee: BLUESTAR SILICONES FRANCE SASInventors: Emmanuel Pouget, Guillaume Pibre, Sebastien Marrot
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Patent number: 9828470Abstract: The invention concerns compositions that can be cured in the presence of water or atmospheric moisture comprising at least one polyorganosiloxane having one or a plurality of condensable group(s) or hydrolysable and condensable group(s) and at least one compound capable of catalyzing the condensation reaction of the condensable or hydrolysable and condensable groups of the polyorganosiloxane. This compound is a heterometallic complex of which the chemical formula comprises at least two different metal atoms M and M?, M being an atom chosen from the group consisting of the atoms of columns 2 and 13 of the periodic table and M? being an atom chose from the group consisting of the atoms of column 4 of the periodic table, and at least one alkoxide or chelating ligand.Type: GrantFiled: December 3, 2014Date of Patent: November 28, 2017Assignees: BLUESTAR SILICONES FRANCE SAS, UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Vincent Monteil, Roger Spitz, Aurelie Mondiere, Tania Ireland, Anne Seggio
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Publication number: 20170313823Abstract: A crosslinked silicone material Y obtained by heating to a temperature of between 70 and 200° C., a crosslinkable composition X including an organopolysiloxane compound A containing, per molecule, at least two C2-C6 alkenyl radicals bonded to silicon atoms; an organohydrogenopolysiloxane compound B containing, per molecule, at least two hydrogen atoms bonded to an identical or different silicon atom; a catalyst C of formula [Ni(L1)2] where Ni represents nickel at degree of oxidation II; L1 which may be identical or different, represents a ?-dicarbonylato anion or the enolate anion of a ?-dicarbonylated compound; optionally an adhesion promoter D; and optionally a charge E.Type: ApplicationFiled: November 6, 2015Publication date: November 2, 2017Applicants: Bluestar Silicones France SAS, Universite Claude Bernard Lyon I, Centre National de la Recherche Scientifique - CNRSInventors: Vincent MONTEIL, Jean RAYNAUD, Delphine CROZET, Magali BOUSQUIE, Sebastien MARROT
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Patent number: 9744527Abstract: An article having antifouling properties and intended to be employed in aquatic uses, in particular marine uses, which comprises: a) a support, b) optionally, at least one primer coat on said support comprising at least one anticorrosive product, c) optionally, at least one intermediate primer coat promoting adhesion between the coats, d) at least one adhesion-promoting coat or tie coat, deposited on said primer coat or on said support when the primer coat is absent, and e) at least one antifouling coat or topcoat, deposited on said adhesion-promoting coat or tie coat.Type: GrantFiled: May 28, 2009Date of Patent: August 29, 2017Assignee: BLUESTAR SILICONES FRANCE SASInventors: Christian Maliverney, Stefan Breunig, Delphine Blanc
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Patent number: 9732261Abstract: The present invention relates to a cross-linkable, elastomeric silicone composition and to a method using the composition according to the invention to form seals for sealing and assembling components of a power train. The silicone elastomers prepared from the composition according to the invention have: good resistance to ageing in chemically aggressive fluids such as those used e.g. in a power train, in this case engine oils, gearbox and axle lubricants, oil/gasoline mixtures, coolants, fuels, or antifreeze; good adhesion properties, even to surfaces soiled by the oils used in a power train; and good mechanical-strength properties, such as breaking strength, elongation at break, and Shore hardness.Type: GrantFiled: September 13, 2012Date of Patent: August 15, 2017Assignee: BLUESTAR SILICONES FRANCE SASInventors: Tania Ireland, Romain Sicre
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Patent number: 9714345Abstract: Described are organopolysiloxane compositions that are capable of cross-linking and/or of hardening by polyaddition reactions so as to produce elastomers or materials made of silicone. Further described, is how the composition is useful for making a dental impression in the context of preparing prostheses.Type: GrantFiled: December 12, 2011Date of Patent: July 25, 2017Assignee: BLUESTAR SILICONES FRANCE SASInventor: Marco Del Torto
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Patent number: 9637645Abstract: The present invention relates to an item having anti-soiling properties and intended for aquatic, and particularly ocean use, and to a method for slowing the growth of aquatic organisms on submersible or semi-submersible structures.Type: GrantFiled: December 2, 2014Date of Patent: May 2, 2017Assignee: BLUESTAR SILICONES FRANCE SASInventors: Aurélie Mondiere, Tania Ireland, Anne Seggio
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Patent number: 9624251Abstract: A subject matter of the present invention is the use as catalyst, in particular in hydrosilylation, of a metal complex including at least one metal atom chosen from the metals of Groups 8, 9 and 10 of the Periodic Table of the Elements and one or more ligands, characterized in that at least one ligand includes a silene structure.Type: GrantFiled: July 11, 2014Date of Patent: April 18, 2017Assignees: BLUESTAR SILICONES FRANCE SAS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE—CNRSInventors: Antoine Baceiredo, Tsuyoshi Kato, Ricardo Rodriguez, Norio Nakata, Sébastien Marrot, Laurent Saint-Jalmes
