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).

  • Publication number: 20230054620
    Abstract: 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: Application
    Filed: November 3, 2020
    Publication date: February 23, 2023
    Inventors: Xiaoyun PAN, Weizheng ZHOU, Yi TANG, Siqi LEI
  • Publication number: 20210378935
    Abstract: 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: Application
    Filed: October 8, 2019
    Publication date: December 9, 2021
    Inventors: Han Cao, Hong Chen, Xin Chen, Amitava PRAMANIK, Zhengzhong Shao, Jinrong Yao, Weizheng ZHOU
  • Publication number: 20200368120
    Abstract: 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: Application
    Filed: November 30, 2018
    Publication date: November 26, 2020
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Guanghui MA, Xiangming NA, Amitava PRAMANIK, Weiqing ZHOU, Weizheng ZHOU
  • Publication number: 20200360266
    Abstract: 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: Application
    Filed: October 9, 2018
    Publication date: November 19, 2020
    Inventors: Han CAO, Hong CHEN, Xin CHEN, Amitava PRAMANIK, Zhengzhong SHAO, Jinrong YAO, Weizheng ZHOU
  • Patent number: 9890371
    Abstract: 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: Grant
    Filed: October 9, 2014
    Date of Patent: February 13, 2018
    Assignee: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES
    Inventors: Zhenhong Yuan, Cuiyi Liang, Jingliang Xu, Xiaoyan Chen, Xinshu Zhuang, Yu Zhang, Ying Guo, Weizheng Zhou
  • Publication number: 20160362669
    Abstract: 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: Application
    Filed: October 9, 2014
    Publication date: December 15, 2016
    Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES
    Inventors: Zhenhong Yuan, Cuiyi Liang, Jingliang Xu, Xiaoyan Chen, Xinshu Zhuang, Yu Zhang, Ying Guo, Weizheng Zhou
  • Patent number: 9220665
    Abstract: 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: Grant
    Filed: September 12, 2012
    Date of Patent: December 29, 2015
    Assignee: Conopco, Inc.
    Inventors: Alexander Thomas Ashcroft, Jian Cao, Shouwei Ma, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Patent number: 9161889
    Abstract: 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: Grant
    Filed: March 20, 2013
    Date of Patent: October 20, 2015
    Assignee: Conopco Inc.
    Inventors: Julie Savine Camille Guery, Edward George Pelan, Lin Wang, Weizheng Zhou
  • Publication number: 20150086493
    Abstract: 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: Application
    Filed: March 20, 2013
    Publication date: March 26, 2015
    Inventors: Julie Savine Camille Guery, Edward George Pelan, Lin Wang, Weizheng Zhou
  • Publication number: 20150050322
    Abstract: 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: Application
    Filed: September 12, 2012
    Publication date: February 19, 2015
    Inventors: Alexander Thomas Ashcroft, Jian Cao, Shouwei Ma, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Patent number: 8597708
    Abstract: 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: Grant
    Filed: October 3, 2007
    Date of Patent: December 3, 2013
    Assignee: Conopco, Inc.
    Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20130079419
    Abstract: 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: Application
    Filed: May 6, 2011
    Publication date: March 28, 2013
    Inventors: Qiqing Zhang, Ezat Khoshdel, Teanoosh Moaddel, Brian John Dobkowski, Weizheng Zhou, Su Yuan
  • Publication number: 20120288921
    Abstract: 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: Application
    Filed: July 27, 2010
    Publication date: November 15, 2012
    Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES
    Inventors: Zhenhong Yuan, Kang Yang, Zhongming Wang, Shunni Zhu, Changhua Shang, Weizheng Zhou
  • Patent number: 8309154
    Abstract: 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: Grant
    Filed: November 22, 2006
    Date of Patent: November 13, 2012
    Assignee: Conopco, Inc.
    Inventors: Ya Cai, Jian Cao, Matthew Duncan Golding, Weichang Liu, Vesselin Nikolaev Paunov, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20110081484
    Abstract: 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: Application
    Filed: June 4, 2009
    Publication date: April 7, 2011
    Inventors: Jian Cao, Weichang Liu, Xiaoli Wang, Weizheng Zhou
  • Publication number: 20100291280
    Abstract: 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: Application
    Filed: September 11, 2007
    Publication date: November 18, 2010
    Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N De Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20100186420
    Abstract: 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: Application
    Filed: October 1, 2007
    Publication date: July 29, 2010
    Inventors: Mark John Berry, Andrew Richard Cox, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20100189857
    Abstract: 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: Application
    Filed: September 13, 2007
    Publication date: July 29, 2010
    Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20100189867
    Abstract: 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: Application
    Filed: October 3, 2007
    Publication date: July 29, 2010
    Inventors: Theodorus Berend Jan Blijdenstein, Jian Cao, Petrus Wilhelmus N. de Groot, Weichang Liu, Simeon Dobrev Stoyanov, Weizheng Zhou
  • Publication number: 20090306223
    Abstract: 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: Application
    Filed: November 22, 2006
    Publication date: December 10, 2009
    Inventors: Ya Cai, Jian Cao, Matthew Duncan Golding, Weichang Liu, Vesselin Nikolaev Paunov, Edward George Pelan, Simeon Dobrev Stoyanov, Weizheng Zhou