Patents by Inventor Shekhar Mitra
Shekhar 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: 9248085Abstract: An aqueous depilatory composition comprising a thioglycolate salt and a fluoride ion source.Type: GrantFiled: August 17, 2012Date of Patent: February 2, 2016Assignee: The Procter & Gamble CompanyInventors: Paul James Smith, Graeme William Watts, Coralie Claude Monique Rowe, Sarah Jayne Campbell, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra, Norman Scott Broyles
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Patent number: 8899186Abstract: Oral care devices (including cleaning devices and delivery devices), oral care compositions, and related methods for using such devices and compositions are disclosed herein. A cleaning device may include a plurality of bristles and a plurality of tongue scrapers. A delivery device may include a delivery surface that is configured to retain an oral care composition. The oral care composition may include an incentivizing agent to entice an animal to lick the disclosed cleaning and/or delivery devices and may be in the form of a foam, liquid spray, gel or paste. The oral care composition may be dispensed onto a surface of a cleaning and/or delivery device. The device and composition may then be presented to an animal. The animal may lick the surface of the device. The licking action of the animal in licking the oral care device may clean the oral cavity and/or deliver an oral care composition.Type: GrantFiled: March 13, 2013Date of Patent: December 2, 2014Assignee: Orabrush, Inc.Inventors: Robert K. Wagstaff, Shekhar Mitra
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Publication number: 20130255590Abstract: Oral care devices (including cleaning devices and delivery devices), oral care compositions, and related methods for using such devices and compositions are disclosed herein. A cleaning device may include a plurality of bristles and a plurality of tongue scrapers. A delivery device may include a delivery surface that is configured to retain an oral care composition. The oral care composition may include an incentivizing agent to entice an animal to lick the disclosed cleaning and/or delivery devices and may be in the form of a foam, liquid spray, gel or paste. The oral care composition may be dispensed onto a surface of a cleaning and/or delivery device. The device and composition may then be presented to an animal. The animal may lick the surface of the device. The licking action of the animal in licking the oral care device may clean the oral cavity and/or deliver an oral care composition.Type: ApplicationFiled: March 13, 2013Publication date: October 3, 2013Applicant: Orabrush, Inc.Inventors: Robert K. Wagstaff, Shekhar Mitra
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Publication number: 20130255589Abstract: Oral care devices (including cleaning devices and delivery devices), oral care compositions, and related methods for using such devices and compositions are disclosed herein. A cleaning device may include a plurality of bristles and a plurality of tongue scrapers. A delivery device may include a delivery surface that is configured to retain an oral care composition. The oral care composition may include an incentivizing agent to entice an animal to lick the disclosed cleaning and/or delivery devices and may be in the form of a foam, liquid spray, gel or paste. The oral care composition may be dispensed onto a surface of a cleaning and/or delivery device. The device and composition may then be presented to an animal. The animal may lick the surface of the device. The licking action of the animal in licking the oral care device may clean the oral cavity and/or deliver an oral care composition.Type: ApplicationFiled: March 13, 2013Publication date: October 3, 2013Inventors: Robert K. Wagstaff, Shekhar Mitra
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Patent number: 8409154Abstract: A method of providing a skin benefit to the skin including the use of a skin care active and a portable moist heat delivery system comprising: a water vapor generating portion comprising a water vapor source and a heat source; and a water vapor-air regulating portion located at a skin-facing side of the water vapor generating portion, the water vapor-air regulating portion comprising a water vapor-air mixing layer, a water vapor-air distribution layer, a latent heat delivery surface, and optionally a skin contact layer, where the water vapor generating portion and the water vapor-air regulating portion are in fluid communication is disclosed.Type: GrantFiled: May 13, 2009Date of Patent: April 2, 2013Assignee: WyethInventors: Shekhar Mitra, Dean A. Zimmerman, Vincent York-Leung Wong, Marina Belkin
