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. 04, 1998
Filed:
Jul. 07, 1997
Applicant:
Inventors:
Assignee:
Sanyo Petrochemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 71 ; 502 64 ; 502 66 ; 502 73 ; 502 74 ; 502 77 ; 502 85 ;
Abstract
A method for partially dealuminating a zeolite catalyst by steaming, which comprises feeding steam to and flowing the steam through a reactor containing a catalyst bed of a zeolite catalyst to contact the zeolite catalyst with the steam for 0.1 to 50 hours under temperature distribution conditions which satisfies the following requirements (1) and (2):
Tsunoda, Takashi. (1998). Method for partially dealuminating a zeolite catalyst (U.S. Patent No. 5789331). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5789331
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile