Patents by Inventor Yunlong DING

Yunlong DING 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).

  • 5A molecular sieve adsorbent and method for preparation of the same
    Patent number: 9656241
    Abstract: The present invention provides an adsorbent and a method for preparation of the adsorbent, wherein, the average crystal grain diameter of 5A molecular sieves in the adsorbent is 0.2-2.1 ?m; measured on the basis of the dry weight of the adsorbent, the content of 5A molecular sieves in the adsorbent is 92 wt. % or higher; the breaking ratio of the adsorbent at 250N is 9% or lower.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: May 23, 2017
    Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Changzhi Tu, Shihua Chen, Yunlong Ding
  • 5A Molecular Sieve Adsorbent and Method for Preparation of the Same
    Publication number: 20150018196
    Abstract: The present invention provides an adsorbent and a method for preparation of the adsorbent, wherein, the average crystal grain diameter of 5A molecular sieves in the adsorbent is 0.2-2.1 nm; measured on the basis of the dry weight of the adsorbent, the content of 5A molecular sieves in the adsorbent is 92 wt. % or higher; the breaking ratio of the adsorbent at 250N is 9% or lower.
    Type: Application
    Filed: October 28, 2013
    Publication date: January 15, 2015
    Applicant: CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Changzhi TU, Shihua CHEN, Yunlong DING