Patents Assigned to SUNRESIN NEW MATERIALS CO.LTD., XI AN
  • Process of purifying methionine
    Patent number: 10669233
    Abstract: The present invention provides a process for purifying methionine. A methionine product having a purity of up to 99% or higher is obtained by separating methionine from a salt by-product through a process comprising adsorption and desorption using a macroporous adsorption resin, where the methionine content in the salt by-product is ?0.03%. The yield of methionine extracted with the resin is up to 98% or higher. By using the process of the present invention, the existing production process is simplified, the quality of the methionine product is improved, and the production costs for methionine are reduced.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: June 2, 2020
    Assignees: SUNRESIN NEW MATERIALS CO. LTD., XI'AN, Bluestar Adisseo Nanjing Co., Ltd.
    Inventors: Xiaokang Kou, Risheng Wang, Gang Wang, Qiong Liu, Wanping Ren, Julien Boutet, Yuanbin Yang, Valentin Guidal
  • PROCESS OF PURIFYING METHIONINE
    Publication number: 20190210964
    Abstract: The present invention provides a process for purifying methionine. A methionine product having a purity of up to 99% or higher is obtained by separating methionine from a salt by-product through a process comprising adsorption and desorption using a macroporous adsorption resin, where the methionine content in the salt by-product is 0.03%. The yield of methionine extracted with the resin is up to 98% or higher. By using the process of the present invention, the existing production process is simplified, the quality of the methionine product is improved, and the production costs for methionine are reduced.
    Type: Application
    Filed: March 19, 2019
    Publication date: July 11, 2019
    Applicants: SUNRESIN NEW MATERIALS CO.LTD., XI AN, BLUESTAR ADISSEO NANJING CO.,LTD.
    Inventors: Xiaokang KOU, Risheng WANG, Gang WANG, Qiong LIU, Wanping REN, Julien BOUTET, Yuanbin YANG, Valentin GUIDAL
  • Process of purifying methionine
    Patent number: 10287244
    Abstract: The present invention provides a process for purifying methionine. A methionine product having a purity of up to 99% or higher is obtained by separating methionine from a salt by-product through a process comprising adsorption and desorption using a macroporous adsorption resin, where the methionine content in the salt by-product is ?0.03%. The yield of methionine extracted with the resin is up to 98% or higher. By using the process of the present invention, the existing production process is simplified, the quality of the methionine product is improved, and the production costs for methionine are reduced.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: May 14, 2019
    Assignees: SUNRESIN NEW MATERIALS CO. LTD., XI'AN, Bluestar Adisseo Nanjing Co., Ltd.
    Inventors: Xiaokang Kou, Risheng Wang, Gang Wang, Qiong Liu, Wanping Ren, Julien Boutet, Yuanbin Yang, Valentin Guidal
  • PROCESS OF PURIFYING METHIONINE
    Publication number: 20180194723
    Abstract: The present invention provides a process for purifying methionine. A methionine product having a purity of up to 99% or higher is obtained by separating methionine from a salt by-product through a process comprising adsorption and desorption using a macroporous adsorption resin, where the methionine content in the salt by-product is ?0.03%. The yield of methionine extracted with the resin is up to 98% or higher. By using the process of the present invention, the existing production process is simplified, the quality of the methionine product is improved, and the production costs for methionine are reduced.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 12, 2018
    Applicants: SUNRESIN NEW MATERIALS CO.LTD., XI AN, BLUESTAR ADISSEO NANJING CO.,LTD.
    Inventors: Xiaokang KOU, Risheng WANG, Gang WANG, Qiong LIU, Wanping REN, Julien BOUTET, Yuanbin YANG, Valentin GUIDAL