Patents by Inventor Sophie Hanssens
Sophie Hanssens 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).
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Patent number: 10940099Abstract: The present invention provides methods for preparing emulsions of silicone fluids having pituitous rheological properties. The present invention also provides emulsions of a silicone fluid having pituitous rheological properties and composition comprising the emulsions. The compositions include, but are not limited to, personal care compositions and compositions for hair shampoo, hair conditioner, hair treatment composition, or skin care product.Type: GrantFiled: April 4, 2016Date of Patent: March 9, 2021Assignee: Dow Silicones CorporationInventors: Severine Cauvin, Patrick J. Fryfogle, Sophie Hanssens, Donald Kadlec, Stephane Ugazio, Marine Viaud, Brett Lee Zimmerman
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Patent number: 10245451Abstract: Aminofunctional silicone compositions are disclosed comprising: an organopolysiloxane having an average formula of (CH3)3SiO[(CH3)2SiO]x [(CH3)RNSiO]ySi(CH3)3 with less than 1 weight % of nitrogen in its formula, where RN is an aminofunctional group, x is ?100, y is ?1 with the proviso the sum of x+y is from 250 to 350; wherein the viscosity of the silicone composition ranges from 1000 to 2500 cP at 25° C. and is measured by a Brookfield RV DV viscometer equipped with Pro CP 52 spindle at 20 RPM; and the aminofunctional silicone composition contains less than 0.1 weight % of D4 and less than 0.1 weight % D5 cyclic siloxanes.Type: GrantFiled: November 27, 2017Date of Patent: April 2, 2019Assignee: Dow Silicones CorporationInventors: Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Lok Ming Eva Li, Elodie Raynaud, Houria Seghir, Avril E. Surgenor, Blondine Donatienne Van Roy
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Patent number: 10143862Abstract: Aqueous silicone emulsions are disclosed comprising: A) an aminofunctional organopolysiloxane, B) a quaternary ammonium surfactant having a formula R1 R2 R3 R4 N+ X?, where R1 is an organofunctional group containing at least 10 carbon atoms, R2 is R1 or a hydrocarbyl containing 1 to 12 carbon atoms, R3 is R1, R2, or an alcohol group containing 2 to 10 carbon atoms, R4 is R1, R2, or R3, X? is a halide, sulfate, sulfonate, methosulfate, or ethosulfate, C) a nonionic surfactant, where the aqueous silicone emulsion contains less than 0.2 weight % of D4 and D5 cyclic siloxanes.Type: GrantFiled: November 28, 2012Date of Patent: December 4, 2018Assignee: Dow Silicones CorporationInventors: Elise Billes, Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Elodie Raynaud, Blondine Donatienne Van Roy
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Publication number: 20180193234Abstract: A method of preparing an oil-in-water emulsion comprises combining (A) an organopolysiloxane including at least two silicon-bonded hydrolysable or hydroxyl groups and (B) an organic oil to give a mixture. The method further comprises combining the mixture, (C) an aqueous medium and (D) a surfactant to form an initial emulsion. Finally, the method comprises contacting the organopolysiloxane (A) with (D1) an organic acid catalyst to polymerize the organopolysiloxane (A) to give (A1) a high molecular weight organopolysiloxane and the oil-in-water emulsion. A personal care composition comprising the oil-in-water emulsion and a personal care ingredient is also disclosed.Type: ApplicationFiled: July 2, 2015Publication date: July 12, 2018Inventors: Severine CAUVIN, Li DING, Sophie HANSSENS, Xinyu SHI, Stephane UGAZIO
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Publication number: 20180078467Abstract: The present invention provides methods for preparing emulsions of silicone fluids having pituitous rheological properties. The present invention also provides emulsions of a silicone fluid having pituitous rheological properties and composition comprising the emulsions. The compositions include, but are not limited to, personal care compositions and compositions for hair shampoo, hair conditioner, hair treatment composition, or skin care product.Type: ApplicationFiled: April 4, 2016Publication date: March 22, 2018Inventors: Severine Cauvin, Patrick J. Fryfogle, Sophie Hanssens, Donald Kadlec, Stephane Ugazio, Marine Vlaud, Brett Lee Zimmerman
