Patents by Inventor Wei Cen
Wei Cen 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: 11929585Abstract: A mixer-based microwave signal generation device is provided, and the mixer-based microwave signal generation device includes a microwave local oscillator source, a mixer, a first filter, a laser, an electro-optic modulator, an optical signal delayer, a photodetector, a second filter, an amplifier and a passive power divider.Type: GrantFiled: September 29, 2021Date of Patent: March 12, 2024Assignee: INSTITUTE OF SEMICONDUCTORS, CHINESE ACADEMY OF SCIENCESInventors: Ming Li, Tengfei Hao, Qizhuang Cen, Yitang Dai, Nuannuan Shi, Wei Li
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Patent number: 11929788Abstract: Disclosed is a microwave photonic Ising machine, including: a closed loop including a phase and electro-optical conversion module and a storage, correlation and photoelectric conversion module connected in turn; a laser light source configured to generate and input an optical signal to the phase and electro-optical conversion module; and a microwave pulse local oscillator source configured to generate and input a microwave pulse signal to the phase and electro-optical conversion module. The phase and electro-optical conversion module is configured to modulate the microwave pulse signal, the optical signal, and a phase-specific two-phase microwave pulse spin electrical signal input from the storage, correlation and photoelectric conversion module to obtain and input a phase-specific two-phase microwave pulse spin optical signal to the storage, correlation and photoelectric conversion module for storage and correlation.Type: GrantFiled: November 22, 2021Date of Patent: March 12, 2024Assignee: INSTITUTE OF SEMICONDUCTORS, CHINESE ACADEMY OF SCIENCESInventors: Ming Li, Tengfei Hao, Yao Meng, Qizhuang Cen, Yitang Dai, Nuannuan Shi, Wei Li
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Patent number: 11840508Abstract: A catalyst system for olefin polymerization contains a main catalyst and a cocatalyst. The cocatalyst contains a twelve-membered ring compound represented by formula (M). The catalyst system is suitable for preparing polypropylene products having high stereoregularity and low ash, and can regulate the melt index of the products within a wide range by adjusting the amount of hydrogenation. It is also suitable for copolymerization systems to improve the copolymerization yield.Type: GrantFiled: July 24, 2020Date of Patent: December 12, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jie Lin, Xiaofan Zhang, Ting Huang, Junhui Zhang, Junling Zhou, Zhufang Sun, Xianzhi Xia, Hui Zhao, Zifang Guo, Jin Zhao, Haitao Liu, Meiyan Fu, Jigui Zhang, Lin Qi, Lian Yan, Wei Cen, Yu Wang
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Publication number: 20230391902Abstract: A magnesium-based solid, by means of determination based on a nitrogen adsorption method, has a multimodal pore distribution and a specific surface area of not less than 50 m2/g, and the pore size distribution of the solid is in a range of 1 nm to 300 nm. There is at least one peak within a pore size range of less than 10 nm, and there is at least another peak within a pore size range of not less than 10 nm. A catalyst is formed using the solid catalyst component is used for propylene polymerization.Type: ApplicationFiled: October 15, 2021Publication date: December 7, 2023Inventors: Wei CEN, Junling ZHOU, Meiyan FU, Lian YAN, Zhan SHI, Xiaofan ZHANG, Xianzhi XIA, Zhengyang GUO, Jigui ZHANG, Jie LIN, Lin QI, Tianyi ZHANG, Junhui ZHANG, Hui ZHAO, Yu WANG, Ying WANG
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Publication number: 20220251016Abstract: A catalyst system for olefin polymerization contains a main catalyst and a cocatalyst. The cocatalyst contains a twelve-membered ring compound represented by formula (M). The catalyst system is suitable for preparing polypropylene products having high stereoregularity and low ash, and can regulate the melt index of the products within a wide range by adjusting the amount of hydrogenation. It is also suitable for copolymerization systems to improve the copolymerization yield.Type: ApplicationFiled: July 24, 2020Publication date: August 11, 2022Inventors: Jie LIN, Xiaofan ZHANG, Ting HUANG, Junhui ZHANG, Junling ZHOU, Zhufang SUN, Xianzhi XIA, Hui ZHAO, Zifang GUO, Jin ZHAO, Haitao LIU, Meiyan FU, Jigui ZHANG, Lin QI, Lian YAN, Wei CEN, Yu WANG
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Publication number: 20120107259Abstract: A personal care composition and a method of using personal care compositions which results in increased fragrance retention when such compositions are applied to a keratin surface including hair and skin. The personal care compositions contain a quaternary ammonium compound, one or more fragrances, and a personal care acceptable carrier.Type: ApplicationFiled: November 1, 2011Publication date: May 3, 2012Applicant: Elementis Specialties, Inc.Inventors: Raymond Wei CEN, Binhua YANG, Timothy Patrick KENNY
