The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Dec. 27, 2019
China Petroleum & Chemical Corporation, Beijing, CN;
Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp., Liaoning, CN;
Huihong Zhu, Liaoning, CN;
Tao Yang, Liaoning, CN;
Tiebin Liu, Liaoning, CN;
Hao Jin, Liaoning, CN;
Guang Yang, Liaoning, CN;
Lu Liu, Liaoning, CN;
Zhenhui Lv, Liaoning, CN;
Xiangchen Fang, Liaoning, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP., Liaoning, CN;
Abstract
A pseudo-boehmite has a dry basis content of 55-85 wt % and contains a phosphoric acid ester group. The sodium oxide content is not greater than 0.5 wt %, and the phosphorus content (in terms of phosphorus pentoxide) is 1.2-5.7 wt %, relative to 100 wt % of the total weight of the pseudo-boehmite. The pseudo-boehmite has a low sodium content.