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Publication number: 20130042420Abstract: A depilatory article comprising a substrate and a depilatory composition disposed on said substrate wherein the depilatory composition comprises solid entrapping particles, said particles comprising a polymer and a volatile material or mixture of volatile materials.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Inventors: Paul James SMITH, Julien Claude Plos, Olindo Evangelista, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra, Norman Scott Broyles
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Publication number: 20130046256Abstract: A depilatory article comprising a substrate and a depilatory composition disposed on said substrate forming a coated region of the substrate, wherein at least a portion of the surface of the coated region of the substrate has an average surface free energy measured by the method herein of at least 30 mJ/m2, preferably from 31 mJ/m2 to 72 mJ/m2, more preferably from 32 mJ/m2 to 55 mJ/m2, even more preferably from 33 mJ/m2 to 46 mJ/m2 and even more preferably still from 34 mJ/m2 to 38 mJ/m2.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Inventors: Paul James SMITH, Paul Albert SAGEL, Rajeev Kumar PASSI, Shekhar MITRA, Norman Scott BROYLES
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Publication number: 20130042418Abstract: An aqueous depilatory composition comprising a thioglycolate salt and a fluoride ion source.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Inventors: Paul James SMITH, Graeme William Watts, Coralie Claude Monique Rowe, Sarah Jayne Campbell, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra, Norman Scott Broyles
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Publication number: 20130042419Abstract: A depilatory article comprising a substrate and an aqueous depilatory composition, the aqueous depilatory composition being in physical contact with the substrate, forming a coated area of the substrate and comprising a thioglycolate salt and a phosphate ion source, sulphate or sulphite ion source or mixtures thereof.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Inventors: Paul James Smith, Graeme William Watts, Coralie Claude Monique Rowe, Sarah Jayne Campbell, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra, Norman Scott Broyles
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Publication number: 20120016381Abstract: A depilatory article comprising a substrate and a depilatory composition comprising a keratin reducing agent and being in physical contact with the substrate, preferably forming a coated or impregnated region of the substrate wherein at least a portion of the substrate is transparent.Type: ApplicationFiled: July 15, 2011Publication date: January 19, 2012Inventors: Cigdem Asli Hassan, Susan Clare Robinson, Paul James Smith, Jamie Anthony Fletcher, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110202071Abstract: A depilatory article, preferably a facial depilatory article, comprising a substrate which is at least partially coated with a depilatory composition, preferably a depilatory composition, the coating of depilatory composition forming a coated region of the depilatory article, wherein the coated region comprises an upper-lip portion adapted to be placed above a human mouth, and wherein the coated region comprises a first return portion projecting from the upper lip portion and adapted to be placed contiguously with the outer extremity of the vermilion lip in a first corner of the mouth.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Fletcher, Susan Clare Robinson, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110197370Abstract: A depilatory article comprising a substrate; and a depilatory composition disposed on the substrate, the coating of depilatory composition forming a coated region of the substrate and having a substrate facing side and a non-substrate facing side, wherein said depilatory composition has a yield point from 50 Pa to 2000 Pa, preferably from 65 Pa to 1200 Pa, more preferably from 80 Pa to 750 Pa and even more preferably from 100 Pa to 500 Pa measured via a stress controlled amplitude sweep; at a frequency of 1 Hz and a temperature of 25° C. and wherein the depilatory article comprises a protective release layer, preferably a water impermeable protective release layer placed on the non-substrate facing side of the depilatory composition.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Fletcher, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110197373Abstract: A depilatory article comprising a water impermeable substrate and an aqueous depilatory composition, the aqueous depilatory composition being in physical contact with the water impermeable substrate and comprising a keratin reducing agent and water in an amount of at least 40% by weight of the aqueous depilatory composition; wherein the aqueous depilatory composition forms a covered region of the water impermeable substrate and wherein the keratin reducing agent is present in an amount per unit area of the covered region of from 1×10?7 mol/cm2 to 4×10?5 mol/cm2 from 1×10?6 mol/cm2 to 2×10?5 mol/cm2, preferably from 5×10?6 mol/cm2 to 1.5×10?5 mol/cm2 and more preferably from 7×10?6 mol/cm2 to 1.