Patents by Inventor Engang LU

Engang LU 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).

  • Method of continuous dyeing with reactive dyes in wet conditions
    Patent number: 11834781
    Abstract: The disclosure provides a method of continuous dyeing with reactive dyes in wet conditions, the method including: 1) adding fabric to a mixture of a dye liquor and an alkali through a one-bath-one-step method; 2) immersing the fabric pretreated in 1) in a padding liquor with an air film horizontal pad dyeing machine; 3) preheating the fabric after being treated in 2) at a temperature of 50-90° C.; and 4) rolling and batching the fabric after being treated in 3) at a temperature of 10-70° C. for 2-72 hours.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: December 5, 2023
    Assignees: HUAFANG CO., LTD, DONGHUA UNIVERSITY, BINZHOU HUA TEXTILE ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Zhiping Mao, Hongyu Sun, Chunguang Li, Rongxia Jia, Yi Zhong, Hong Xu, Limin Wang, Qi Yu, Xiaomin Liu, Qingbo Lu, Chunying Sheng, Engang Lu, Qisheng Zhao, Wei Wu, Yamin Dai, Jinbo Wang
  • METHOD OF CONTINUOUS DYEING WITH REACTIVE DYES IN WET CONDITIONS
    Publication number: 20210348329
    Abstract: The disclosure provides a method of continuous dyeing with reactive dyes in wet conditions, the method including: 1) adding fabric to a mixture of a dye liquor and an alkali through a one-bath-one-step method; 2) immersing the fabric pretreated in 1) in a padding liquor with an air film horizontal pad dyeing machine; 3) preheating the fabric after being treated in 2) at a temperature of 50-90° C.; and 4) rolling and batching the fabric after being treated in 3) at a temperature of 10-70° C. for 2-72 hours.
    Type: Application
    Filed: July 20, 2021
    Publication date: November 11, 2021
    Inventors: Zhiping MAO, Hongyu SUN, Chunguang LI, Rongxia JIA, Yi ZHONG, Hong XU, Limin WANG, Qi YU, Xiaomin LIU, Qingbo LU, Chunying SHENG, Engang LU, Qisheng ZHAO, Wei WU, Yamin DAI, Jinbo WANG