Patents by Inventor Shui-Ping Zhu
Shui-Ping Zhu 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: 11089779Abstract: A disinfectant composition that is effective against tuberculosis-causing bacteria is disclosed. The composition contains a disinfectant agent that is a combination of biocidal quaternary ammonium compound and an N,N-di-substituted alkylamide water insoluble solvent. The composition can be a concentrated formulation or a ready-to-use formulation. Methods of disinfecting surfaces containing tuberculosis-causing bacteria are also disclosed.Type: GrantFiled: October 10, 2019Date of Patent: August 17, 2021Assignee: Stepan CompanyInventors: Sangeeta Ganguly-Mink, Kenneth J. Littel, Shui Ping Zhu
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Patent number: 10676430Abstract: The present disclosure is related to non-alpha-substituted, low molecular weight peracid compositions. The peracids have no or a negligible amount of odor, have good stability, and have antimicrobial properties. The peracid compositions can be formulated into a wide variety of end use products, including disinfectants, sanitizers, sporicides, fungicides, laundry products, hard surface cleaners, bleaching agents, personal cleansers, and water treatment products.Type: GrantFiled: September 19, 2018Date of Patent: June 9, 2020Assignee: Stepan CompanyInventors: Sangeeta Ganguly-Mink, Kenneth J. Littel, Shui Ping Zhu
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Publication number: 20200085042Abstract: A disinfectant composition that is effective against tuberculosis-causing bacteria is disclosed. The composition contains a disinfectant agent that is a combination of biocidal quaternary ammonium compound and an N,N-di-substituted alkylamide water insoluble solvent. The composition can be a concentrated formulation or a ready-to-use formulation. Methods of disinfecting surfaces containing tuberculosis-causing bacteria are also disclosed.Type: ApplicationFiled: October 10, 2019Publication date: March 19, 2020Inventors: Sangeeta Ganguly-Mink, Kenneth J. Littel, Shui Ping Zhu
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Publication number: 20190016678Abstract: The present disclosure is related to non-alpha-substituted, low molecular weight peracid compositions. The peracids have no or a negligible amount of odor, have good stability, and have antimicrobial properties. The peracid compositions can be formulated into a wide variety of end use products, including disinfectants, sanitizers, sporicides, fungicides, laundry products, hard surface cleaners, bleaching agents, personal cleansers, and water treatment products.Type: ApplicationFiled: September 19, 2018Publication date: January 17, 2019Inventors: Sangeeta Ganguly-Mink, Kenneth J. Littel, Shui Ping Zhu
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Patent number: 9737076Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 15% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: GrantFiled: January 26, 2015Date of Patent: August 22, 2017Assignee: Arkema Inc.Inventors: Shui-Ping Zhu, Stephen W. Carson, Xue Wang, Nikola Juhasz
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Patent number: 9538760Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 0.8% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: GrantFiled: January 26, 2015Date of Patent: January 10, 2017Assignee: Arkema Inc.Inventors: Shui-Ping Zhu, Stephen W. Carson, Xue Wang
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Publication number: 20160312156Abstract: A stable, aqueous, liquid composition comprises both an enzyme and a peroxide or peroxide source. The composition contains a compatibilizer package having at least one compound chosen from enzyme stabilizers and peroxide stabilizers. The compatibilizer package maintains the activity of the enzyme and the concentration of the peroxide. A composition comprising peroxide or a peroxide source and a compatibilizer package is also disclosed.Type: ApplicationFiled: December 18, 2014Publication date: October 27, 2016Inventors: Pan PAN, Michael B. ABRAMS, Michael ROBBINS, John M. BARNES, Shui-Ping ZHU, Xue WANG
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Patent number: 9062280Abstract: The present invention relates to a liquid cleaning composition comprising a peroxygen bleach, a sulfonated anionic surfactant and an amphoteric/zwitterionic surfactant where the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants are in a ratio of from 0.1:1 to 13:1. The combination of the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants provides for high viscosities and improved cleaning performance.Type: GrantFiled: August 4, 2010Date of Patent: June 23, 2015Assignee: Arkema Inc.Inventors: Shui-Ping Zhu, Keith R. Genco, Stephen W. Carson
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Publication number: 20150150263Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 0.8% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: ApplicationFiled: January 26, 2015Publication date: June 4, 2015Inventors: Shui-Ping Zhu, Stephen W. Carson, Xue Wang
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Publication number: 20150150262Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 15% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: ApplicationFiled: January 26, 2015Publication date: June 4, 2015Inventors: Shui-Ping Zhu, Steven W. Carson, Xue Wang, Nikola Juhasz
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Publication number: 20130225467Abstract: The present invention relates to an automatic dishwashing composition including from about 0.1 to 5 weight, percent cross-linked anionic polyacrylate polymer, from about 0.1 to 40 weight percent alkali metal citrate chelating agent and from about 1 to 40 weight percent alkali metal sulfate, with from about 0.1 to 20 weight percent nonionic surfactant and from about 0.05 to 8.0 weight percent bleaching agent as optional components.Type: ApplicationFiled: September 13, 2011Publication date: August 29, 2013Inventors: Shui-Ping Zhu, Stephen W. Carson
