Patents by Inventor Kamel Ramdani
Kamel Ramdani 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: 12490737Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: GrantFiled: December 11, 2023Date of Patent: December 9, 2025Assignee: SPECIALTY OPERATIONS FRANCEInventors: Amit Sehgal, Kamel Ramdani, Christopher Plummer, Huw Evans
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Publication number: 20240107997Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Inventors: Amit SEHGAL, Kamel RAMDANI, Christopher PLUMMER, Huw EVANS
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Patent number: 11877575Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: GrantFiled: April 2, 2021Date of Patent: January 23, 2024Inventors: Amit Sehgal, Kamel Ramdani, Christopher Plummer, Huw Evans
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Publication number: 20230272306Abstract: The present invention relates to the use of propoxylated methyl isobutyl carbinol or propoxylated di-isobutyl carbinol in cleaning compositions. In particular, the use of said carbinols provides improvement in cleaning performance for cleaning hard and soft surfaces.Type: ApplicationFiled: September 9, 2021Publication date: August 31, 2023Applicant: RHODIA BRASIL S.A.Inventors: Livia Pereira, Sergio Martins, James Woods, Derek Pakenha, Kamel Ramdani, Diego Hernandes
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Publication number: 20230119350Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a cationic polysaccharide; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants, nonionic surfactants and combinations thereof. This composition when applied to a surface provides robust long lasting disinfection.Type: ApplicationFiled: October 26, 2022Publication date: April 20, 2023Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Thomas BROPHY, Kamel RAMDANI
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Patent number: 11497210Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a cationic polysaccharide; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants, nonionic surfactants and combinations thereof. This composition when applied to a surface provides robust long lasting disinfection.Type: GrantFiled: April 9, 2019Date of Patent: November 15, 2022Assignee: RHODIA OPERATIONSInventors: Amit Sehgal, Thomas Brophy, Kamel Ramdani
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Publication number: 20220295789Abstract: The present disclosure provides an antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof; and at least one non-ionic surfactant selected from the group consisting of low hydrophilic-lipophilic balance (HLB) non-ionic surfactants with a delocalized electronic structure that have moderate to poor water solubility. This composition when applied to a surface demonstrates good cleaning ability and provides robust long lasting disinfection.Type: ApplicationFiled: June 3, 2022Publication date: September 22, 2022Inventors: Amit SEHGAL, Tamara MAMISTVALOVA, Amanda TORRES, Celine Anna Simone BUREL, Kamel RAMDANI
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Patent number: 11375715Abstract: The present disclosure provides an antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof; and at least one non-ionic surfactant selected from the group consisting of low hydrophilic-lipophilic balance (HLB) non-ionic surfactants with a delocalized electronic structure that have moderate to poor water solubility. This composition when applied to a surface demonstrates good cleaning ability and provides robust long lasting disinfection.Type: GrantFiled: February 13, 2020Date of Patent: July 5, 2022Assignee: RHODIA OPERATIONSInventors: Amit Sehgal, Tamara Mamistvalova, Amanda Torres, Celine Burel, Kamel Ramdani
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Publication number: 20210251225Abstract: The present disclosure provides a method for killing pathogens on a surface, the method comprising applying a composition to the surface, the composition comprising: at least one quaternary ammonium compound; a polymer comprising one or more types of monomer units selected from cationic monomer units, anionic monomer units, amphoteric monomer units, non-ionic monomer units, and combinations thereof, wherein at least one cationic monomer unit, amphoteric monomer unit or at least one anionic monomer unit is present when the polymer comprises one or more non-ionic monomer units; a surfactant selected from cationic surfactants, amphoteric surfactants, non-ionic surfactants, and combinations thereof; and, optionally, an organic acid, wherein the pH of the composition is less than 5; and the composition achieves at least 0.Type: ApplicationFiled: February 11, 2021Publication date: August 19, 2021Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Laura GAGE, Kamel RAMDANI
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Publication number: 20210219545Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: ApplicationFiled: April 2, 2021Publication date: July 22, 2021Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Kamel RAMDANI, Christopher PLUMMER, Huw EVANS
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Patent number: 10980230Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: GrantFiled: April 9, 2019Date of Patent: April 20, 2021Assignee: Rhodia OperationsInventors: Amit Sehgal, Kamel Ramdani, Christopher Plummer, Huw Evans
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Publication number: 20200253203Abstract: The present disclosure provides an antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof; and at least one non-ionic surfactant selected from the group consisting of low hydrophilic-lipophilic balance (HLB) non-ionic surfactants with a delocalized electronic structure that have moderate to poor water solubility. This composition when applied to a surface demonstrates good cleaning ability and provides robust long lasting disinfection.Type: ApplicationFiled: February 13, 2020Publication date: August 13, 2020Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Tamara MAMISTVALOVA, Amanda TORRES, Celine BUREL, Kamel RAMDANI