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Fletcher, Graeme William Watts, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110197375Abstract: A depilatory article comprising a substrate and an aqueous depilatory composition, the aqueous depilatory composition being in physical contact with the substrate, forming a coated area of the substrate and comprising a thioglycolate salt and a silicate.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Fletcher, Graeme William Watts, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110202072Abstract: A depilatory article comprising a flexible substrate partially coated with a depilatory composition, the coating of depilatory composition forming a coated region of the depilatory article, wherein the depilatory article comprises at least two finger-tabs being substantially free of depilatory composition and positioned on substantially opposing sides of the coated region, and wherein the flexible substrate has a secant modulus at 2% strain of greater than 689.5 bar (10,000 psi), more preferably greater than 1379.0 bar (20,000 psi), even more preferably greater than 2068.4 bar (30,000 psi) and even more preferably still greater than 2757.9 bar (40,000 psi).Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Susan Clare Robinson, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110200651Abstract: A depilatory article comprising a water impermeable substrate and a depilatory composition disposed on the water impermeable substrate, forming a coated region of the water impermeable substrate, wherein the water impermeable substrate has a thickness of from 80 ?m to 12 ?m, preferably 50 ?m to 15 ?m, more preferably 40 ?m to 16 ?m, even more preferably 30 ?m to 17 ?m, and wherein said water impermeable substrate comprises a material selected from polyolefins, polyethylene terephthalate (PET); polyvinylchloride (PVC); polyamide (PA); polyurethane; polychloropene; polysulfone; polytetrafluoroethylene (PTFE); polyvinyl acetate (PVA); polystyrene; polyphenylene oxide (PPO); acrylonitrile butadiene styrene (ABS); ethylene vinyl alcohol (EVA); natural rubber, latex, nylon, nitrile, silicone and thermo plastic elastomers (TPE) or mixtures thereof, preferably a polyolefin or mixtures thereof and more preferably a polyethylene or mixtures thereof.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110202073Abstract: A method of removing unwanted hair from the surface of the body comprising the steps of providing a depilatory article comprising a flexible substrate at least partially coated with a depilatory composition, the coating of depilatory composition forming a coated region of the depilatory article; tensioning the coated region of the depilatory article; applying the depilatory article to the surface of the body such that the coated region is applied under tension to the unwanted hair; and removing the depilatory article from the surface of the body.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Susan Clare Robinson, Neil Charles Dring, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110197374Abstract: A depilatory article comprising a substrate and an aqueous depilatory composition, the aqueous depilatory composition being in physical contact with the substrate and comprising a keratin reducing agent and one or more monovalent cations; wherein the aqueous depilatory composition forms a coated region of the substrate; and wherein the amount of monovalent cations per unit area of said coated region is from 6×10?7 mol/cm2 to 6×10?6 mol/cm2, preferably from 1.5×10?6 mol/cm2 to 4.5×10?6 mol/cm2 and more preferably from 2.25×10?6 mol/cm2 to 3.75×10?6 mol/cm2.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Eletcher, Graeme William Watts, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110200652Abstract: A personal care article comprising a water impermeable substrate and an aqueous personal care composition disposed on said water impermeable substrate, forming a coated region of the water impermeable substrate, wherein said water impermeable substrate has a rigidity in the range of from 5.00 g/cm to 0.08 g/cm, preferably from 3.00 g/cm to 0.08 g/cm, more preferably from 1.80 g/cm to 0.10 g/cm, even more preferably from 0.80 g/cm to 0.15 g/cm and even more preferably still from 0.60 g/cm to 0.25 g/cm.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra
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Publication number: 20110197371Abstract: A depilatory article comprising a substrate and an aqueous depilatory composition, the aqueous depilatory composition being in physical contact with the substrate, forming a coated region of the substrate and comprising a thioglycolate salt and silica.Type: ApplicationFiled: February 17, 2011Publication date: August 18, 2011Inventors: Paul James Smith, Jamie Anthony Fletcher, Graeme William Watts, Paul Albert Sagel, Rajeev Kumar Passi, Shekhar Mitra