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Publication number: 20180078793Abstract: Aminofunctional silicone compositions are disclosed comprising: an organopolysiloxane having an average formula of (CH3)3SiO[(CH3)2SiO]x[(CH3)RNSiO]ySi(CH3)3 with less than 1 weight % of nitrogen in its formula, where RN is an aminofunctional group, x is ?100, y is ?1 with the proviso the sum of x+y is from 250 to 350; wherein the viscosity of the silicone composition ranges from 1000 to 2500 cP at 25° C. and is measured by a Brookfield RV DV viscometer equipped with Pro CP 52 spindle at 20 RPM; and the aminofunctional silicone composition contains less than 0.1 weight % of D4 and less than 0.1 weight % D5 cyclic siloxanes.Type: ApplicationFiled: November 27, 2017Publication date: March 22, 2018Inventors: Sylvie BOUZELOC, Severine CAUVIN, Cindy DELVALLE, Tatiana DIMITROVA, Sophie HANSSENS, Lok Ming Eva LI, Elodie RAYNAUD, Houria SEGHIR, Avril E. SURGENOR, Blondine Donatienne VAN ROY
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Patent number: 9849309Abstract: Aminofunctional silicone compositions are disclosed comprising: an organopolysiloxane having an average formula of (CH3)3SiO[(CH3)2SiO]x [(CH3)RNSiO]ySi(CH3)3 with less than 1 weight % of nitrogen in its formula, where RN is an aminofunctional group, x is ?100, y is ?1 with the proviso the sum of x+y is from 250 to 350; wherein the viscosity of the silicone composition ranges from 1000 to 2500 cP at 25° C. and is measured by a Brookfield RV DV viscometer equipped with Pro CP 52 spindle at 20 RPM; and the aminofunctional silicone composition contains less than 0.1 weight % of D4 and less than 0.1 weight % D5 cyclic siloxanes.Type: GrantFiled: November 29, 2012Date of Patent: December 26, 2017Assignee: Dow Corning CorporationInventors: Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Lok Ming Eva Li, Elodie Raynaud, Houria Seghir, Avril E. Surgenor, Blondine Donatienne Van Roy
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Patent number: 9156954Abstract: The invention relates to a method for the production of silicone in water emulsions by emulsion polymerization. The emulsion contains particles of an organopolysiloxane polymer having an average particle diameter of less than 1 ?m. The method comprises: —combining a silanol end-blocked organosiloxane starting polymer, water, and a surfactant; said starting polymer having a viscosity of at least 2 Pa·s preferably at least 2.5 Pa·s preferably at least 3.5 Pa·s preferably at least 4 Pa·s and up to 150 Pa·s; —emulsifying the starting polymer by agitating or shearing the ingredients; —polymerizing the starting polymer to form a longer chain silanol end-blocked organopolysiloxane polymer; wherein at least a portion of said polymerizing step is performed at a temperature of less than or equal to 16° C. preferably less than or equal to 15° C.Type: GrantFiled: March 1, 2012Date of Patent: October 13, 2015Assignee: Dow Corning CorporationInventors: Severine Cauvin, Sophie Hanssens, Alberto Petrosino, Benoit Rassart, Blondine Van Roy
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Publication number: 20140308229Abstract: Methods for treating fibers are disclosed with aqueous silicone emulsions comprising: A) an aminofunctional organopolysiloxane, B) a quaternary ammonium surfactant having a formula R1R2R3R4N+ X?, where R1 is an organofunctional group containing at least 10 carbon atoms, R2 is R1 or a hydrocarbyl containing 1 to 12 carbon atoms, R3 is R1, R2, or an alcohol group containing 2 to 10 carbon atoms, R4 is R1, R2, or R3, X? is a halide, sulfate, sulfonate, methosulfate, or ethosulfate, C) a nonionic surfactant, where the aqueous silicone emulsion contains less than 0.2 weight % of D4 and D5 cyclic siloxanes.Type: ApplicationFiled: November 28, 2012Publication date: October 16, 2014Inventors: Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Benoit Henault, Bethany K. Johnson, Elodie Raynaud, Houria Seghir, Avril E. Surgenor, Blondine Donatienne Van Roy
