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. 14, 1999
Filed:
Mar. 24, 1998
Applicant:
Inventors:
Mingyuan He, Beijing, CN;
Xiaoming Yang, Beijing, CN;
Xingtian Shu, Beijing, CN;
Jinge Luo, Beijing, CN;
Assignees:
China Petrochemical Corporation, Beijing, CN;
Research Institute of Petroleum Processing, Sinopec, Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423713 ; 423709 ; 423712 ; 423D / ; 423D / ; 502 85 ; 502 86 ; 502 60 ; 502 77 ;
Abstract
The present invention discloses a phosphorus-containing zeolite having MFI type structure. The anhydrous composition (based on the mole ratios of oxides) of the above zeolite is