Patents by Inventor Severine Cauvin
Severine Cauvin 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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Publication number: 20230365896Abstract: A laundry treatment formulation is provided, comprising: a modified carbohydrate polymer, wherein the modified carbohydrate polymer comprises a cellulose ether base material functionalized with (i) trialkyl ammonium moieties of formula (I) wherein each R1 is independently selected from the group consisting of a C1-7 alkyl group and wherein the modified carbohydrate polymer has a Kjeldahl nitrogen content, TKN, corrected for ash and volatiles, of 0.75 to 2.5 wt %; and (ii) hydrophobic substituents each having 16 carbon atoms; wherein the modified carbohydrate polymer comprises 0.005 to 1.5 wt %, based on weight of the cellulose ether base material, of the hydrophobic substituents; wherein the hydrophobic substituents are randomly distributed across the backbone of the cellulose ether base material; wherein the cellulose ether base material has a weight average molecular weight, MW, of >800,000 Daltons.Type: ApplicationFiled: September 15, 2021Publication date: November 16, 2023Inventors: Saugata Nad, Severine Cauvin, Rahma Benbakoura, Flore Vandemeulebroucke, Serge Creutz, Lyndsay M. Leal, Emmett M. Partain, III, Randara Pulukkody, Nisaraporn Suthiwangcharoen, Michelle Sikarskie
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Publication number: 20230183614Abstract: An automatic dishwashing composition is provided including a builder; a nonionic surfactant; and a dispersant polymer comprising: (a) >60 to <90 wt %, based on weight of the dispersant polymer, of structural units of formula I wherein each R1 is independently selected from a hydrogen and a —CH3 group; and (b) >10 to <40 wt %, based on weight of the dispersant polymer, of structural units of formula II wherein each R2 is independently selected from the group consisting of a C1-6 hydroxyalkyl group and a C1-6 alkoxy group; and wherein each R3 is independently selected from a hydrogen and a methyl group.Type: ApplicationFiled: June 18, 2021Publication date: June 15, 2023Inventors: Scott Backer, Paul Mercando, Ashutosh Umarvadia, Severine Cauvin, Michael C. Mitchell, Marianne Creamer
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Patent number: 11359167Abstract: The present disclosure relates to fabric-care compositions comprising an uncured silicone based polymer. In particular, the present disclosure relates to fabric-care compositions comprising at least one uncured silicone based polymer; and at least one fabric-care ingredient, optionally in an acceptable medium. Also disclosed are processes to prepare the fabric-care compositions and uses of the fabric-care compositions.Type: GrantFiled: December 17, 2018Date of Patent: June 14, 2022Assignee: DOW SILICONES CORPORATIONInventors: Tatiana Dimitrova, Jonathan Thill, Severine Cauvin
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Patent number: 10961352Abstract: A Crosslinked Aminosilicone Polymer is useful in personal care applications, particularly hair care or textile treatment. A process for making the Crosslinked Aminosilicone Polymer is also described.Type: GrantFiled: October 30, 2018Date of Patent: March 30, 2021Assignee: Dow Silicones CorporationInventors: Kimmai Nguyen, Qian Feng, Nisaraporn Suthiwangcharoen, Hannah Wedge, Severine Cauvin, Jonathan Thill, Bethany Johnson
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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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Publication number: 20200369834Abstract: A Crosslinked Aminosilicone Polymer is useful in personal care applications, particularly hair care or textile treatment. A process for making the Crosslinked Aminosilicone Polymer is also described.Type: ApplicationFiled: October 30, 2018Publication date: November 26, 2020Inventors: Kimmai T. Nguyen, Qian Jane Feng, Nisaraporn Suthiwangcharoen, Hannah Wedge, Severine Cauvin, Jonathan Thill, Bethany K. Johnson
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Patent number: 10829718Abstract: A detergent composition comprises a trisiloxane having at least one carbinol functional group. The trisiloxane comprises the reaction product of (A) an initial trisiloxane and (B) an organic compound. Component (A) has a pendant silicon-bonded functional group selected from a hydrogen atom, an epoxy-containing group, an ethylenically unsaturated group, and an amine group. Typically, component (A) is free of certain terminal silicon-bonded functional groups and is free of polyoxyalkylene groups. Component (B) has a functional group reactive with the pendant silicon-bonded functional group of component (A), and has at least one hydroxyl functional group. The trisiloxane may be of the following general formula (I): (R13SiO1/2)(R1R3SiO2/2)(R13SiO1/2) (I). In formula (I), each R1 is an independently selected hydrocarbyl group. R3 may be selected from the groups (i) to (x) described herein, each of the groups having at least one carbinol group. Typically, the trisiloxane has 1-6 carbinol groups.Type: GrantFiled: April 26, 2017Date of Patent: November 10, 2020Assignees: DOW SILICONES CORPORATION, DOW TORAY CO., LTD.Inventors: Paula Michele Bauer, Severine Cauvin, Eric J. Joffre, Lenin J. Petroff, Martin K. Severance, Tsunehito Sugiura, Seiki Tamura, Zachary R. Wenzlick