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Publication number: 20190307122Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a synthetic polymer that includes: at least one cationic monomer Ab, optionally, at least one anionic monomer Ba, and optionally, at least one non-ionic monomer Ca; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants and combinations thereof, wherein the composition is free of non-ionic surfactants. This composition when applied to a surface provides robust long lasting disinfection.Type: ApplicationFiled: April 9, 2019Publication date: October 10, 2019Inventors: Amit SEHGAL, Kamel RAMDANI, Christopher PLUMMER, Huw EVANS
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Publication number: 20190307124Abstract: An antimicrobial composition that includes: an antimicrobial component having at least one quaternary ammonium compound; a cationic polysaccharide; an organic acid; and a surfactant selected from cationic surfactants, amphoteric surfactants, nonionic surfactants and combinations thereof. This composition when applied to a surface provides robust long lasting disinfection.Type: ApplicationFiled: April 9, 2019Publication date: October 10, 2019Applicant: RHODIA OPERATIONSInventors: Amit SEHGAL, Thomas BROPHY, Kamel RAMDANI
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Patent number: 8481014Abstract: The invention relates to polyorganosiloxanes containing, per molecule, at least one siloxyl unit substituted with at least one group having one or more sterically hindered piperidinyl functional groups, devoid of toxicity upon contact with the skin. The invention also relates to an improved cosmetic composition comprising the polyorganosiloxanes according to the invention and the use of these compositions for the treatment of keratin materials, in particular the skin and the hair.Type: GrantFiled: October 2, 2008Date of Patent: July 9, 2013Assignee: Bluestar Silicones SASInventors: Gilles Lorentz, Richard Vivier, Kamel Ramdani, Bernard Hendrickx
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Patent number: 8013059Abstract: A method for hydrolyzing/condensing, by acid catalysis, silanes bearing hydrolyzable groups, preferably halogenosilanes and more preferably still chlorosilanes, in a polyphase reaction medium (preferably biphasic), includes contacting the silanes bearing the hydrolyzable groups with water, buffer solution and neutralizing agent, while stirring, then in separating the aqueous phase from the organic phase, which contains the hydrolysis/condensation products, namely hydroxylated polyorganosiloxanes; such method is characterized by (a) employing intensively stirring means producing, in the reaction medium, an agitation at least equivalent to that induced by a shearing corresponding to that provided by a rotor whereof the peripheral speed is not less than 8 m.s?1, preferably not less than 10 m.s?1, and more preferably still ranging between 15 and 20 m.s?1, enabling thus organic phase droplets to be formed, of d32 less than 500 ?m; and (b) ensuring that the silanes/aqueous phase mass fraction is not less than 0.Type: GrantFiled: June 16, 2005Date of Patent: September 6, 2011Assignee: Bluestar Silicones FranceInventors: Thomas Deforth, Kamel Ramdani
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Patent number: 7951895Abstract: The invention relates to, and the general field of the invention is that of, the synthesis of silicone resins, more particularly the synthesis of silicone resins of type MQ. The process relates to the preparation of MQ silicone resins and permits better control of the operating conditions in the step of the polymerization of a sodium silicate (B) in aqueous medium in the presence of an acid (C) to form a silica hydrosol (polysilicic acid). In the course of the polycondensation step the reactants, a sodium silicate and an acid, are mixed, preferably in continuous fashion, dynamically to form a mixture (3), by means of at least one intensive mixing tool (M) producing a power ? per unit volume of more than 10 kW/m3.Type: GrantFiled: December 19, 2006Date of Patent: May 31, 2011Assignee: Bluestar Silicones FranceInventors: Kamel Ramdani, Hélène Bossy, Sébastien Lomel, Nicolas Durand
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Publication number: 20110020249Abstract: The invention relates to polyorganosiloxanes containing, per molecule, at least one siloxyl unit substituted with at least one group having one or more sterically hindered piperidinyl functional groups, devoid of toxicity upon contact with the skin. The invention also relates to an improved cosmetic composition comprising the polyorganosiloxanes according to the invention and the use of these compositions for the treatment of keratin materials, in particular the skin and the hair.Type: ApplicationFiled: October 2, 2008Publication date: January 27, 2011Applicant: BLUESTONE SILICONE FRANCEInventors: Gilles Lorentz, Richard Vivier, Kamel Ramdani, Bernard Hendrickx
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Patent number: 7776988Abstract: The invention relates to silicon oils, more particularly, to a novel method for the preparation of a silicon oil by polymerization and rearrangement of cyclic siloxanes in the presence of an alkaline catalyst and a co-catalyst which is a cryptand (macroheterobicyclic diamine) acting as a polymerization accelerator.Type: GrantFiled: November 30, 2007Date of Patent: August 17, 2010Assignee: Rhodia ChimieInventors: Etienne Fleury, Jean-Manuel Mas, Kamel Ramdani
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Patent number: 7741504Abstract: The present invention relates to a method for preparing an omega-haloalkyl dialkylhalosilane by means of a hydrosilylation reaction in the presence of a catalytically effective amount of a hydrosilylation catalyst containing a platinum group metal. The catalytic metal is recovered by (i) subjecting the distillation residue to controlled hydrolysis to release the gaseous H-Hal haloacid, and providing an aqueous medium containing the catalytic metal with a low hydrolysable halide content Si-Hal=2%, expressed by weight of Hal, then (2i) recovering the platinum group catalytic metal from said aqueous medium by means of one of the conventional techniques specific to catalyst manufacturers that do not use a solid adsorbent and operate in ordinary facilities that do not have to be acid-resistant.Type: GrantFiled: June 14, 2005Date of Patent: June 22, 2010Assignee: Rhodia ChimieInventor: Kamel Ramdani