Patents by Inventor Yunan Cheng

Yunan Cheng 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: 20230392004
    Abstract: Thermoplastic compositions include: (a) from about 1 wt % to about 99 wt % of at least one crystalline polyester; (b) from about 1 wt % to about 99 wt % of a polycarbonate copolymer; (c) from about 10 wt % to about 50 wt % of a reinforcing filler; and (d) from about 1 wt % to about 10 wt % of a laser direct structuring (LDS) additive. In particular aspects the at least one crystalline polyester includes polybutylene terephthalate (PBT) and the polycarbonate copolymer includes a polycarbonate-siloxane (PC—Si) copolymer. In further aspects the at least one reinforcing filler includes glass fiber, and in specific aspects a flat glass fiber. The composition has improved adhesion, surface appearance and/or warpage properties as compared to a comparative composition that does not include the polycarbonate copolymer.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 7, 2023
    Inventors: Xiaoming Jiang, Yunan Cheng, Yun Zheng
  • Publication number: 20230340226
    Abstract: Disclosed is a composition comprising: from about 10 wt. % to about 90 wt. % of a thermoplastic resin, wherein the thermoplastic resin comprises a polyphenylene sulfide resin; from about 0.01 to 10 wt. % of a laser direct structuring additive; from about 0.01 wt. % to about 50 wt. % of laser breakable filler, wherein the composition exhibits a dissipation factor of less than 0.01 at frequencies of 1 GHz to 20 GHz frequencies when measured using a dielectric resonator, and wherein the combined weight percent value of all components does not exceed 100 wt. %, and all weight percent values are based on the total weight of the composition.
    Type: Application
    Filed: February 16, 2021
    Publication date: October 26, 2023
    Inventors: Yunan CHENG, Yun ZHENG
  • Publication number: 20230303833
    Abstract: Disclosed herein are compositions comprising: (a) from about 10 wt % to about 87 wt % of at least one crystalline or semi-crystalline polymer, wherein the at least one crystalline or semi-crystalline polymer comprises a crystalline polyester; (b) from about 3 wt % to about 40 wt % of an amorphous polymer resin; (c) from about 10 wt % to about 70 wt % of a reinforcing filler, wherein the at least one crystalline or semi-crystalline polymer may have a lower refractive index than a refractive index of the reinforcing filler when measured using a refractometer, wherein the amorphous polymer resin may have a refractive index value greater than that of the reinforcing filler, and wherein the combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition.
    Type: Application
    Filed: August 17, 2021
    Publication date: September 28, 2023
    Inventors: Yunan Cheng, Xiaoming Jiang, Yun Zheng, Jian Wang
  • Publication number: 20230117110
    Abstract: A thermoplastic composition includes: (a) poly(cyclohexylenedimethylene terephthalate) (PCT) or a copolymer thereof; (b) at least 10 wt % of a reinforcing filler comprising glass fiber; (c) a laser direct structuring (LDS) additive comprising a tin oxide, an antimony oxide, or a combination thereof; and (d) a reflection additive comprising a titanium compound. A weight ratio of total titanium in the composition to the LDS additive in the composition is at least 0.7:1, or a weight ratio of total titanium in the composition to the PCT is 1.1:1 or less.
    Type: Application
    Filed: February 11, 2021
    Publication date: April 20, 2023
    Inventors: Yunan CHENG, Yun ZHENG
  • Patent number: 11370911
    Abstract: Disclosed herein are thermoplastic composition comprising (a) about 15 wt % to about 95 wt % polymer component comprising: (i) either about 20 wt % to about 85 wt % poly(p-phenylene oxide) and about 10 wt % to about 65 wt % flow promoter or about 70 wt % to 100 wt % polypropylene, said polypropylene being homopolymer and/or copolymer; and (ii) greater than about 0 wt % to about 30 wt % impact modifier; (b) about 2 wt % to about 50 wt % of a laser activatable additive having a core-shell structure, wherein the core comprises an inorganic filler and the shell comprises a laser activatable component; and (c) about 3 wt % to about 70 wt % inorganic fillers.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: June 28, 2022
    Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
    Inventors: Yunan Cheng, Shijie Song, Jian Wang
  • Patent number: 11028250
    Abstract: The disclosure concerns thermally conductive polymer compositions comprising: (a) from about 20 wt % to about 80 wt % of at least one polymer component; (b) from greater than about 0 wt % to about 70 wt % of a thermally conductive filler; and (c) from about 0.1 wt % to about 40 wt % of a laser activatable additive having a core-shell structure; wherein the core comprises an inorganic filler and the shell comprises a laser activatable component; wherein the combined weight percent value of all components does not exceed about 100 wt %; wherein all weight percent values are based on the total weight of the composition; and wherein a molded sample of the blended thermoplastic composition has a through plane thermal conductivity of at least about 0.40 W/m·K when determined in accordance with ASTM E1461.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: June 8, 2021
    Assignee: SHPP Global Technologies B.V.