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Publication number: 20200339915Abstract: The present disclosure relates to fabric-care compositions comprising an uncured silicone based polymer. In particular, the present disclosure relates to fabric-care compositions comprising at least one uncured silicone based polymer; and at least one fabric-care ingredient, optionally in an acceptable medium. Also disclosed are processes to prepare the fabric-care compositions and uses of the fabric-care compositions.Type: ApplicationFiled: December 17, 2018Publication date: October 29, 2020Inventors: Tatiana DIMITROVA, Jonathan THILL, Severine CAUVIN
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Publication number: 20190112549Abstract: A detergent composition comprises a trisiloxane having at least one carbinol functional group. The trisiloxane comprises the reaction product of (A) an initial trisiloxane and (B) an organic compound. Component (A) has a pendant silicon-bonded functional group selected from a hydrogen atom, an epoxy-containing group, an ethylenically unsaturated group, and an amine group. Typically, component (A) is free of certain terminal silicon-bonded functional groups and is free of polyoxyalkylene groups. Component (B) has a functional group reactive with the pendant silicon-bonded functional group of component (A), and has at least one hydroxyl functional group. The trisiloxane may be of the following general formula (I): (R13SiO1/2)(R1R3SiO2/2)(R13SiO1/2) (I). In formula (I), each R1 is an independently selected hydrocarbyl group. R3 may be selected from the groups (i) to (x) described herein, each of the groups having at least one carbinol group. Typically, the trisiloxane has 1-6 carbinol groups.Type: ApplicationFiled: April 26, 2017Publication date: April 18, 2019Inventors: Paula Michele BAUER, Severine CAUVIN, Eric J. JOFFRE, Lenin J. PETROFF, Martin K. SEVERANCE, Tsunehito SUGIURA, Seiki TAMURA, Zachary R. WENZLICK
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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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Publication number: 20180369390Abstract: An aqueous dispersion, useful for forming a film, comprises a silicone composition dispersed in an aqueous phase. The silicone composition comprises a product of a reaction of (a) an alkenyl-containing organopolysiloxane having an average per molecule of at least 2 alkenyl groups and (b) an Si H containing siloxane having an average per molecule of at least 2 Si H moieties. The dispersion also comprises a hydrosilylation catalyst and polyvinyl alcohol. The composition is stabilised in dispersion form by the polyvinyl alcohol dissolved in the aqueous phase. The dispersion is an effective method of delivering a pharmaceutically or cosmetically active ingredient by topical application.Type: ApplicationFiled: August 29, 2018Publication date: December 27, 2018Inventors: Severine CAUVIN, Morgane LE MEUR, Donald Taylor LILES, Xavier Jean-Paul THOMAS, Anne-Marie VINCENT
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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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Publication number: 20170174886Abstract: The invention relates to branched organopolysiloxanes and emulsions thereof, and to methods of preparation and uses of the branched organopolysiloxanes and emulsions thereof. A branched organopolysiloxane is prepared by the reaction of a branching agent with a substantially linear organopolysiloxane containing at least one hydroxyl or hydrolysable group bonded to silicon, in the presence of an inert fluid and a catalyst, such as a phosphazene catalyst. Phosphazene catalysts also have the advantage that the content of undesired low molecular weight cyclic silicones in the polymerisation product is low.Type: ApplicationFiled: January 15, 2015Publication date: June 22, 2017Applicant: Dow Corning CorporationInventors: SEVERINE CAUVIN, LORRY DEKLIPPEL, YIHAN LIU, ROBERT D. KENNEDY
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Patent number: 9504748Abstract: An aqueous dispersion comprises a silicone composition dispersed in an aqueous phase. The silicone composition comprises a product of a reaction of (a) an alkenyl-containing organopolysiloxane having an average per molecule of at least 2 alkenyl groups and (b) an Si H containing siloxane having an average per molecule of at least 2 Si H moieties. The dispersion also comprises a hydrosilylation catalyst, a polymeric film former and a surfactant of molecular weight below 1600. The composition is stabilised in dispersion form by the surfactant dissolved in the aqueous phase and the polymeric film former, and is capable of forming a tacky layer on drying.Type: GrantFiled: July 15, 2013Date of Patent: November 29, 2016Assignee: Dow Corning CorporationInventors: Severine Cauvin, Morgane Le Meur, Jonathan Thill, Xavier Jean-Paul Thomas
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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: 20150190516Abstract: An aqueous dispersion, useful for forming a film, comprises a silicone composition dispersed in an aqueous phase. The silicone composition comprises a product of a reaction of (a) an alkenyl-containing organopolysiloxane having an average per molecule of at least 2 alkenyl groups and (b) an Si H containing siloxane having an average per molecule of at least 2 Si H moieties. The dispersion also comprises a hydrosilylation catalyst and polyvinyl alcohol. The composition is stabilised in dispersion form by the polyvinyl alcohol dissolved in the aqueous phase. The dispersion is an effective method of delivering a pharmaceutically or cosmetically active ingredient by topical application.Type: ApplicationFiled: July 15, 2013Publication date: July 9, 2015Applicant: Dow Corning CorporationInventors: Severine Cauvin, Morgane Le Meur, Donald Taylor Liles, Xavier Jean-Paul Thomas, Anne-Marie Vincent