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Patent number: 6488943Abstract: The present invention relates to an antimicrobial wipe effective against Gram positive bacteria, Gram negative bacteria, fungi, yeasts, molds, and viruses comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition an One-wash Immediate Germ Reduction Index of greater than about 1.Type: GrantFiled: March 27, 2000Date of Patent: December 3, 2002Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken Schuette, Raymond Wei Cen
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Patent number: 6482423Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Positive Residual Effectiveness Index of greater than about 0.5; and wherein the antimicrobial cleansing composition has a Mildness Index of less than about 0.3.Type: GrantFiled: March 27, 2000Date of Patent: November 19, 2002Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken Schuette, Raymond Wei Cen, Mannie Lee Clapp, Raphael Warren
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Patent number: 6428799Abstract: The present invention relates to a substantially dry, disposable personal care article suitable for cleansing and/or therapeutically treating comprising a water insoluble substrate which comprises a non-scouring, lofty, low density batting layer which comprises synthetic fibers and wherein said batting layer exhibits a number of physical properties either individually or in combination which are believed to contribute to the overall effectiveness of the personal care article of the present invention. The physical properties of the batting include a Lather Permeability of at least 0.2 g/sec at 7 cm H2O, a Lather Permeability Critical Pressure of less than about 4 cm H2O, an Air Permeability of at least 900 ft3/min/ft2, a Compression Relaxation Hysteresis Value of from about 25% to about 60%, and an Abrasiveness Value of greater than about 15. These articles have been found to be particularly useful for personal cleansing applications, namely for the skin and hair.Type: GrantFiled: November 19, 1999Date of Patent: August 6, 2002Assignee: The Procter & Gamble CompanyInventors: Raymond Wei Cen, Nichola Jacqueline Phipps, Edward Dewey Smith, III
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Patent number: 6413529Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3. The invention also relates to these antibacterial wipes wherein the antimicrobial cleansing composition has a Mildness Index of greater than about 0.3.Type: GrantFiled: March 27, 2000Date of Patent: July 2, 2002Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Raymond Wei Cen, Theresa Anne Bakken Schuette
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Patent number: 6287577Abstract: The present invention relates to a leave-on antimicrobial composition comprising from about 0.001% to about 5% of an antimicrobial active; from about 0.05% to about 10% of an anionic surfactant; from about 0.1% to about 10% of a proton donating agent; and from about 0% to about 99.85% of water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the leave-on antimicrobial composition has a Gram Positive Residual Effectiveness Index of greater than about 0.5; and wherein the leave-on antimicrobial composition has a Mildness Index of greater than 0.3. The invention also encompasses methods for cleansing skin and providing residual effectiveness versus Gram positive bacteria using these products.Type: GrantFiled: November 12, 1997Date of Patent: September 11, 2001Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken, Wei Cen, Mannie Lee Clapp, Raphael Warren
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Patent number: 6284259Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Positive Residual Effectiveness Index of greater than about 0.5; and wherein the antimicrobial cleansing composition has a Mildness Index of less than about 0.3.Type: GrantFiled: November 12, 1997Date of Patent: September 4, 2001Assignee: The Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Theresa Anne Bakken, Wei Cen, Mannie Lee Clapp, Raphael Warren
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Patent number: 6197315Abstract: The present invention relates to an antimicrobial wipe comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3. The invention also relates to these antibacterial wipes wherein the antimicrobial cleansing composition has a Mildness Index of greater than about 0.3.Type: GrantFiled: June 4, 1997Date of Patent: March 6, 2001Assignee: Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Wei Cen, Theresa Anne Bakken