    Inventors: Yaqin Zhang, Jian Wang, Mingcheng Guo, Yunan Cheng, Shijie Song
  • Publication number: 20210130585
    Abstract: Disclosed herein are compositions thermoplastic composition comprising: (a) about 20 wt % to about 99 wt % of a polymer component; and (b) about 1 wt % to about 30 wt % of a laser activatable additive having a core-shell structure; wherein the core comprises an inorganic filler and the shell comprises a laser activatable component comprising copper hydroxide phosphate or tin and antimony oxide, said core comprising from about 10 wt % to about 80 wt % of the laser activatable additive and said shell comprising from about 20 wt % to about 90 wt % of the laser activatable additive.
    Type: Application
    Filed: January 11, 2018
    Publication date: May 6, 2021
    Inventors: Jian WANG, Yunan Cheng, Yaqin ZHANG, Shijie SONG
  • Patent number: 10866162
    Abstract: Provided in the present disclosure is an online fault detection device installed in a train car and used for a high-speed train running component comprising a GPS module (1), a noise sensor (2), a 3G module (5), a solid-state drive (6), a microprocessor (4), a status indicator (3), and a buzzer (7). Input ends of the microprocessor (4) are connected to an output end of the GPS module (1) and an output end of the noise sensor (2) respectively. Output ends of the microprocessor (4) are connected to an input end of the status indicator (3) and an input end of the buzzer (7) respectively. The microprocessor (4) is interactively connected to the 3G module (5) and the solid-state drive (6) respectively. The device above is reliable and easy to be installed and maintained; and the components and sensor thereof are not prone to be damaged.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: December 15, 2020
    Assignees: HEFEI GOCOM INFORMATION & TECHNOLOGY CO., LTD., HEFEI UNIVERSITY OF TECHNOLOGY
    Inventors: Zhen Wei, Jian Chen, Lei Cheng, Qingxin Hu, Jiazhu Li, Pin Chen, Yunan Cheng
  • Publication number: 20200262998
    Abstract: The disclosure concerns thermally conductive polymer compositions comprising: (a) from about 20 wt % to about 80 wt % of at least one polymer component; (b) from greater than about 0 wt % to about 70 wt % of a thermally conductive filler; and (c) from about 0.1 wt % to about 40 wt % of a laser activatable additive having a core-shell structure; wherein the core comprises an inorganic filler and the shell comprises a laser activatable component; wherein the combined weight percent value of all components does not exceed about 100 wt %; wherein all weight percent values are based on the total weight of the composition; and wherein a molded sample of the blended thermoplastic composition has a through plane thermal conductivity of at least about 0.40 W/m·K when determined in accordance with ASTM E1461.
    Type: Application
    Filed: January 11, 2018
    Publication date: August 20, 2020
    Inventors: Yaqin ZHANG, Jian WANG, Mingcheng GUO, Yunan CHENG, Shijie SONG
  • Publication number: 20200022264
    Abstract: A process of forming an article utilizes an ultra-thin, removable, catalytic film for Laser Direct Structuring (LDS). The process includes forming a film from a laser-activatable material, the film exhibiting thickness of less than 100 ?m; applying the film to a black or opaque substrate to form a film-substrate element; applying a laser to the film-substrate element; removing a portion of the film from the film-substrate element; and applying metal plating to a portion of the black or opaque substrate. Removal of the film from the film-substrate element may follow metal plating of the black or opaque substrate. An article formed by the process may be useful in a computer device, electromagnetic interference device, printed circuit, Wi-Fi device, Bluetooth device, GPS device, cellular antenna device, smart phone device, automotive device, medical device, sensor device, RF antenna device, LED device, RFID device, or a component of a cell phone antenna.
