Patents by Inventor Yuebin LV

Yuebin LV 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).

  • Aryl-substituted saccharides or glycosides and use thereof in a drilling fluid composition
    Patent number: 11952530
    Abstract: An aryl-substituted saccharide or glycoside or a mixture of a plurality of aryl-substituted saccharides or glycosides have at least good resistance to high temperatures and salt, and lower filtration loss. These aryl-substituted saccharide or glycoside are used in making a drilling fluid composition. The aryl-substituted saccharide or glycoside or the mixture of a plurality of aryl-substituted saccharides or glycosides each or in combination bears a substituent A and a substituent B, wherein the substituent A contains a unit —O—R6— in its structure and the substituent B contains a unit in its structure, and the substituents and the numbers are defined in the description.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 9, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, Sinopec Petroleum Engineering Technology Service Co., Ltd., Drilling Engineering Technology Research Institute of Sinopec Zhongyuan Petroleum Engineering Co., LTD, SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD
    Inventors: Xiqiang Si, Zhonghua Wang, Weiting Li, Jun Wei, Zhongjin Wang, Yuebin Lv
  • Aryl-substituted saccharides or glycosides and use thereof in a drilling fluid composition
    Publication number: 20210040373
    Abstract: An aryl-substituted saccharide or glycoside or a mixture of a plurality of aryl-substituted saccharides or glycosides have at least good resistance to high temperatures and salt, and lower filtration loss. These aryl-substituted saccharide or glycoside are used in making a drilling fluid composition. The aryl-substituted saccharide or glycoside or the mixture of a plurality of aryl-substituted saccharides or glycosides each or in combination bears a substituent A and a substituent B, wherein the substituent A contains a unit —O—R6— in its structure and the substituent B contains a unit in its structure, and the substituents and the numbers are defined in the description.
    Type: Application
    Filed: November 29, 2019
    Publication date: February 11, 2021
    Inventors: Xiqiang SI, Zhonghua WANG, Weiting LI, Jun WEI, Zhongjin WANG, Yuebin LV