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Publication number: 20140294746Abstract: Aqueous silicone emulsions are disclosed comprising: A) an aminofunctional organopolysiloxane, B) a quaternary ammonium surfactant having a formula R1 R2 R3 R4 N+ X?, where R1 is an organofunctional group containing at least 10 carbon atoms, R2 is R1 or a hydrocarbyl containing 1 to 12 carbon atoms, R3 is R1, R2, or an alcohol group containing 2 to 10 carbon atoms, R4 is R1, R2, or R3, X? is a halide, sulfate, sulfonate, methosulfate, or ethosulfate, C) a nonionic surfactant, where the aqueous silicone emulsion contains less than 0.2 weight % of D4 and D5 cyclic siloxanes.Type: ApplicationFiled: November 28, 2012Publication date: October 2, 2014Inventors: Elise Billes, Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Elodie Raynaud, Blondine Donatienne Van Roy
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Publication number: 20140234247Abstract: Aminofunctional silicone compositions are disclosed comprising: an organopolysiloxane having an average formula of (CH3)3SiO[(CH3)2SiO]x [(CH3)RNSiO]ySi(CH3)3 with less than 1 weight % of nitrogen in its formula, where RN is an aminofunctional group, x is ?100, y is ?1 with the proviso the sum of x+y is from 250 to 350; wherein the viscosity of the silicone composition ranges from 1000 to 2500 cP at 25° C and is measured by a Brookfield RV DV viscometer equipped with Pro CP 52 spindle at 20 RPM; and the aminofunctional silicone composition contains less than 0.1 weight % of D4 and less than 0.1 weight % D5 cyclic siloxanes.Type: ApplicationFiled: November 29, 2012Publication date: August 21, 2014Applicant: Dow Corning CorporationInventors: Sylvie Bouzeloc, Severine Cauvin, Cindy Delvalle, Tatiana Dimitrova, Sophie Hanssens, Lok Ming Eva Li, Elodie Raynaud, Houria Seghir, Avril E. Surgenor, Blondine Donatienne Van Roy
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Publication number: 20140093547Abstract: The invention relates to a method for the production of silicone in water emulsions by emulsion polymerisation. The emulsion contains particles of an organopolysiloxane polymer having an average particle diameter of less than 1 ?m. The method comprises: —combining a silanol end-blocked organosiloxane starting polymer, water, and a surfactant; said starting polymer having a viscosity of at least 2 Pa·s preferably at least 2.5 Pa·s preferably at least 3.5 Pa·s preferably at least 4 Pa·s and up to 150 Pa·s; —emulsifying the starting polymer by agitating or shearing the ingredients; —polymerizing the starting polymer to form a longer chain silanol end-blocked organopolysiloxane polymer; wherein at least a portion of said polymerising step is performed at a temperature of less than or equal to 16° C. preferably less than or equal to 15° C.Type: ApplicationFiled: March 1, 2012Publication date: April 3, 2014Inventors: Severine Cauvin, Sophie Hanssens, Alberto Petrosino, Benoit Rassart, Blondine Van Roy
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Publication number: 20120107256Abstract: The invention provides an aqueous emulsion for use in a personal care, health care or household care composition. This emulsion comprises at least 1% by weight of a waxy material having a melting point of at least 10.5° C. and at least 1% by weight of an organopolysiloxane which is not miscible with the waxy material. The emulsion also contains an oil having a melting point below 10° C., the oil being miscible with the waxy material when melted and being present in a weight ratio of oil to waxy material in the range 5:95 to 95:5. This permits to obtain stable emulsion at low temperature.Type: ApplicationFiled: June 28, 2010Publication date: May 3, 2012Inventors: Cindy Delvalle, Sophie Hanssens, Houria Seghir, Sylvie Bouzeloc
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Publication number: 20110300085Abstract: The present invention relates to home and personal care compositions comprising a silicone oil-in-water emulsion stabilized by a protein or peptide and at least one home and/or personal care ingredient. Such compositions tend to provide desirable characteristics for the care and conditioning of hair, skin and fabric.Type: ApplicationFiled: October 30, 2009Publication date: December 8, 2011Inventors: Emilie Courbon, Lorry Deklippel, Tatiana Dimitrova, Anne-Lise Girboux, Sophie Hanssens, Stephane Ugazio