Patents by Inventor Rupak MITRA
Rupak MITRA 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: 12138334Abstract: Disclosed is an antidandruff composition comprising low amounts of piroctone olamine which synergistically interacts with benzoic acid or a salt thereof and itaconic acid or an ester thereof. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.Type: GrantFiled: July 24, 2020Date of Patent: November 12, 2024Assignee: Conopco, Inc.Inventors: Vinitha Kadamkode, Rupak Mitra
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Publication number: 20240197593Abstract: Disclosed is an aqueous sulphate-free cleansing composition for female intimate hygiene, said composition comprising: a) 1 to 20 wt % of a non-soap surfactant system comprising combination two or more sulphate-free surfactants selected from glycinates, betaines, alkyl polyglucosides and amphoacetates; b) 0.05 to 4 wt % of a prebiotic capable of being broken down by Lactobacilli to lactic acid; and, c) 0.001 to 3 wt % lactic acid or a salt thereof added as a postbiotic; wherein said composition is free of live bacteria including Lactobacilli.Type: ApplicationFiled: April 14, 2022Publication date: June 20, 2024Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Samarth BHARADWAJ, Sandeep GUPTA, Renu KAPOOR, Rupak MITRA, Rohini Sukumaran NAIR, Lin YANG, Ashish Shrikant YEKHE
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Patent number: 11872296Abstract: A preservation system comprising: i. itaconic acid or salt thereof and ii. an aromatic alcohol selected from the group consisting of ethylvanillin, eugenol, thymol, P-hydroxybenzaldehyde, 4n butyl phenol, P-hydroxyacetophenone, vanillin, salicylic acid or salt thereof, o-cymen-5-ol, carvacrol and mixtures thereof.Type: GrantFiled: May 20, 2019Date of Patent: January 16, 2024Assignee: CONOPCO, INC.Inventors: Stuart Campbell-Lee, Rupak Mitra, Thomas Richard Pointon, Ian Peter Stott
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Patent number: 11684557Abstract: An antimicrobial preservation system comprising: i. itaconic acid or salt thereof and ii. benzoic acid or salt thereof.Type: GrantFiled: May 20, 2019Date of Patent: June 27, 2023Assignee: CONOPCO, INC.Inventors: Stuart Campbell-Lee, Rupak Mitra, Thomas Richard Pointon, Ian Peter Stott
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Patent number: 11642294Abstract: An antimicrobial preservation system comprising: i. itaconic acid or salt thereof and ii. benzoic acid or salt thereof.Type: GrantFiled: May 20, 2019Date of Patent: May 9, 2023Assignee: CONOPCO, INC.Inventors: Stuart Campbell-Lee, Rupak Mitra, Thomas Richard Pointon, Ian Peter Stott
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Patent number: 11490618Abstract: A preservation system comprising: i) itaconic acid or salt thereof and ii) a secondary preservation chemical selected from the list consisting of terpineol, geraniol, perillyl alcohol, menthol, terpinene, linalool, citronellol and mixtures thereof.Type: GrantFiled: May 20, 2019Date of Patent: November 8, 2022Assignee: Conopco, Inc.Inventors: Stuart Campbell-Lee, Rupak Mitra, Thomas Richard Pointon, Ian Peter Stott
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Publication number: 20220287936Abstract: Disclosed is an antidandruff composition comprising synergistic combination of itaconic acid or an ester thereof and a benzoic acid or a salt thereof in specific ratio ranges. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.Type: ApplicationFiled: July 24, 2020Publication date: September 15, 2022Inventors: Vinitha KADAMKODE, Rupak MITRA
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Publication number: 20220280401Abstract: Disclosed is an antidandruff composition comprising low amounts of piroctone olamine which synergistically interacts with benzoic acid or a salt thereof and itaconic acid or an ester thereof. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.Type: ApplicationFiled: July 24, 2020Publication date: September 8, 2022Inventors: Vinitha KADAMKODE, Rupak MITRA
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Publication number: 20220192951Abstract: The present invention relates to combination of actives that provides synergistic preservative action especially for use in personal care compositions. The preservative system comprises a combination of sodium benzoate and a second active selected from benzhydroxamic acid or tricarballylic acid.Type: ApplicationFiled: February 10, 2020Publication date: June 23, 2022Applicant: CONOPCO, Inc., d/b/a UNILEVERInventors: Vinitha KADAMKODE, Rupak MITRA, Thomas Rchard POINTON, Ian Peter STOTT
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Publication number: 20210392900Abstract: The present invention relates to an antimicrobial particulate composition and a process for preparing the same. The invention also relates to a personal care composition comprising the antimicrobial particulate composition. The invention ensures desired efficacy on preparation at production scale while exhibiting a desired light coloured appearance of the composition.Type: ApplicationFiled: March 1, 2019Publication date: December 23, 2021Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Rupak MITRA, Girish MURALIDHARAN, Amitava PRAMANIK, Samarpita SARKAR, Somnath DAS
