Patents by Inventor Weizheng Zhou
Weizheng Zhou 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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Publication number: 20230054620Abstract: Disclosed is a microcapsule comprising: (i) a core comprising a benefit agent; and (ii) a shell comprising silica; wherein said shell comprises plate-like inorganic materials having an average thickness of 1-1000 nm; wherein said benefit agent is fragrance, pro-fragrance, hair conditioning agent, anti-dandruff agent, moisturizers, emollients, dyes and/or pigments, colour care additives (including dye fixing agents), or a mixture thereof.Type: ApplicationFiled: November 3, 2020Publication date: February 23, 2023Inventors: Xiaoyun PAN, Weizheng ZHOU, Yi TANG, Siqi LEI
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Publication number: 20210378935Abstract: The invention relates to a cosmetic composition comprising a low molecular weight silk fibroin and a cosmetically acceptable carrier; wherein said low molecular weight silk fibroin comprises at least 85 parts by weight peptides of molecular weight less than 2500 Da, where amino acid sequence of at least 50 wt % of said peptides is GAGY, GAGAGAGY, GAGVGAGY or AWSSESDF and where said silk fibroin is produced by a process comprising the steps of: (i) mixing an aqueous solution comprising 0.01 to 20 wt % of a high molecular weight silk fibroin of weight average molecular weight 6 to 100 KDa with ochymotrypsin at temperature of 25 to 45° C.Type: ApplicationFiled: October 8, 2019Publication date: December 9, 2021Inventors: Han Cao, Hong Chen, Xin Chen, Amitava PRAMANIK, Zhengzhong Shao, Jinrong Yao, Weizheng ZHOU
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Publication number: 20200368120Abstract: Disclosed are porous composite particles and compositions comprising the same. The porous composite particles comprising base of an amphiphilic or hydrophobic polymer and 0.1 to 20% of a pigment based on the total weight of porous composite particles, where said particles have 50 to 95 vol % internal porosity and an outer surface which is either continuous and devoid of pores or is discontinuous comprising plurality of pores whose total area is 0.01 to 30% of the total outer surface area. When typically applied, the compositions impart improving the characteristics of skin.Type: ApplicationFiled: November 30, 2018Publication date: November 26, 2020Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Guanghui MA, Xiangming NA, Amitava PRAMANIK, Weiqing ZHOU, Weizheng ZHOU
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Publication number: 20200360266Abstract: The invention relates to a hair care composition for reducing hair breakage, and delivering hair repair, lubrication, strengthening and smoothness benefit. The benefits are delivered through a composition a hair care composition comprising: (i) silk fibroin derived from silkworm Bombyx mori; (ii) cationic compound selected from oligo chitosan or an amino acid; and, (iii) a cosmetically acceptable vehicle.Type: ApplicationFiled: October 9, 2018Publication date: November 19, 2020Inventors: Han CAO, Hong CHEN, Xin CHEN, Amitava PRAMANIK, Zhengzhong SHAO, Jinrong YAO, Weizheng ZHOU
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Patent number: 9890371Abstract: The present invention discloses thermophilic ethanol-resistant ?-glucosidase and an encoding gene and application thereof. The amino acid sequence of the thermophilic ethanol-resistant ?-glucosidase of the present invention is as shown in SEQ ID NO: 2, and the nucleotide sequence of the encoding gene is as shown in SEQ ID NO: 1.Type: GrantFiled: October 9, 2014Date of Patent: February 13, 2018Assignee: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCESInventors: Zhenhong Yuan, Cuiyi Liang, Jingliang Xu, Xiaoyan Chen, Xinshu Zhuang, Yu Zhang, Ying Guo, Weizheng Zhou
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Publication number: 20160362669Abstract: The present invention discloses thermophilic ethanol-resistant ?-glucosidase and an encoding gene and application thereof. The amino acid sequence of the thermophilic ethanol-resistant ?-glucosidase of the present invention is as shown in SEQ ID NO: 2, and the nucleotide sequence of the encoding gene is as shown in SEQ ID NO: 1.Type: ApplicationFiled: October 9, 2014Publication date: December 15, 2016Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCESInventors: Zhenhong Yuan, Cuiyi Liang, Jingliang Xu, Xiaoyan Chen, Xinshu Zhuang, Yu Zhang, Ying Guo, Weizheng Zhou
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Patent number: 9220665Abstract: The invention provides an oral care composition comprising: (a) a continuous phase comprising water or polyhydric alcohol or a mixture thereof; and (b) a particulate calcium carbonate abrasive composed of primary particles which are acicular and which have a length of 2 microns or greater; in which the level of the particulate calcium carbonate abrasive ranges from 10 to 70%, preferably from 20 to 60%, more preferably from 30 to 40%, by total weight of the particulate calcium carbonate abrasive based on the total weight of the composition. The composition of the invention demonstrates satisfactory levels of cleaning, yet is not unduly abrasive and damaging to the teeth.Type: GrantFiled: September 12, 2012Date of Patent: December 29, 2015Assignee: Conopco, Inc.Inventors: Alexander Thomas Ashcroft, Jian Cao, Shouwei Ma, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