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Patent number: 6190675Abstract: The present invention relates to a rinse-off antimicrobial cleansing composition comprising from about 0.001% to about 5% of an antimicrobial active, from about 1% to about 80% of an anionic surfactant, from about 0.1% to about 12% of a proton donating agent; and from about 3% to about 98.899% of water, wherein the composition is adjusted to a pH of from about 3.0 to about 6.0, wherein the rinse-off antimicrobial cleansing composition has a Gram Positive Residual Effectiveness Index of greater than about 1.8, and wherein the rinse-off antimicrobial cleansing composition has a Mildness Index of greater than 0.3. The invention also encompasses methods for cleansing skin and providing residual effectiveness versus Gram positive bacteria using these products.Type: GrantFiled: November 12, 1997Date of Patent: February 20, 2001Assignee: Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Wei Cen, Theresa Anne Bakken, Mannie Lee Clapp, Raphael Warren
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Patent number: 6183763Abstract: The present invention relates to an antimicrobial wipe effective against Gram positive bacteria, Gram negative bacteria, fungi, yeasts, molds, and viruses comprising a porous or absorbent sheet impregnated with an antimicrobial cleansing composition, wherein the antimicrobial cleansing composition comprises from about 0.001% to about 5.0%, by weight of the antimicrobial cleansing composition, of an antimicrobial active; from about 0.05% to about 10%, by weight of the antimicrobial cleansing composition, of an anionic surfactant; from about 0.1% to about 10%, by weight of the antimicrobial cleansing composition, of a proton donating agent; and from about 3% to about 99.85%, by weight of the antimicrobial cleansing composition, water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the antimicrobial cleansing composition an One-wash Immediate Germ Reduction Index of greater than about 1.Type: GrantFiled: June 4, 1997Date of Patent: February 6, 2001Assignee: Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Wei Cen, Theresa Anne Bakken
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Patent number: 6183757Abstract: The present invention relates to a rinse-off antimicrobial cleansing composition effective against Gram positive bacteria, Gram negative bacteria, fungi, yeasts. molds and viruses comprising from about 0.001% to about 5% of an antimicrobial active; from about 1% to about 80% of an anionic surfactant; from about 0.1% to about 12% of a proton donating agent; and from about 3% to about 98.899% of water; wherein the composition is adjusted to a pH of from about 3.0 to about 6.0; wherein the rinse-off antimicrobial cleansing composition has an One-wash Immediate Germ Reduction Index of greater than about 2.5. The invention also encompasses methods for reducing the number of germs from the skin using these products.Type: GrantFiled: June 4, 1997Date of Patent: February 6, 2001Assignee: Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Wei Cen, Theresa Anne Bakken
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Patent number: 5968539Abstract: The present invention relates to a rinse-off antimicrobial cleansing composition comprising from about 0.001% to about 5% of an antimicrobial active, from about 1% to about 80% of an anionic surfactant, from about 0.1% to about 12% of a proton donating agent; and from about 3% to about 98.899% of water, wherein the composition is adjusted to a pH of from about 3.0 to about 6.0, wherein the rinse-off antimicrobial cleansing composition has a Gram Negative Residual Effectiveness Index of greater than about 0.3, and wherein the rinse-off antimicrobial cleansing composition has a Mildness Index of greater than 0.3. The invention also encompasses methods for cleansing skin and providing residual effectiveness versus Gram negative bacteria using these products.Type: GrantFiled: June 4, 1997Date of Patent: October 19, 1999Assignee: Procter & Gamble CompanyInventors: Peter William Beerse, Jeffrey Michael Morgan, Kathleen Grieshop Baier, Wei Cen, Theresa Anne Bakken
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Patent number: D883248Type: GrantFiled: April 8, 2019Date of Patent: May 5, 2020Assignee: YEALINK (XIAMEN) NETWORK TECHNOLOGY CO., LTD.Inventors: Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Jing Feng Su, Lian Chang Zhang, Ji Wei Zhou
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Patent number: D885360Type: GrantFiled: September 14, 2017Date of Patent: May 26, 2020Assignee: YEALINK (XIAMEN) NETWORK TECHNOLOGY CO., LTD.Inventors: Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Jing Feng Su, Lian Chang Zhang, Ji Wei Zhou
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Patent number: D886075Type: GrantFiled: April 8, 2019Date of Patent: June 2, 2020Assignee: YEALINK (XIAMEN) NETWORK TECHNOLOGY CO., LTD.Inventors: Jian Cheng Zhang, Wei Cen Xu, Chun Sheng Su, Jing Feng Su, Lian Chang Zhang, Ji Wei Zhou