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Publication number: 20210307324Abstract: A preservation system comprising: i) itaconic acid or salt thereof and ii) a secondary preservation chemical selected from the list consisting of terpineol, geraniol, perillyl alcohol, menthol, terpinene, linalool, citronellol and mixtures thereof.Type: ApplicationFiled: May 20, 2019Publication date: October 7, 2021Inventors: Stuart CAMPBELL-LEE, Rupak MITRA, Thomas Richard POINTON, Ian Peter STOTT
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Publication number: 20210251863Abstract: An antimicrobial preservation system comprising: i. itaconic acid or salt thereof and ii. benzoic acid or salt thereof.Type: ApplicationFiled: May 20, 2019Publication date: August 19, 2021Inventors: Stuart CAMPBELL-LEE, Rupak MITRA, Thomas Richard POINTON, Ian Peter STOTT
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Publication number: 20210205194Abstract: A preservation system comprising: i. itaconic acid or salt thereof and ii. an aromatic alcohol selected from the group consisting of ethylvanillin, eugenol, thymol, P-hydroxybenzaldehyde, 4n butyl phenol, P-hydroxyacetophenone, vanillin, salicylic acid or salt thereof, o-cymen-5-ol, carvacrol and mixtures thereof.Type: ApplicationFiled: May 20, 2019Publication date: July 8, 2021Inventors: Stuart CAMPBELL-LEE, Rupak MITRA, Thomas Richard POINTON, Ian Peter STOTT
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Patent number: 10682298Abstract: The present invention relates to a process for preparing an antimicrobial particulate composition. The invention also relates to personal care or hygiene composition comprising an antimicrobial particulate composition obtainable by the process in accordance with this invention. The invention more particularly relates to a process for preparing an antimicrobial metal nanoparticles immobilized in an inorganic porous material and also incorporating these particles in personal care or hygiene compositions. The antimicrobial particulate composition comprises 0.05% to 3% by weight of antimicrobial metal particles and 97 to 99.95% by weight of immobilizer comprising an inorganic porous material selected from zinc oxide, magnesium hydroxide or calcium carbonate.Type: GrantFiled: July 16, 2015Date of Patent: June 16, 2020Assignee: CONOPCO, INC.Inventors: Somnath Das, Satyaranjan Gupta, Rupak Mitra, Girish Muralidharan, Amitava Pramanik
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Publication number: 20190387743Abstract: Disclosed is a composition comprising: (i) a composite antimicrobial particulate material comprising an oligodynamic metal embedded in a water-insoluble inorganic carrier; and, (ii) at least one of thymol or terpineol or a mixture thereof. The composition is useful for sanitising an animate or inanimate surface by reducing bacterial count of at least one Gram-positive or Gram-negative bacterium on said surface by 1 to 5 log within a contact time of 10 to 30 seconds.Type: ApplicationFiled: November 11, 2017Publication date: December 26, 2019Inventors: Amit CHAKRABORTTY, Rupak MITRA, Sayandip MUKHERJEE, Samarpita SARKAR
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Publication number: 20190262243Abstract: The present invention relates to a process for preparing an antimicrobial particulate composition. The invention also relates to personal care or hygiene composition comprising an antimicrobial particulate composition obtainable by the process in accordance with this invention. The invention more particularly relates to a process for preparing an antimicrobial metal nanoparticles immobilized in an inorganic porous material and also incorporating these particles in personal care or hygiene compositions. The antimicrobial particulate composition comprises 0.05% to 3% by weight of antimicrobial metal particles and 97 to 99.95% by weight of immobilizer comprising an inorganic porous material selected from zinc oxide, magnesium hydroxide or calcium carbonate.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Inventors: Somnath DAS, Satyaranjan GUPTA, Rupak MITRA, Girish MURALIDHARAN, Amitava PRAMANIK
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Publication number: 20170209347Abstract: The present invention relates to a process for preparing an antimicrobial particulate composition. The invention also relates to personal care or hygiene composition comprising an antimicrobial particulate composition obtainable by the process in accordance with this invention. The invention more particularly relates to a process for preparing an antimicrobial metal nanoparticles immobilized in an inorganic porous material and also incorporating these particles in personal care or hygiene compositions. The antimicrobial particulate composition comprises 0.05% to 3% by weight of antimicrobial metal particles and 97 to 99.95% by weight of immobilizer comprising an inorganic porous material selected from zinc oxide, magnesium hydroxide or calcium carbonate.Type: ApplicationFiled: July 16, 2015Publication date: July 27, 2017Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Somnath DAS, Satyaranjan GUPTA, Rupak MITRA, Girish MURALIDHARAN, Amitava PRAMANIK