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Patent number: 9161889Abstract: Disclosed is a non-aqueous oral care composition comprising an organoclay, carrier humectant and a calcium source. The non-aqueous oral care composition of the present invention is stable, has rheological characteristics of a hydrous oral care composition, and does not require a manufacturing step of heating and cooling.Type: GrantFiled: March 20, 2013Date of Patent: October 20, 2015Assignee: Conopco Inc.Inventors: Julie Savine Camille Guery, Edward George Pelan, Lin Wang, Weizheng Zhou
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Publication number: 20150086493Abstract: Disclosed is a non-aqueous oral care composition comprising an organoclay, carrier humectant and a calcium source. The non-aqueous oral care composition of the present invention is stable, has rheological characteristics of a hydrous oral care composition, and does not require a manufacturing step of heating and cooling.Type: ApplicationFiled: March 20, 2013Publication date: March 26, 2015Inventors: Julie Savine Camille Guery, Edward George Pelan, Lin Wang, Weizheng Zhou
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Publication number: 20150050322Abstract: The invention provides an oral care composition comprising: (a) a continuous phase comprising water or polyhydric alcohol or a mixture thereof; and (b) a particulate calcium carbonate abrasive composed of primary particles which are acicular and which have a length of 2 microns or greater; in which the level of the particulate calcium carbonate abrasive ranges from 10 to 70%, preferably from 20 to 60%, more preferably from 30 to 40%, by total weight of the particulate calcium carbonate abrasive based on the total weight of the composition. The composition of the invention demonstrates satisfactory levels of cleaning, yet is not unduly abrasive and damaging to the teeth.Type: ApplicationFiled: September 12, 2012Publication date: February 19, 2015Inventors: Alexander Thomas Ashcroft, Jian Cao, Shouwei Ma, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
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Patent number: 8597708Abstract: A food composition comprising gas bubbles is provided. It contains based on the food composition at least 10 wt. % of water, optionally fat, wherein the amount of fat and water taken together is at least 60 wt. % and less than 99 wt. %, at least 1 vol. % and less than 70 vol. % of gas, fiber particles and surface active particles. The volume weighted mean diameter of the surface active particles (d2) is smaller than the length of the fiber particles (L). Also a process is provided to prepare the product. The process includes the steps of incorporating surface active particles and fiber particles in a liquid food composition, incorporating gas in said liquid composition and packing the food composition.Type: GrantFiled: October 3, 2007Date of Patent: December 3, 2013Assignee: Conopco, Inc.Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20130079419Abstract: A high solvent content emulsion having solvent, functionalized polymer and particles having an isoelectric point below the pH of the emulsion is described. The emulsion yields excellent sensory and deliverability benefits and is suitable for use as a carrier for consumer-based end use compositions.Type: ApplicationFiled: May 6, 2011Publication date: March 28, 2013Inventors: Qiqing Zhang, Ezat Khoshdel, Teanoosh Moaddel, Brian John Dobkowski, Weizheng Zhou, Su Yuan
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Publication number: 20120288921Abstract: A solar powered spectral photosynthetic bioreactor system for culturing microalgae at high density, the system comprising a photobioreactor and further comprising a solar collector, optical fiber, an illuminant device within the photobioreactor, and a residual gas absorption device and culture medium separation and recovery device each connected to the photobioreactor; the illuminant device having one end connected to a spectral light intensity adjusting device installed above the photobioreactor; the adjusting device connected to the solar collector via the optical fiber; a gas distributor provided between the underside of the illuminant device and a base part of the photobioreactor; the distributor connected to an output end of a gas mixing device.Type: ApplicationFiled: July 27, 2010Publication date: November 15, 2012Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCESInventors: Zhenhong Yuan, Kang Yang, Zhongming Wang, Shunni Zhu, Changhua Shang, Weizheng Zhou
