Patents by Inventor Yanhua Zhang

Yanhua Zhang 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: 20240425730
    Abstract: The present application provides a resin composition, and the resin composition comprises the following components: (A) a resin containing unsaturated bonds, (B) an initiator, and (C) an inorganic filler which has been subjected to surface treatment by a silane coupling agent; the silane coupling agent contains a structure shown in formula (I). In the present application, the inorganic filler is subjected to surface treatment by a silane coupling agent containing the structure shown in formula (I), which can improve the binding force at the interface between the inorganic filler and the unsaturated resin matrix, and the prepared insulating adhesive film has excellent dielectric properties, good dielectric stability, and a small change amplitude of ?Df (10 GHz) after HAST, which can be applied to a high-frequency and high-speed printed circuit board prepared by a semi-additive process or additive process.
    Type: Application
    Filed: October 30, 2023
    Publication date: December 26, 2024
    Inventors: Zengbiao HUANG, Jianlong HUANG, Yanhua ZHANG
  • Patent number: 12095898
    Abstract: A blockchain-based privacy protection method for a CCN includes: executing, by a trusted AAC, an initialization algorithm to generate common parameters and a master key, generating a public key and a private key for each consumer and publisher, and randomly generating, by the trusted AAC, its own public key and private key; calculating a public key, and generating ciphertext and uploading the ciphertext to a CSP; performing transaction on-chaining; and during decryption, finding, by the consumer, transaction information of the content on the consortium blockchain, sending an interest packet based on the transaction information, and obtaining ciphertext CT through a storage address in the transaction information; generating, by the consortium blockchain, an access transaction based on access information of the consumer; sending the ciphertext CT to the consumer through a data packet; and locally decrypting, by the consumer, the ciphertext CT, and verifying correctness of the content.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: September 17, 2024
    Assignee: Zhengzhou University of Light Industry
    Inventors: Jianwei Zhang, Haiyan Sun, Zengyu Cai, Liang Zhu, Shujun Liang, Erlin Tian, Huanlong Zhang, Yanhua Zhang, Xi Chen
  • Publication number: 20240294731
    Abstract: A resin composition and the use thereof. The resin composition comprises the following components, in percentages by weight: 40-70% of a crosslinkable and curable resin and 30-60% of a filler. The filler is silicon dioxide prepared by means of an organosilicone hydrolysis method; the average particle size D50 of the silicon dioxide is 0.1-3 ?m; and the particle size ratio D100:D10 of the silicon dioxide is less than or equal to 2.5. By means of the composition, a prepared adhesive film and resin-coated copper foil have a higher elongation rate, a higher peel strength, low CTE, low Df, better drilling processability and higher electrical strength. A finer line processing capability can be achieved, which can be applied to a printed circuit board material of a multilayer laminate, in particular a printed circuit board material of a multilayer laminate of thin lines.
    Type: Application
    Filed: July 27, 2022
    Publication date: September 5, 2024
    Inventors: Qing WANG, Qianfa LIU, Dongliang LIU, Jinchao DONG, Songgang CHAI, Yongjing XU, Yanhua ZHANG
  • Publication number: 20240287282
    Abstract: The present invention provides a resin composition and an application thereof, the resin composition comprising the following components by weight percentage: 15-39% cross-linkable curable resin and 61-85% filler, the filler being silicon dioxide prepared by means of organosilicon hydrolysis, the average particle diameter D50 of the silicon dioxide being 0.1-3 ?m, the ratio of D100:D10 thereof being less than or equal to 2.5, and the purity of the silicon dioxide being greater than 99.9%. The resin composition of the present invention can make prepared adhesive films and resin-coated copper foils have relatively high tensile strength and peel strength, relatively good drilling processability, controllable fluidity, good filling ability, and higher electric strength, and can achieve finer line processing ability; it is a printed circuit board material applicable to multilayer laminates, especially a printed circuit board material for multilayer laminates of thin lines.
    Type: Application
    Filed: July 27, 2022
    Publication date: August 29, 2024
    Inventors: Naidong SHE, Qianfa LIU, Zengbiao HUANG, Yongjing XU, Songgang CHAI, Yanhua ZHANG
  • Publication number: 20240226861
    Abstract: The invention discloses a molecular sieve SCR catalyst and a preparation method, the preparation method comprising the steps of: (1) heating deionized water to 60-90° C., and adding a soluble copper salt and an additive to stir and dissolve the same to prepare a copper solution; (2) heating the deionized water to 20-90° ° C., adding a soluble yttrium salt to dissolve the same, and when maintaining the temperature, adding a molecular sieve with a silicon-aluminum ratio of ?24 and stirring the same; when maintaining the temperature, adding a copper solution and stirring to perform ion exchange; (3) cooling the solution after the ion exchange in step (2), adding an adhesive, stirring and ball-milling the mixture, and standing to obtain a slurry; (4) coating the slurry onto a support, drying and then calcining to obtain a molecular sieve SCR catalyst.
