Patents by Inventor Dongcui Li
Dongcui Li 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: 12343411Abstract: Disclosed are semi-solid gel compositions comprising (a) a gelling oil phase comprising: i) at least one oil gelator; ii) at least one fatty alcohol; and iii) at least one fatty compound other than (ii); wherein said gelling oil phase is present in an amount of from at least about 50% by weight, relative to the weight of the total composition; and (b) a lamellar crystalline aqueous gel phase comprising: i) water and optionally at least one polyol present in an amount up to about 50% by weight, relative to the weight of the total composition; ii) at least one lamellar crystalline phase structurant; and iii) at least one emulsifier. The disclosure also relates to methods of treating keratinous substrates.Type: GrantFiled: May 13, 2020Date of Patent: July 1, 2025Assignee: L'OREALInventors: Dongcui Li, Heather Lee, Jun Liang
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Patent number: 12257330Abstract: The present disclosure relates to hair coloring compositions; and to methods for coloring hair using the compositions. The hair coloring compositions are substantially anhydrous and include: one or more colorant; one or more glycols; one or more monoalcohols having from 2 to 6 carbon atoms; one or more cationic surfactants; and one or more fatty compounds.Type: GrantFiled: December 31, 2019Date of Patent: March 25, 2025Assignee: L'OREALInventors: Heather Lee, Dongcui Li, Jun Liang, Sarah Barrie Machover, Sangeeta Gaikwad
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Publication number: 20240285499Abstract: The present invention belongs to the technical field of daily-use chemicals, and discloses a ginsenoside-containing composition, which includes the following components in parts by weight: 0.001-0.05 parts of palmitoyl tetrapeptide-7, 0.001-0.05 parts of blue copper peptide, 0.1-5 parts of ectoin, and 0.05-5 parts of a ginsenoside composition. According to the present invention, excellent fast acting and consistently-increased hair growth, hair loss prevention and hair development effects are achieved through preferred compounding of the ginsenoside composition and multiple polypeptides, etc. Meanwhile, the present invention further provides use of the composition and a daily-use chemical using the composition.Type: ApplicationFiled: February 7, 2024Publication date: August 29, 2024Inventors: Dongcui Li, Shaohua Ren, Haochi Zheng, Xiuqun Zuo, Zeyu Zhang, Naisheng Jiang, Ying Luo
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Patent number: 11540983Abstract: A hair treatment compositions including about 20 wt. % or more of a polyol; about 5 wt. % to about 50 wt. % of a monoalcohol having 1 to 10 carbons; about 0.1 to about 5 wt. % of silicone; about 0.1 to about 10 wt. % of a cationic polymer; about 0.1 to about 10 wt. % of a cationic surfactant; about 0.1 to about 15 wt. % of a fatty alcohol; and about 10 wt. % or less of water, wherein all percentages by weight are based on the total weight of the hair treatment composition.Type: GrantFiled: March 31, 2021Date of Patent: January 3, 2023Assignee: L'OREALInventors: Jun Liang, Heather Yoonsoo Lee, Dongcui Li
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Patent number: 11421048Abstract: Disclosed are staged emulsion polymers comprising a crosslinked first stage polymer and a subsequently polymerized linear or slightly crosslinked second stage polymer segment. The staged emulsion polymers possess a dual activation mechanism and provide desirable rheological, clarity, and aesthetic properties in aqueous and aqueous surfactant containing compositions.Type: GrantFiled: May 4, 2018Date of Patent: August 23, 2022Assignee: Lubrizol Advanced Materials, Inc.Inventors: Shui-Jen Raymond Hsu, Dongcui Li, Sinan Li, Robert Jacobs
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Patent number: 11337906Abstract: The present disclosure relates to hair care and conditioning compositions; and to methods for conditioning, managing, and/or styling the hair using the compositions. The hair conditioning and managing compositions are substantially anhydrous and include: propylene glycol; one or more monoalcohols having from 2 to 6 carbon atoms; one or more cationic surfactants; and one or more fatty compounds. The compositions are solubilized, non-emulsified compositions until applied to wet or damp hair, whereupon the compositions form a lamellar phase in situ.Type: GrantFiled: December 31, 2019Date of Patent: May 24, 2022Assignee: L'OREALInventors: Heather Lee, Dongcui Li, Jun Liang
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Patent number: 11254766Abstract: A crosslinked, nonionic, amphiphilic polymer is prepared by polymerizing a monomer mixture comprising an amphiphilic additive. The obtained polymer is useful for forming a clearer yield stress fluid in combination with a surfactant. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.Type: GrantFiled: December 15, 2017Date of Patent: February 22, 2022Assignee: Lubrizol Advanced Materials, Inc.Inventors: Dongcui Li, Shui-Jen Raymond Hsu, Krishnan Chari