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Publication number: 20130143786Abstract: The present invention is directed towards cleaning composition and/or formulations of commercial cleaning products containing beneficial metallocarbene activators for peroxygen species. The cleaning compositions and/or formulations include a bleaching component comprising a peroxy compound and one or more activators present in an effective amount to activate the peroxy compound to accomplish bleaching or cleaning or oxidation. The activator is a metallocarbene of the general structure (XX?C)yMLn? where M represents a metal center, C represents the carbene carbon bound to the metal center, X and X? may be the same or different and may furthermore be part of a cyclic structure, Ln? represents one or more other ligands which may or may not include one or more metal centers, and where y greater than equal to I.Type: ApplicationFiled: May 18, 2011Publication date: June 6, 2013Applicant: Arkema Inc.Inventors: Shui-Ping Zhu, Michael B. Abrams, Xiawei Zhang, Xue Wang
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Publication number: 20130089533Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 15% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: ApplicationFiled: October 2, 2012Publication date: April 11, 2013Applicant: Arkema Inc.Inventors: Shui-Ping Zhu, Stephen W. Carson, Xue Wang, Nikola Juhasz
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Publication number: 20130089621Abstract: Disinfectant compositions include 0.001 to 10% by weight of hydrogen peroxide or a hydrogen peroxide source based on the total weight of the composition; 0.001 to 20% by weight of at least one amphoteric surfactant based on the total weight of the composition; and 0.001 to 0.8% by weight of at least one alkali metal or alkaline earth metal salt of a cyclic or heterocyclic aromatic compound comprising at least one hydroxyl group, carboxylic group, or combination thereof based on the total weight of the composition. The disinfectant compositions are particularly effective at treating surfaces contaminated with resistant bacteria, such as Staphylococcus aureus at a fast killing rate.Type: ApplicationFiled: October 5, 2011Publication date: April 11, 2013Applicant: Arkema Inc.Inventors: Shui-Ping Zhu, Stephen W. Carson, Xue Wang
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Publication number: 20120288570Abstract: A hydrogen peroxide composition comprises hydrogen peroxide, a stabilizer system comprising a colloidal stannate, at least one acidifying agent or a salt thereof selected from the group consisting of sulfur-containing acidifying agents, nitric acid, and mixtures and salts thereof. Optionally, the hydrogen peroxide composition comprises an organic phosphonic acid or a salt thereof, such as amino-phosphonate, and/or a free radical scavenger, such as salicylic acid. A cleaning formulation comprises the hydrogen peroxide composition, a pH adjusting agent, and optionally other additives, such as surfactants. The cleaning formulation may be made by mixing the hydrogen peroxide or a precursor thereof, water, colloidal stannate, and at least one acidifying agent, and optionally, adjusting the pH to achieve an alkaline pH.Type: ApplicationFiled: December 21, 2010Publication date: November 15, 2012Applicant: Arkema, Inc.Inventors: Shui-Ping Zhu, Stephen W. Carson, Keith R. Genco
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Publication number: 20120129755Abstract: The present invention relates to a liquid cleaning composition comprising a peroxygen bleach, a sulfonated anionic surfactant and an amphoteric/zwitterionic surfactant where the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants are in a ratio of from 0.1:1 to 13:1. The combination of the sulfonated anionic surfactant and the amphoteric/zwitterionic surfactants provides for high viscosities and improved cleaning performance.Type: ApplicationFiled: August 4, 2010Publication date: May 24, 2012Applicant: Arkema Inc.Inventors: Shui-Ping Zhu, Keith R. Genco, Stephen W. Carson
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Patent number: 7387992Abstract: A laundry detergent composition comprising from about 0.1% to about 80%, by weight of the composition, of a polyamine mono-anionic surfactant; and a solubiliser; in a defined weight ratio. Also, a process of making the polyamine mono-anionic surfactant and the laundry compositions containing the same.Type: GrantFiled: March 15, 2005Date of Patent: June 17, 2008Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.Inventors: Feng-Lung Gordon Hsu, Shui-Ping Zhu, Mei Shi
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Patent number: 7291582Abstract: An aqueous liquid laundry detergent composition comprising an alkoxylated carboxylic acid surfcatant and a free radical scavenger in the mole ratio of from about 500:1 to about 20:1. The composition substantially prevents the degradation of the alkoxylated ester surfactant upon storage and is also color-stable.Type: GrantFiled: September 20, 2005Date of Patent: November 6, 2007Assignee: Conopco, Inc., d/b/a UnileverInventors: Feng-lung Gordon Hsu, Shui-Ping Zhu
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Patent number: 7205268Abstract: A low-foaming aqueous liquid laundry detergent composition comprising from about 0.05% to about 6%, by weight of the composition, of certain carboxylic acid ester and/or low-degree alkoxylated derivatives thereof having HLB below about 10; from about 8% to about 80% of a surfactant; from about 15% to about 90% of water. The compositions are particularly suitable for use in front-loading laundry washing machines.Type: GrantFiled: February 4, 2005Date of Patent: April 17, 2007Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.Inventors: Feng-Lung Gordon Hsu, Shui-Ping Zhu
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Publication number: 20070066504Abstract: An aqueous liquid laundry detergent composition comprising an alkoxylated carboxylic acid surfcatant and a free radical scavenger in the mole ratio of from about 500:1 to about 20:1. The composition substantially prevents the degradation of the alkoxylated ester surfactant upon storage and is also color-stable.Type: ApplicationFiled: September 20, 2005Publication date: March 22, 2007Inventors: Feng-lung Hsu, Shui-Ping Zhu