Patents by Inventor Yujing Tang

Yujing Tang 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).

  • Polyethylene compositions and films formed therefrom
    Patent number: 9988505
    Abstract: A polyethylene composition comprising an ethylene/?-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: June 5, 2018
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum and Chemical Corporation
    Inventors: Dali Gao, Hongwei Shi, Shijun Zhang, Meifang Guo, Luqiang Yu, Jinliang Qiao, Ruxian Li, Yujing Tang, Jianjun Yin, Liangshi Wang, Honghong Huang, Qingquan Yang, Hao Zou, Jie Li, Liying Zhang, Hua Yin, Jianye Liu, Jingbo Shao, Mingfu Lyu, Liqiu Chu, Meng Xu, Hui Quan, Kai Xu, Mu Dong, Yun Lyu, Yihui Xu, Yaohui Xu, Peng Guo, Yiqing Bai
  • POLYETHYLENE COMPOSITIONS AND FILMS FORMED THEREFROM
    Publication number: 20160115285
    Abstract: A polyethylene composition comprising an ethylene/?-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 28, 2016
    Inventors: Dali GAO, Hongwei SHI, Shijun ZHANG, Meifang GUO, Luqiang YU, Jinliang QIAO, Ruxian LI, Yujing TANG, Jianjun YIN, Liangshi WANG, Honghong HUANG, Qingquan YANG, Hao ZOU, Jie LI, Liying ZHANG, Hua YIN, Jianye LIU, Jingbo SHAO, Mingfu LYU, Liqiu CHU, Meng XU, Hui QUAN, Kai XU, Mu DONG, Yun LYU, Yihui XU, Yaohui XU, Peng GUO, Yiqing BAI
  • Propylene random copolymer, method for its preparation, and compositions and articles containing the same
    Patent number: 9303108
    Abstract: The present invention relates to a propylene-butene-1 random copolymer which has a butene-1 content of 1-6 mol % and a relative dispersity of butene-1, as determined according to NMR method, of greater than 98.5%. The propylene-butene-1 random copolymer of the present invention has a high relative dispersity of butene-1, as well as better transparency and heat resistance, so that it is more suitable for packaging food that may be edible after heating. Moreover, the copolymer has a lower xylene solubles content at room temperature. In addition, the present invention further relates to a method for preparing the copolymer and to a composition and an article comprising the copolymer.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: April 5, 2016
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Meifang Guo, Wenbo Song, Liying Zhang, Liping Hou, Wenjun Wei, Hao Zhang, Yujing Tang, Huijie Hu