    Type: Application
    Filed: March 2, 2018
    Publication date: January 16, 2020
    Inventors: Yunan CHENG, Liang SHEN
  • Publication number: 20190352503
    Abstract: Disclosed herein are thermoplastic composition comprising (a) about 15 wt % to about 95 wt % polymer component comprising: (i) either about 20 wt % to about 85 wt % poly(p-phenylene oxide) and about 10 wt % to about 65 wt % flow promoter or about 70 wt % to 100 wt % polypropylene, said polypropylene being homopolymer and/or copolymer; and (ii) greater than about 0 wt % to about 30 wt % impact modifier; (b) about 2 wt % to about 50 wt % of a laser activatable additive having a core-shell structure, wherein the core comprises an inorganic filler and the shell comprises a laser activatable component; and (c) about 3 wt % to about 70 wt % inorganic fillers.
    Type: Application
    Filed: January 10, 2018
    Publication date: November 21, 2019
    Inventors: Yunan CHENG, Shijie SONG, Jian WANG
  • Publication number: 20190322861
    Abstract: A thermoplastic composition includes a polymeric base resin, a glass fiber component, and a laser direct structuring additive. The laser direct structuring additive includes copper chromite black, copper hydroxide phosphate, tin-antimony cassiterite grey or a combination thereof. In some aspects the polymeric base resin includes polybutylene terephthalate (PBT), polyamide (PA), polycarbonate (PC), poly(p-phenylene oxide) (PPO), or combinations thereof. In certain aspects the thermoplastic composition has a nano molding technology (NMT) bonding strength of at least about 20 MPa when bonded to aluminum alloy. In further aspects the thermoplastic composition includes a plating index of at least a about 0.25. The disclosed thermoplastic compositions can be used to form articles such as NMT bonded covers of consumer electronics devices.
    Type: Application
    Filed: April 27, 2017
    Publication date: October 24, 2019
    Inventors: Zhenke WEI, Tong WU, Yunan CHENG, Qin WANG
  • Publication number: 20190153216
    Abstract: Disclosed herein are methods and thermoplastic compositions of blended polycarbonate thermoplastic compositions with improved thermal resistance and conductivity. The resulting blended polymer thermoplastic compositions, comprising at least one aromatic polycarbonate; at least one high heat 3,3-bis(4-hydroxyphenyl)-2-phenylisoindolin-1-one (PPPBP)-polycarbonate copolymer; at least one polycarbonate-siloxane copolymer; and at least one laser direct structuring additive; wherein the laser direct structuring additive is a filler selected from a metal oxide; a metal oxide coated filler; or a combination thereof; wherein the composition is capable of being plated after being activated using a laser; and wherein the composition has a heat distortion temperature higher than 150 degrees Celsius, as determined by ASTM D 648.
    Type: Application
    Filed: April 21, 2017
    Publication date: May 23, 2019
    Inventors: Feng Gong, Shijie Song, Yunan Cheng
  • Publication number: 20190154547
    Abstract: Provided in the present disclosure is an online fault detection device installed in a train car and used for a high-speed train running component comprising a GPS module (1), a noise sensor (2), a 3G module (5), a solid-state drive (6), a microprocessor (4), a status indicator (3), and a buzzer (7). Input ends of the microprocessor (4) are connected to an output end of the GPS module (1) and an output end of the noise sensor (2) respectively. Output ends of the microprocessor (4) are connected to an input end of the status indicator (3) and an input end of the buzzer (7) respectively. The microprocessor (4) is interactively connected to the 3G module (5) and the solid-state drive (6) respectively. The device above is reliable and easy to be installed and maintained; and the components and sensor thereof are not prone to be damaged.