    Type: Application
    Filed: May 26, 2022
    Publication date: July 11, 2024
    Inventors: Xi FENG, Zhimin LIU, Rui SUN, Yun WANG, Yanhua ZHANG, Ruifang WANG, Kuan WEI, Haikun CHEN, Yineng LAI, Yaoqiang CHEN, Yun LI, Qizhang CHEN
  • Publication number: 20240218217
    Abstract: Thermosetting resin composition and insulating adhesive film. The thermosetting resin composition comprises 30-70 parts of epoxy resin, 5-500 parts of a modified spherical silica powder, and 30-70 parts of a curing agent; the modified spherical silica powder comprises an amino-modified spherical silica powder with a D50 particle size of 0.1-2.0 ?m and a coefficient of variation of ?35% in particle size distribution. By using modified spherical silica powder in epoxy resin system and controlling its D50 particle size and coefficient of variation in particle size distribution, the resin composition can reduce melt viscosity of high-filling system and achieve a low melt viscosity in an insulating adhesive film conducive to the filling of fine circuits. The resin composition for preparation of a build-up adhesive FC-BGA film of a high-filling system has strong bite-etching resistance, low surface roughness after Desmear treatment, high adhesive force with electroless copper and low dielectric loss.
    Type: Application
    Filed: November 30, 2023
    Publication date: July 4, 2024
    Inventors: Jinchao DONG, Naidong SHE, Yanhua ZHANG, Junqi TANG
  • Publication number: 20230322593
    Abstract: The present disclosure relates to the field of resource utilization-oriented treatment technologies for wastewater, and more particularly, to a resource utilization-oriented treatment method for a spent electroless nickel plating bath. The method includes oxidation de-complexation, synchronous precipitation of nickel and phosphorus, secondary precipitation of nickel, and resource utilization of sodium salt. In the present disclosure, in a reaction process, no sludge is generated to avoid secondary pollution to the environment. Further, the present disclosure has the advantages of short flow and less chemical use, greatly reducing treatment costs. In this way, this method is a low-cost and clean resource utilization-oriented treatment method capable of achieving resource utilization-oriented recovery of nickel, phosphorus, sodium, sulfate radical, or chlorine in the spent electroless nickel plating bath.
    Type: Application
    Filed: December 30, 2020
    Publication date: October 12, 2023
    Inventors: Shanting LI, Kan TAN, Wenbin XU, Yanhua ZHANG, Yongjun XIAO, Xinglin GUO, Long HE
  • Publication number: 20230264996
    Abstract: The present disclosure relates to the field of resource-oriented utilization technologies for wastewater salt muds and more particular to a resource-oriented utilization method for a high-salt salt mud containing sodium chloride and sodium sulfate. The method includes: performing two stages of oxidation, i.e. Fenton-like treatment and chlorine dioxide treatment, in sequence on a salt mud solution, and then replacing a sodium salt with an ammonium salt to prepare a pure alkali and a mixed ammonium salt. In the method, multi-stage oxidation process is performed to effectively use ingredients such as sodium chloride and sodium sulfate so as to thoroughly eliminate organic matters and heavy metals in the high-salt salt mud, and achieve resource-oriented utilization of the salt mud, thus saving burial treatment costs, and producing good economic benefits as well as good environmental benefits.
    Type: Application
    Filed: April 6, 2021
    Publication date: August 24, 2023
    Inventors: Long HE, Wenbin XU, Yanhua ZHANG, Kai ZHOU, Xinglin GUO
  • Patent number: 11673128
    Abstract: A method for preparing a molecular sieve SCR (selective catalytic reduction) catalyst and a prepared catalyst therethrough. In the method, several molecular sieves are mixed and modified by transition metal or rare-earth metal via ion exchange, then loaded Fe by equivalent-volume impregnation, and loaded Cu by one or more liquid ion exchange. This present invention, combined with several techniques, such as modification of stable molecular sieve by transition and rare-earth metal, Fe loading by equivalent-volume impregnation and Cu loading by one or more liquid ion exchange, and after through stable and effective modification and loading control, the obtained catalyst material is coated on a carrier substrate via size mixing and coating process to be prepared into an integral catalyst.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: June 13, 2023
    Assignee: Sinocat Environmental Technology Co., Ltd.