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Publication number: 20170009086Abstract: The present invention relates to an item having anti-soiling properties and intended for aquatic, and particularly ocean use, and to a method for slowing the growth of aquatic organisms on submersible or semi-submersible structures.Type: ApplicationFiled: December 2, 2014Publication date: January 12, 2017Applicant: BLUESTAR SILICONES FRANCE SASInventors: Aurelie MONDIERE, Tania IRELAND, Anne SEGGIO
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Patent number: 9518071Abstract: A method (P) for hydrosilylating at least one compound (C), including at least one unsaturation in the presence of an organosilicon compound (O) including at least one hydrogen atom per molecule bonded directly to a silicon atom, and of a catalytic hydrosilylation system including a structured porous material (A) including pores and an inorganic structure consisting of silicon oxide walls, in which metal nanoparticles are contained.Type: GrantFiled: December 20, 2013Date of Patent: December 13, 2016Assignees: BLUESTAR SILICONES FRANCE SAS, UNIVERSITE CLAUDE BERNARD LYON 1Inventors: Chloe Thieuleux, Reine Sayah El Rayes, Marie-Line Zanota, Valerie Meille, Richard Vivier, Sebastien Marrot
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Patent number: 9512294Abstract: A composition comprising: at least one organosilicon compound A comprising at least two identical or different hydrolyzable and condensable groups, or at least two silanol functions ?SiOH, at least one crosslinking agent B, optionally at least one filler C, and a catalytically effective amount of at least one polycondensation catalyst M which is a zinc complex comprising in its structure a first type of ligand that is a ?-diketonate and a second type of ligand that is an amine.Type: GrantFiled: December 17, 2013Date of Patent: December 6, 2016Assignee: BLUESTAR SILICONES FRANCE SASInventors: Christian Maliverney, Delphine Blanc, Delphine Platel
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Patent number: 9499643Abstract: The invention relates to a method for preparing carbene by means of deprotonation of a precursor salt using a strong base. A purpose of the invention is to enhance the synthesis of carbenes, i.e. to simplify same, to make said synthesis more economical and to obtain a liquid or solid, stable and pure form constituting a catalytic system that is easy to store and use and that has a higher efficiency, higher yield and higher selectivity than carbene catalysts of the prior art. In order to do so, the method comprises deprotonation in a solvent including an alcohol. The invention also relates to an alcohol-containing solution and carbene, and to a solid that can be obtained from the solution, e.g. by means of sublimation.Type: GrantFiled: January 7, 2011Date of Patent: November 22, 2016Assignees: Bluestar Silicones France SAS, C.N.R.S.Inventors: Christian Maliverney, Laurent Saint-Jalmes, Sophie Gojon, Tsuyoshi Kato, Antoine J. Baceiredo
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Patent number: 9475829Abstract: The invention concerns a method of hydrosilylation between a siloxane compound (A) comprising at least one hydrogen atom bonded to a silicon atom and an unsaturated compound (B) comprising at least one alkene function and/or at least one alkyne function, the method being characterized in that it is catalyzed by a photocatalyst selected from among the polyoxometalates.Type: GrantFiled: December 19, 2013Date of Patent: October 25, 2016Assignee: BLUESTAR SILICONES FRANCE SASInventors: Emmanuel Pouget, Jean-Marc Frances
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Patent number: 9469783Abstract: The present invention concerns a crosslinkable silicone elastomer composition and a method using the composition according to the invention for forming sealing gaskets and assembly seals for the components of a powertrain. The silicone elastomers prepared from the composition according to the invention have:—good mechanical strength properties such as shore hardness, breaking strength, modulus at 100% elongation and—good resistance to ageing in chemically aggressive fluids such as those used, for example, in a powertrain, in this case engine oils, lubricants for the gearbox and axle, oil/petrol mixtures, coolant liquids, fuels or antifreeze liquids, and—good adhesion properties even on surfaces polluted by oils used in a powertrain.Type: GrantFiled: December 19, 2013Date of Patent: October 18, 2016Assignee: BLUESTAR SILICONES FRANCE SASInventors: Tania Ireland, Romain Sicre
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Patent number: 9464197Abstract: The invention relates to an article with antifouling properties, intended for aquatic uses and, in particular, for marine uses, and to a method for slowing down the growth of aquatic organisms on submersible or semi-subermisible structures.Type: GrantFiled: December 19, 2013Date of Patent: October 11, 2016Assignee: BLUESTAR SILICONES FRANCE SASInventors: Christian Maliverney, Delphine Blanc, Delphine Platel
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Patent number: 9458319Abstract: The invention relates to an article with antifouling properties, intended for aquatic uses and, in particular, for marine uses, and to a method for slowing down the growth of aquatic organisms on submersible or semi-submersible structures.Type: GrantFiled: December 19, 2013Date of Patent: October 4, 2016Assignee: BLUESTAR SILICONES FRANCE SASInventors: Christian Maliverney, Delphine Blanc, Michel Feder, Delphine Platel