    Type: Application
    Filed: March 1, 2017
    Publication date: May 23, 2019
    Applicants: HEFEI GOCOM INFORMATION &TECHNOLOGY CO., LTD., HEFEI UNIVERSITY OF TECHNOLOGY
    Inventors: Zhen WEI, Jian CHEN, Lei CHENG, Qingxin HU, Jiazhu LI, Pin CHEN, Yunan CHENG
  • Patent number: 10290389
    Abstract: This invention relates generally to a thermoplastic compositions and, more particularly, to compositions comprising a polymer matrix and comprising a filler composition. To that end, according to the aspects of the invention, a thermoplastic composition is disclosed that generally comprises a polymer matrix and at least one filler composition. The polymer matrix generally comprises at least one polycarbonate or polyamide. The filler composition generally comprises at least one laser direct structuring additive with a mean particle size of less than 1 ?m and may additionally optionally comprise flame retardants, stabilizers and process aids.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: May 14, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Tong Wu, Yunan Cheng, Yangang Yan
  • Publication number: 20180268955
    Abstract: This invention relates generally to a thermoplastic compositions and, more particularly, to compositions comprising a polymer matrix and comprising a filler composition. To that end, according to the aspects of the invention, a thermoplastic composition is disclosed that generally comprises a polymer matrix and at least one filler composition. The polymer matrix generally comprises at least one polycarbonate or polyamide. The filler composition generally comprises at least one laser direct structuring additive with a mean particle size of less than 1 ?m and may additionally optionally comprise flame retardants, stabilizers and process aids.
    Type: Application
    Filed: May 17, 2018
    Publication date: September 20, 2018
    Inventors: Tong Wu, Yunan Cheng, Yangang Yan
  • Publication number: 20180230294
    Abstract: Disclosed herein are laser activatable compositions. One composition may comprise: about 35% to about 75% by weight of at least one polyamide resin, preferably a 9,T resin; about 0.1% to about 20% by weight of a laser direct structuring additive; the laser activatable additive being operative to plate the composition upon being activated by a laser; about 0.5% to 20% by weight of a phosphorus-containing additive, preferably an organo phosphinate salt; and about 10% to 50% by weight of a reinforcing fiber, preferably a glass fiber having a substantially circular cross-section, the substantially circular cross-section having a diameter of 10 microns or less; where all weight percents are based on the total weight of the composition. Further embodiments provide compositions further comprising one or more organic, metallic, or mineral fillers, pigments, or combinations thereof. Also disclosed are methods of preparing these compositions and articles produced therefrom.
    Type: Application
    Filed: August 24, 2016
    Publication date: August 16, 2018
    Inventors: Yunan CHENG, Shijie SONG
  • Publication number: 20180215894
    Abstract: The disclosure concerns polymer compositions exhibiting LDS properties while maintaining mechanical properties and a dark color throughout the composition.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 2, 2018
    Inventors: Yunan CHENG, Yun ZHENG, Huihui LI, Haowei TANG, Chao LIU, Richard LIU
  • Patent number: 9944768
    Abstract: The present disclosure relates to a polymer composition. The disclosed composition comprises a polycarbonate polymer, a laser direct structuring additive capable of being activated by electromagnetic radiation and thereby forming elemental metal nuclei, reinforcing filler, and a laser direct structuring synergist. Also disclosed is a method for making the disclosed polymer composition and an article of manufacture comprising the disclosed polymer composition.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: April 17, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Yunan Cheng, Xiaofeng Yu, Yuxian An
  • Publication number: 20170002193
    Abstract: The present disclosure relates to a polymer composition comprising a polycarbonate polymer, a laser direct structuring additive capable of being activated by electromagnetic radiation and thereby forming elemental metal nuclei, and a reflection additive. Also disclosed is a method for making the disclosed polymer composition and an article of manufacture comprising the disclosed polymer composition.
    Type: Application
    Filed: November 25, 2014
    Publication date: January 5, 2017
    Inventors: Yunan Cheng, Xueming Lian, Yuxian An, Yun Zheng, Jiwen Wang