    Inventors: Zhimin Liu, Xi Feng, Yanhua Zhang, Dong Zeng, Jie Wen, Ganxue Wu, Ruifang Wang, Kuan Wei, Yun Li, Qizhang Chen, Yaoqiang Chen
  • Patent number: 11596932
    Abstract: Disclosed in the present invention is a tail gas treatment catalyst. The catalyst consists of a carrier, a first catalyst, and a second catalyst. The first catalyst and the second catalyst are provided on both ends of the carrier. The first catalyst can purify pollutants in tail gas. The second catalyst can purify a byproduct, ammonia, obtained by the purification by the first catalyst and pollutants that are not completely purified by the first catalyst. The second catalyst is of a double-layer structure; the lower layer consists of an oxygen storage material, aluminum oxide, and a second active component; the second active component is a composition of Pt and Pd, or a composition of Ce, Fe, Ni and Cu; the upper layer consists of a molecular sieve and a third active component; the third active component is Cu or a composition of Cu and Fe.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: March 7, 2023
    Assignee: Sinocat Environmental Technology Co., Ltd.
    Inventors: Yun Wang, Yi Dan, Hongyi Du, Zan Zhu, Tiantian Luo, Yanhua Zhang, Qin Wang, Yun Li, Qizhang Chen, Yongxiang Cheng
  • Publication number: 20230043852
    Abstract: A blockchain-based privacy protection method for a CCN includes: executing, by a trusted AAC, an initialization algorithm to generate common parameters and a master key, generating a public key and a private key for each consumer and publisher, and randomly generating, by the trusted AAC, its own public key and private key; calculating a public key, and generating ciphertext and uploading the ciphertext to a CSP; performing transaction on-chaining; and during decryption, finding, by the consumer, transaction information of the content on the consortium blockchain, sending an interest packet based on the transaction information, and obtaining ciphertext CT through a storage address in the transaction information; generating, by the consortium blockchain, an access transaction based on access information of the consumer; sending the ciphertext CT to the consumer through a data packet; and locally decrypting, by the consumer, the ciphertext CT, and verifying correctness of the content.
    Type: Application
    Filed: July 13, 2022
    Publication date: February 9, 2023
    Applicant: Zhengzhou University of Light Industry
    Inventors: Jianwei ZHANG, Haiyan SUN, Zengyu CAI, Liang ZHU, Shujun LIANG, Erlin TIAN, Huanlong ZHANG, Yanhua ZHANG, Xi CHEN
  • Patent number: 11336973
    Abstract: An optical line terminal (OLT) device virtualization method and a related device, the method including creating a plurality of virtual OLT systems on an OLT device, and determining system resources of each of the plurality of virtual OLT systems according to a preset rule. The system resources include a physical resource and a logical resource, and physical resources and logical resources of the plurality of virtual OLT systems are different from each other.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: May 17, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yanhua Zhang, Zengzhan Wei, Daoming Wang, Jianwen Tang
  • Patent number: 11319618
    Abstract: The disclosure relates to a method for preparing Ti(C,N)-based superhard metal composite materials, with Ti(C,N) powder and (W,Mo,Ta)(C,N) powder as main raw materials and Co powder as binding phase for preparation, thereby obtaining a material in which a microstructure is a double-core rim structure that has both a black core rim and a white core rim. The material has a complete and evenly distributed double-core rim structure. In the condition that the ensured hardness of the material is not reduced and even slightly increased, the toughness of the material is significantly improved, wherein the fracture toughness of the material is in the range of 11.3 to 12.5 MPa·m1/2.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: May 3, 2022
    Assignee: CHONGQING UNIVERSITY OF ARTS AND SCIENCES
    Inventors: Ying Deng, Shan Jiang, Yanhua Zhang, Taibin Wu, Qiaowang Chen, Hui Yan, Ling Deng, Hui Chen
  • Patent number: 10968245
    Abstract: The invention provides a method for preparing a technetium-99m tricarbonyl intermediate. The method comprises reacting a manganese carbonyl compound used as a carbon monoxide source with pertechnetate and water to obtain the technetium-99m tricarbonyl intermediate. The method for preparing a technetium-99m tricarbonyl intermediate in an embodiment of the invention can complete the preparation of the intermediate at atmospheric pressure and room temperature. The method is easy to operate, uses easily obtained raw materials, has a high labeling yield, and can be used to prepare various types of technetium tricarbonyl labeled probes.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: April 6, 2021
    Assignee: Institute of High Energy Physics, Chinese Academy of Sciences
    Inventors: Wenjiang Yang, Yu Liu, Jingquan Xue, Yanhua Zhang
  • Publication number: 20210060539
    Abstract: A method for preparing a molecular sieve SCR (selective catalytic reduction) catalyst and a prepared catalyst therethrough. In the method, several molecular sieves are mixed and modified by transition metal or rare-earth metal via ion exchange, then loaded Fe by equivalent-volume impregnation, and loaded Cu by one or more liquid ion exchange. This present invention, combined with several techniques, such as modification of stable molecular sieve by transition and rare-earth metal, Fe loading by equivalent-volume impregnation and Cu loading by one or more liquid ion exchange, and after through stable and effective modification and loading control, the obtained catalyst material is coated on a carrier substrate via size mixing and coating process to be prepared into an integral catalyst.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 4, 2021
    Inventors: ZHIMIN LIU, XI FENG, YANHUA ZHANG, DONG ZENG, JIE WEN, GANXUE WANG, RUIFANG WANG, KUAN WEI, YUN LI, QIZHANG CHEN, YAOQIANG CHEN
  • Publication number: 20210002745
    Abstract: The disclosure relates to a method for preparing Ti(C,N)-based superhard metal composite materials, with Ti(C,N) powder and (W,Mo,Ta)(C,N) powder as main raw materials and Co powder as binding phase for preparation, thereby obtaining a material in which a microstructure is a double-core rim structure that has both a black core rim and a white core rim. The material has a complete and evenly distributed double-core rim structure. In the condition that the ensured hardness of the material is not reduced and even slightly increased, the toughness of the material is significantly improved, wherein the fracture toughness of the material is in the range of 11.3 to 12.5 MPa·m1/2.
    Type: Application
    Filed: December 24, 2019
    Publication date: January 7, 2021
    Applicant: CHONGQING UNIVERSITY OF ARTS AND SCIENCES
    Inventors: Ying DENG, Shan JIANG, Yanhua ZHANG, Taibin WU, Qiaowang CHEN, Hui YAN, Ling DENG, Hui CHEN
  • Publication number: 20210001314
    Abstract: Disclosed in the present invention is a tail gas treatment catalyst. The catalyst consists of a carrier, a first catalyst, and a second catalyst. The first catalyst and the second catalyst are provided on both ends of the carrier. The first catalyst can purify pollutants in tail gas. The second catalyst can purify a byproduct, ammonia, obtained by the purification by the first catalyst and pollutants that are not completely purified by the first catalyst. The second catalyst is of a double-layer structure; the lower layer consists of an oxygen storage material, aluminum oxide, and a second active component; the second active component is a composition of Pt and Pd, or a composition of Ce, Fe, Ni and Cu; the upper layer consists of a molecular sieve and a third active component; the third active component is Cu or a composition of Cu and Fe.
    Type: Application
    Filed: May 30, 2019
    Publication date: January 7, 2021
    Inventors: Yun WANG, Yi DAN, Hongyi DU, Zan ZHU, Tiantian LUO, Yanhua ZHANG, Qin WANG, Yun LI, Qizhang CHEN, Yongxiang CHENG
  • Patent number: 10588985
    Abstract: Pharmaceutical compositions, methods of treatment of proliferative diseases and commercial packages are provided according to aspects of the present invention which relate to a first therapeutic agent coupled to a nanoparticle, wherein the first therapeutic agent is SMI #8 or SMI #9 a pharmaceutically acceptable salt, ester, amide, stereoisomer, hydrate, or derivative of either thereof. According to particular aspects, the SMI #8 or SMI #9 is conjugated to gold nanoparticles.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 17, 2020
    Assignee: Wayne State University
    Inventors: Malathy Shekhar, Guangzhao Mao, Yanhua Zhang
  • Publication number: 20200010496
    Abstract: The invention provides a method for preparing a technetium-99m tricarbonyl intermediate. The method comprises reacting a manganese carbonyl compound used as a carbon monoxide source with pertechnetate and water to obtain the technetium-99m tricarbonyl intermediate. The method for preparing a technetium-99m tricarbonyl intermediate in an embodiment of the invention can complete the preparation of the intermediate at atmospheric pressure and room temperature. The method is easy to operate, uses easily obtained raw materials, has a high labeling yield, and can be used to prepare various types of technetium tricarbonyl labeled probes.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 9, 2020
    Applicant: Institute of High Energy Physics, Chinese Academy of Sciences
    Inventors: Wenjiang Yang, Yu Liu, Jingquan Xue, Yanhua Zhang
  • Publication number: 20190387295
    Abstract: An optical line terminal (OLT) device virtualization method and a related device, the method including creating a plurality of virtual OLT systems on an OLT device, and determining system resources of each of the plurality of virtual OLT systems according to a preset rule. The system resources include a physical resource and a logical resource, and physical resources and logical resources of the plurality of virtual OLT systems are different from each other.
    Type: Application
    Filed: August 27, 2019
    Publication date: December 19, 2019
    Inventors: Yanhua Zhang, Zengzhan Wei, Daoming Wang, Jianwen Tang