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.

Date of Patent:
Feb. 22, 2005

Filed:

Feb. 25, 2002
Applicants:

Mohan Prabhu Kuvettu, Haryana, IN;

Sanjay Kumar Ray, Haryana, IN;

Gopal Ravichandran, Haryana, IN;

Venkatchalam Krishnan, Haryana, IN;

Satyen Kumar Das, Haryana, IN;

Satish Makhija, Haryana, IN;

Sobhan Ghosh, Haryana, IN;

Inventors:

Mohan Prabhu Kuvettu, Haryana, IN;

Sanjay Kumar Ray, Haryana, IN;

Gopal Ravichandran, Haryana, IN;

Venkatchalam Krishnan, Haryana, IN;

Satyen Kumar Das, Haryana, IN;

Satish Makhija, Haryana, IN;

Sobhan Ghosh, Haryana, IN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J029/08 ; B01J029/40 ; B01J029/18 ; B01J029/80 ;
U.S. Cl.
CPC ...
Abstract

A process for the preparation of a stabilized dual zeolite catalyst-comprising two types of zeolites, a low silica molecular sieve and a stabilized high silica zeolite is disclosed. The catalyst is useful for cracking heavier hydrocarbons into lighter useful products.


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