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Publication number: 20210299006Abstract: A hair treatment compositions including about 20 wt. % or more of a polyol; about 5 wt. % to about 50 wt. % of a monoalcohol having 1 to 10 carbons; about 0.1 to about 5 wt. % of silicone; about 0.1 to about 10 wt. % of a cationic polymer; about 0.1 to about 10 wt. % of a cationic surfactant; about 0.1 to about 15 wt. % of a fatty alcohol; and about 10 wt. % or less of water, wherein all percentages by weight are based on the total weight of the hair treatment composition.Type: ApplicationFiled: March 31, 2021Publication date: September 30, 2021Inventors: Jun LIANG, Heather Yoonsoo LEE, Dongcui LI
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Publication number: 20200375854Abstract: Disclosed are semi-solid gel compositions comprising (a) a gelling oil phase comprising: i) at least one oil gelator; ii) at least one fatty alcohol; and iii) at least one fatty compound other than (ii); wherein said gelling oil phase is present in an amount of from at least about 50% by weight, relative to the weight of the total composition; and (b) a lamellar crystalline aqueous gel phase comprising: i) water and optionally at least one polyol present in an amount up to about 50% by weight, relative to the weight of the total composition; ii) at least one lamellar crystalline phase structurant; and iii) at least one emulsifier. The disclosure also relates to methods of treating keratinous substrates.Type: ApplicationFiled: May 13, 2020Publication date: December 3, 2020Inventors: Dongcui LI, Heather LEE, Jun LIANG
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Publication number: 20200255568Abstract: Disclosed are staged emulsion polymers comprising a crosslinked first stage polymer and a subsequently polymerized linear or slightly crosslinked second stage polymer segment. The staged emulsion polymers possess a dual activation mechanism and provide desirable rheological, clarity, and aesthetic properties in aqueous and aqueous surfactant containing compositions.Type: ApplicationFiled: May 4, 2018Publication date: August 13, 2020Applicant: Lubrizol Advanced Materials, Inc.Inventors: Shui-Jen Raymond Hsu, Dongcui Li, Sinan Li, Robert Jacobs
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Publication number: 20200206112Abstract: The present disclosure relates to hair coloring compositions; and to methods for coloring hair using the compositions. The hair coloring compositions are substantially anhydrous and include: one or more colorant; one or more glycols; one or more monoalcohols having from 2 to 6 carbon atoms; one or more cationic surfactants; and one or more fatty compounds.Type: ApplicationFiled: December 31, 2019Publication date: July 2, 2020Inventors: Heather Lee, Dongcui Li, Jun Liang, Sarah Barrie Machover, Sangeeta Mumbai
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Publication number: 20200206111Abstract: The present disclosure relates to hair care and conditioning compositions; and to methods for conditioning, managing, and/or styling the hair using the compositions. The hair conditioning and managing compositions are substantially anhydrous and include: propylene glycol; one or more monoalcohols having from 2 to 6 carbon atoms; one or more cationic surfactants; and one or more fatty compounds. The compositions are solubilized, non-emulsified compositions until applied to wet or damp hair, whereupon the compositions form a lamellar phase in situ.Type: ApplicationFiled: December 31, 2019Publication date: July 2, 2020Inventors: Heather LEE, Dongcui LI, Jun LIANG
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Publication number: 20190345282Abstract: A crosslinked, nonionic, amphiphilic polymer is prepared by polymerizing a monomer mixture comprising an amphiphilic additive. The obtained polymer is useful for forming a clearer yield stress fluid in combination with a surfactant. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.Type: ApplicationFiled: December 15, 2017Publication date: November 14, 2019Inventors: Dongcui Li, Shui-Jen Raymond Hsu, Krishnan Chari
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Publication number: 20170369614Abstract: A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in combination with a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.Type: ApplicationFiled: December 14, 2015Publication date: December 28, 2017Inventors: Dongcui Li, Shui-Jen Raymond Hsu, Sinan Li, Krishnan Chari
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Publication number: 20170304182Abstract: A hair conditioning composition comprising: a) at least one cationic surfactant compound; b) at least one fatty acid ester of an ethoxylated alkyl glucoside; c) at least one nonionic, amphiphilic, emulsion polymer; d) an aqueous carrier; and optionally, e) at least one other auxiliary conditioning agent different than (a) said other conditioning agent is selected from a silicone, a hydrocarbon oil, a natural oil, an ester oil, a cationic compound, a cationic polymer, and combinations thereof.Type: ApplicationFiled: August 25, 2015Publication date: October 26, 2017Inventors: Murat Kadir, Dongcui Li, Neil Howard, Brian D. Figura