Patents by Inventor Xuejian Zhang

Xuejian 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).

  • GAMMA-CAPROLACTONE PRECURSOR-AROMA COMPOUND AND PREPARATION METHOD AND USE THEREOF
    Publication number: 20230131516
    Abstract: A ?-caprolactone precursor-aroma compound and a preparation method and uses thereof are disclosed. The preparation method specifically includes: dissolving ?-caprolactone in a sufficient amount of a solvent, adding an alkali at ?78° C. to 0° C., stirring the resulting mixture to allow a reaction for 20 min or more, adding 2-acetylpyridine, further stirring at ?78° C. to 0° C. to allow a reaction for 30 min or more, quenching the reaction, and finally subjecting the resulting reaction system to post-treatment, separation, and purification to obtain the target lactone precursor-aroma compound.
    Type: Application
    Filed: October 25, 2022
    Publication date: April 27, 2023
    Applicant: CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD.
    Inventors: Dikai ZHU, Feiyan TAO, Yu DING, Liutianyi YANG, Dandan CHANG, Tao CUI, Yiming WANG, Xuejian ZHANG, Juan YANG, Qingguo YANG, Lei WU, Guangfu SONG, Gang GUO, Ning LI, Pengcheng ZHU
  • Back sheet for solar cell and method of manufacturing the same
    Patent number: 8536443
    Abstract: The present invention relates to a back sheet for solar cell and a method of manufacturing the same. The back sheet for solar cell comprises a substrate and a fluoropolymer layer, wherein the components by weight of the fluoropolymer layer are as follows: 25˜45 parts of fluororesin; 1.5˜3 parts of modified resin; 0.5˜3 parts of polymeric filler; 0.1˜1 parts of inorganic filler; and 50˜70 parts of solvent. The back sheet for solar cell provided by the present invention has low cost and excellent performances, such as high peeling strength, good waterproof performance, and good weathering resistance. The method of manufacturing the back sheet for solar cell provided by the present invention is simple in process, and thus can achieve continuous industrial production.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: September 17, 2013
    Assignees: China Lucky Film Group Corporation, Lucky Film Co., Ltd.
    Inventors: Gang Li, Xingming Li, Tianren Liu, Xuejian Zhang, Jing Zou
  • Back Sheet for Solar Cell and Method of Manufacturing the Same
    Publication number: 20100282302
    Abstract: The present invention relates to a back sheet for solar cell and a method of manufacturing the same. The back sheet for solar cell comprises a substrate and a fluoropolymer layer, wherein the components by weight of the fluoropolymer layer are as follows: 25˜45 parts of fluororesin; 1.5˜3 parts of modified resin; 0.5˜3 parts of polymeric filler; 0.1˜1 parts of inorganic filler; and 50˜70 parts of solvent. The back sheet for solar cell provided by the present invention has low cost and excellent performances, such as high peeling strength, good waterproof performance, and good weathering resistance. The method of manufacturing the back sheet for solar cell provided by the present invention is simple in process, and thus can achieve continuous industrial production.
    Type: Application
    Filed: October 20, 2008
    Publication date: November 11, 2010
    Applicants: CHINA LUCKY FILM GROUP CORPORATION, LUCKY FILM CO., LTD.
    Inventors: Gang Li, Xingming Li, Tianren Liu, Xuejian Zhang, Jing Zou