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:
Aug. 03, 1993
Filed:
Jan. 14, 1992
Applicant:
Inventors:
Xingtian Shu, Beijing, CN;
Wei Fu, Beijing, CN;
Mingyuan He, Beijing, CN;
Meng Zhou, Beijing, CN;
Zhicheng Shi, Beijing, CN;
Shugin Zhang, Beijing, CN;
Assignees:
Research Institute of Petroleum Processing, Beijing, CN;
China Petrochemical Corporation, Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; B01V / ;
U.S. Cl.
CPC ...
4233282 ; 4233281 ; 4233291 ; 4233301 ; 423332 ; 423709 ; 423718 ; 502 64 ; 502 65 ; 502 79 ;
Abstract
The present invention discloses a rare earth-containing high-silica zeolite having penta-sil type structure and process for the same. The anhydrous composition of the high-silica zeolite of the present invention (based on the mole ratio of oxides) can be defined by the formula