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Patent number: 8309154Abstract: There is provided a surface-active material that comprises fibers which have been modified so as to impart surface-active properties onto said fibres and giving it a contact angle between 60° and 120°, wherein the fibres have an aspect ratio of more than 10 to 1,000. The surface-active material can be used for foam and emulsion formation and stabilization, coatings, encapsulation and drug delivery. It can for example be used in the following industries: foods, home and personal care, oilfield, agriculture, textile, construction, emulsion polymerization, leather, plastic, pulp, paper and pharma.Type: GrantFiled: November 22, 2006Date of Patent: November 13, 2012Assignee: Conopco, Inc.Inventors: Ya Cai, Jian Cao, Matthew Duncan Golding, Weichang Liu, Vesselin Nikolaev Paunov, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20110081484Abstract: Process for producing a core shell particle comprising the steps of: a. Introducing inorganic particles into an aqueous phase b. Adding a hydrophobic substance and making an emulsion of the hydrophobic substance in the aqueous phase c. Adding inorganic particles precursors to the emulsion until an inorganic shell made from inorganic particles precursors and inorganic particles of step a. is created around hydrophobic droplets.Type: ApplicationFiled: June 4, 2009Publication date: April 7, 2011Inventors: Jian Cao, Weichang Liu, Xiaoli Wang, Weizheng Zhou
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Publication number: 20100291280Abstract: A food composition comprising gas bubbles is provided. It contains based on the food composition at least 10 wt % and less than 95 wt % of water, at least 0.5 wt % and less than 20 wt % of protein, at least 1 vol. % and less than 70 vol. % of gas, at least 0.001 wt % and less than 10 wt % fibre particles and at least 0.001 wt % and less than 10 wt % surface active particles. Also a process is provided to prepare the product. The process includes the steps of incorporating surface active particles and fibre particles in a liquid food composition, incorporating gas in said liquid composition and packing the food composition.Type: ApplicationFiled: September 11, 2007Publication date: November 18, 2010Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N De Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20100186420Abstract: The invention relates to a frozen aerated frozen food product having an overrun of at least 30% comprising 0.001 to 10 weight-% (wt-%), based on the total weight of the frozen aerated food product, of surface-active fibres.Type: ApplicationFiled: October 1, 2007Publication date: July 29, 2010Inventors: Mark John Berry, Andrew Richard Cox, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20100189857Abstract: There is provided an aerated food product in the form of a stable foam, comprising 5-80 vol. % gas bubbles, 15-90 wt. % water and 0.01 to 10 wt. % fibres, assembled with surface-active particles at the air-water interface due to attractive interaction between the surface-active particles and the fibres. Also provided is a process for preparing said foam.Type: ApplicationFiled: September 13, 2007Publication date: July 29, 2010Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20100189867Abstract: A food composition comprising gas bubbles is provided. It contains based on the food composition at least 10 wt. % of water, optionally fat, wherein the amount of fat and water taken together is at least 60 wt. % and less than 99 wt. %, at least 1 vol. % and less than 70 vol. % of gas, fibre particles and surface active particles. The volume weighted mean diameter of the surface active particles (d2) is smaller than the length of the fibre particles (L). Also a process is provided to prepare the product. The process includes the steps of incorporating surface active particles and fibre particles in a liquid food composition, incorporating gas in said liquid composition and packing the food composition.Type: ApplicationFiled: October 3, 2007Publication date: July 29, 2010Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N. de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
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Publication number: 20090306223Abstract: There is provided a surface-active material that comprises fibres which have been modified so as to impart surface-active properties onto said fibres and giving it a contact angle between 60° and 120°, wherein the fibres have an aspect ratio of more than 10 to 1,000. The surface-active material can be used for foam and emulsion formation and stabilisation, coatings, encapsulation and drug delivery. It can for example be used in the following industries: foods, home and personal care, oilfield, agriculture, textile, construction, emulsion polymerisation, leather, plastic, pulp, paper and pharma.Type: ApplicationFiled: November 22, 2006Publication date: December 10, 2009Inventors: Ya Cai, Jian Cao, Matthew Duncan Golding, Weichang Liu, Vesselin Nikolaev Paunov, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou