Patents by Inventor Changlong Chen
Changlong Chen 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: 12673016Abstract: The disclosure relates to compositions comprising (a) at least one amphoteric surfactant, (b) at least one glycolipid, (c) at least one cationic polymer from about 0.05% to about 2%; and (d) at least one cosmetically acceptable solvent wherein the cleansing system is essentially free of phenoxyethanol, and wherein the pH of the composition is between 4 and 8, and wherein the ratio of a to b is from about 0.4 to about 4, and wherein the total concentration of a and b combined is about 10 to about 20% of the total weight of the composition. The compositions can be used as rinse-off compositions for cleansing skin.Type: GrantFiled: November 30, 2023Date of Patent: July 7, 2026Assignee: L'OREALInventors: Changlong Chen, Siliu Tan, Mariko Hasebe
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Patent number: 12605321Abstract: Described herein are personal care compositions comprising a sulfate-free surfactant system and a preservative system comprising an organic acid; along with methods of making and using same.Type: GrantFiled: March 29, 2021Date of Patent: April 21, 2026Assignee: Colgate-Palmolive CompanyInventors: Luis Alberto Cruz, Arturo Zuniga, Changlong Chen, Hongwei Shen, Komal Shahani, Nadia Soliman, Amira Khan
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Publication number: 20260090964Abstract: The present invention relates to compositions comprising (a) at least one glycolipid; (b) at least one salicylic acid or its derivatives represented by formula (I); (c) at least one cationic polymer may be a polysaccharide derived from ?-linked D-glucosamine and N-acetyl-D-glucosamine; (d) at least one clay; and (e) cosmetically acceptable solvents comprising water, glycerin. The compositions according to the present invention can provide an effect of treating, hydrating, and/or cleansing acne-prone skin.Type: ApplicationFiled: September 30, 2024Publication date: April 2, 2026Applicant: L'OREALInventors: Christopher PANG, Changlong CHEN, Siliu TAN, Mariko HASEBE
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Publication number: 20260002092Abstract: A monophasic micellar water cleansing composition includes a combination of surfactants that include at least one biosurfactant and at least one polyglycerol ester surfactant, in particular, one of polyglycerol-3 and polyglycerol-4 ester surfactants, wherein the combination of surfactants provides a water rinsible composition that is visually clear and pleasing on application with high makeup removability. More particularly, the composition provides highly effective makeup removal exceeding the performance of at least one commercial benchmark having components that are considered effective but less desirable due to the presence of ingredients that are harsh and less natural. The micellar cleansing composition has a pH in a range from about 4 to about 8, and may be essentially free or free of PEG/POE surfactants.Type: ApplicationFiled: June 28, 2024Publication date: January 1, 2026Applicant: L'OREALInventors: Changlong CHEN, Mariko HASEBE
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Publication number: 20260000595Abstract: The disclosure related to compositions comprising (a) at least one amphoteric surfactant, (b) at least one glycolipid, (c) at least one cationic polymer from about 0.05% to about 2%, (d) at least one acne treatment active, and (e) at least one cosmetically acceptable solvent wherein the cleansing system is essentially free of phenoxyethanol, and wherein the pH of the composition is between about 4 and about 8, and wherein the weight ratio of a to b is about 0.4 to about 4, and wherein the total concentration of a and b combined is about 10% to about 20% of the total weight of the composition. The compositions can be used as rinse-off compositions for cleansing skin and depositing acne treatment actives.Type: ApplicationFiled: June 27, 2024Publication date: January 1, 2026Applicant: L'OREALInventors: Changlong CHEN, Siliu TAN, Christopher PANG, Sho WATANABE, Mariko HASEBE
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Publication number: 20260000583Abstract: A cosmetic kit is disclosed having a container and a shaving cap. The container comprises interior chamber containing a solidified gel of a micellar solution and a dispensing opening that exposes an outer surface of the solidified gel. The exposed surface of the solidified gel to a surface, like skin, and can be cleaned with the shaving cap, which removes at least a portion of the exposed surface of the solidified gel. The shaving cap comprises a planer surface and one or more openings or slits through the planar surface having shaving edges that shave the exposed surface of the solidified gel when applied against the exposed surface, for example, by rotating the shaving cap relative to the container with sufficient force to overcome shearing resistance of the solidified gel. The cosmetic kit is particularly useful for hygienically cleansing the skin.Type: ApplicationFiled: June 27, 2024Publication date: January 1, 2026Applicant: L'OREALInventors: Christopher PANG, Mariko HASEBE, Changlong CHEN
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Publication number: 20250367103Abstract: A cosmetic composition in the form of a solidified gel is disclosed comprising: (a) about 0.5 wt. % or more of gellan gum; (b) one or more polyols having from 2 to 10 carbon atoms; (c) one or more surfactants; and (d) water. The cosmetic composition is useful in methods for topically treating and cleansing the body, for example, the skin. The cosmetic composition and methods are particularly effective for removing makeup.Type: ApplicationFiled: May 30, 2024Publication date: December 4, 2025Applicant: L'OREALInventors: Christopher PANG, Changlong CHEN, Mariko HASEBE
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Publication number: 20250367086Abstract: A cleansing composition is for cleansing skin in a rinse-off formulation provides a stable disposition of an acne treatment active, for example, beta hydroxy acid, on the skin that is resistant to removal by rinsing with or without use of a cleansing apparatus. The cleansing composition includes at least one beta hydroxy acid, for example, salicylic acid or a derivative thereof, which is present in an amount that is greater than 1%, by weight, based on the weight of the cleansing composition, and an aqueous carrier that includes lauryl lactate for thickening and stabilization, at least one surfactant, at least one cationic agent, and optional additives. The cleansing composition has a pleasing high foam, is free of drying and irritating sulfates and PEG-type components, demonstrates phase stability up to at least three months at temperatures up to 45° C., and demonstrates retention of beta hydroxy acid active on the skin after cleansing and rinsing.Type: ApplicationFiled: May 31, 2024Publication date: December 4, 2025Applicant: L'OREALInventors: Hungta LIN, Christopher PANG, Changlong CHEN, Mariko HASEBE
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Publication number: 20250367104Abstract: A cosmetic composition in the form of a solidified gel is disclosed comprising: (a) about 0.5 wt. % or more of gellan gum; (b) one or more polyols having from 2 to 10 carbon atoms; (c) one or more surfactants; and (d) water. The cosmetic composition is useful in methods for topically treating and cleansing the body, for example, the skin. The cosmetic composition and methods are particularly effective for removing makeup.Type: ApplicationFiled: May 29, 2025Publication date: December 4, 2025Applicant: L'OREALInventors: Christopher PANG, Changlong CHEN, Mariko HASEBE, Taylor JONES
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Publication number: 20250325462Abstract: The disclosure relates to compositions comprising (a) at least one amphoteric surfactant, (b) at least one glycolipid, (c) at least one cationic polymer from about 0.05% to about 2%, (d) at least one mineral particle, and (e) at least one cosmetically acceptable solvent wherein the cleansing system is essentially free of phenoxyethanol, and wherein the pH of the composition is between about 4 and about 8, and wherein the weight ratio of a to b is about 0.4 to about 4, and wherein the total concentration of a and b combined is about 10% to about 20% of the total weight of the composition. The compositions can be used as rinse-off compositions for cleansing skin and depositing mineral particles.Type: ApplicationFiled: April 19, 2024Publication date: October 23, 2025Applicant: L'OREALInventor: Changlong CHEN
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Publication number: 20250275908Abstract: An acne care composition includes at least one surfactant comprising sodium cocoyl isethionate and optionally glyceryl stearate SE, at least one glycolipid, at least one beta hydroxy acid comprising salicylic acid or a derivative thereof, at least one clay optionally comprising kaolin, at least one cationic polymer optionally comprising chitosan, at least one thickener comprising one of carrageenan, xanthan gum, sclerotium gum, or a combination thereof, at least one cosmetically acceptable solvent comprising water, and comprising glycerin, and at least one additive selected from the group consisting of sodium hydroxide, niacinamide, lactic acid, cetyl alcohol, trisodium ethylenediamine disuccinate, ceramides, and combinations thereof. When applied to skin by rubbing, the composition demonstrates peak shear stress in a range from about 100 to about 1000 PA at shear rate in the range from 1 1/s-100 1/s, followed by a sharp drop in viscosity when shear stress is maintained.Type: ApplicationFiled: February 29, 2024Publication date: September 4, 2025Applicant: L'OREALInventors: Changlong Chen, Siliu TAN, Christopher PANG, Mariko HASEBE
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Publication number: 20250275902Abstract: The present invention relates to compositions comprising (a) at least one glycolipid; (b) at least one salicylic acid or its derivatives represented by formula (I); (c) at least one cationic polymer which may be a polysaccharide derived from ?-linked D-glucosamine and N-acetyl-D-glucosamine; (d) at least one clay; and (e) cosmetically acceptable solvents comprising water, glycerin. The compositions according to the present invention can provide an effect of treating, hydrating, and/or cleansing acne-prone skin.Type: ApplicationFiled: February 28, 2025Publication date: September 4, 2025Applicant: L'OREALInventors: Christopher PANG, Changlong Chen, Siliu Tan, Mariko Hasebe, Hiroaki Kaga, Masanori Orita
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Publication number: 20250275903Abstract: The present invention relates to a composition comprising (a) at least one glycolipid; (b) at least one salicylic acid or its derivatives represented by formula (I); (c) at least one cationic polymer may be a polysaccharide derived from ?-linked D-glucosamine and N-acetyl-D-glucosamine; and (d) at least one thickener. The composition according to the present invention can provide an effect of treating, hydrating, and/or cleansing acne-prone skin.Type: ApplicationFiled: February 29, 2024Publication date: September 4, 2025Applicant: L'OREALInventors: Siliu TAN, Hiroaki Kaga, Mariko Hasebe, Changlong Chen, Christopher Pang, Masanori Orita
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Publication number: 20250177273Abstract: The disclosure relates to compositions comprising (a) at least one amphoteric surfactant, (b) at least one glycolipid, (c) at least one cationic polymer from about 0.05% to about 2%; and (d) at least one cosmetically acceptable solvent wherein the cleansing system is essentially free of phenoxyethanol, and wherein the pH of the composition is between 4 and 8, and wherein the ratio of a to b is from about 0.4 to about 4, and wherein the total concentration of a and b combined is about 10 to about 20% of the total weight of the composition. The compositions can be used as rinse-off compositions for cleansing skin.Type: ApplicationFiled: November 30, 2023Publication date: June 5, 2025Applicant: L'OREALInventors: Changlong CHEN, Siliu Tan, Mariko Hasebe
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Publication number: 20250000777Abstract: A cosmetic cleansing composition includes a monophasic micellar water that includes at least one amphoteric surfactant present from greater than about 0.05%, by weight, at least one cationic polymer comprising chitosan, polylysine, guar hydroxypropyltrimonium chloride, or combinations thereof present from greater than about 0.01%, by weight, based on the weight of the composition and an aqueous carrier that includes at least water. The cosmetic cleansing composition has a pH in a range from about 4 to about 8, and may be essentially free or free of PEG/POE surfactants. When applied to remove makeup on keratinous tissue the cosmetic cleansing composition demonstrates effective cleansing of longwear foundation and lipstick.Type: ApplicationFiled: June 30, 2023Publication date: January 2, 2025Applicant: L'OREALInventors: Changlong CHEN, Christopher PANG, Mariko HASEBE
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Publication number: 20250000753Abstract: A foaming cleansing composition includes at least one amphoteric surfactant, which may be selected from cocamidopropyl hydroxysultaine, cocamidopropyl betaine, cocobetaine, sodium lauroamphoacetate, disodium cocoamphodiacetate, or combinations thereof, at least one anionic surfactant comprising methyl oleoyl taurate, at least one anionic surfactant having a carboxyl group which may be selected from sarcosinates, glycinates, alaninates, glutamates, glycolipids, or combinations thereof, and water. The foaming cleansing composition may be essentially free of added PEG-type polymeric thickeners.Type: ApplicationFiled: June 30, 2023Publication date: January 2, 2025Applicant: L'OREALInventors: Changlong CHEN, Hungta LIN, Mariko HASEBE, Masanori ORITA
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Publication number: 20240277583Abstract: The present disclosure relates to a mouthwash composition containing an amine fluoride or amine base plus fluoride and an alkyl glucoside, as well as related methods for use of said compositions.Type: ApplicationFiled: November 17, 2023Publication date: August 22, 2024Inventors: Changlong CHEN, Chi-Yuan Cheng, Hongwei Shen, Zhigang Hao, Svenia Schmid, Thomas Schollbach, Cornelia Scheffel
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Publication number: 20240225997Abstract: A nature-based cleansing composition includes at least one glycolipid that includes at least one rhamnolipid, at least one nature-based viscosity modifying polymeric thickener for a water-based system or at least one anionic surfactant, or a combination thereof, and water present from about 60% to about 98% by weight of the cleansing composition. The at least one nature-based viscosity modifying polymeric thickener for a water-based system may be one of algin, xanthan gum (and) sclerotium gum (and) lecithin (and) pullulan (Siligel™), xanthan gum, carbomer 980, hydroxypropyl starch phosphate, ammonium polyacryloyldimethyl taurate, hydroxyethyl cellulose, acrylate copolymer, sclerotium gum.Type: ApplicationFiled: December 27, 2022Publication date: July 11, 2024Applicant: L'OREALInventors: Hungta LIN, Changlong CHEN, Mariko HASEBE
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Publication number: 20240216264Abstract: A nature-based foaming cleansing composition includes at least one glycolipid that includes at least one rhamnolipid, at least one cationic polymer, at least one nature-based viscosity modifying polymeric thickener for a water-based system or at least one anionic surfactant, or a combination thereof, and water present from about 60% to about 98% by weight of the cleansing composition. The at least one cationic polymer may be chitosan, and in particular embodiments, low molecular weight chitosan, and the at least one nature-based viscosity modifying polymeric thickener for a water-based system may be one of algin, xanthan gum (and) sclerotium gum (and) lecithin (and) pullulan (Siligel™), xanthan gum, carbomer 980, hydroxypropyl starch phosphate, ammonium polyacryloyldimethyl taurate, hydroxyethyl cellulose, acrylate copolymer, sclerotium gum.Type: ApplicationFiled: December 27, 2022Publication date: July 4, 2024Applicant: L'OREALInventors: Hungta LIN, Changlong CHEN, Siliu TAN, Mariko HASEBE
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Publication number: 20240180804Abstract: The present disclosure relates to a mouthwash composition containing an amine fluoride or amine base plus fluoride and an acyl glutamate, as well as related methods for use of said compositions.Type: ApplicationFiled: November 17, 2023Publication date: June 6, 2024Inventors: Changlong CHEN, Hongwei Shen, Michael Stranick