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:
Dec. 21, 1993
Filed:
Jan. 07, 1992
Applicant:
Inventors:
Clarence D Chang, Princeton, NJ (US);
Nai Y Chen, Titusville, NJ (US);
Cynthis T Chu, Princeton Junction, NJ (US);
Bruce P Pelrine, Trenton, NJ (US);
Assignee:
Mobil Oil Corporation, Fairfax, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423700 ; 423D / ; 502 77 ; 502 85 ;
Abstract
The invention includes a ZSM-5 composition and the preparation thereof which comprises treating ZSM-5 with solutions of salts of weak acids. The resulting ultrasmall crystal size ZSM-5 component has a sorption capacity for 2,2-dimethylbutane of at least 10 mg/g zeolite and a sorption time for 30% capacity zeolitic sorption at 60.degree. C. and P(2,2-dimethylbutane) of 60 torr, of less than about 4 minutes.