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:
Apr. 18, 2006

Filed:

Feb. 16, 2000
Applicants:

Debasis Bhattacharyya, Haryana, IN;

Asit Kumar Das, Haryana, IN;

Arumugam Velayutham Karthikeyani, Haryana, IN;

Satyen Kumar Das, Haryana, IN;

Pankaj Kasliwal, Haryana, IN;

Manoranjan Santra, Haryana, IN;

Latoor Lal Saroya, Haryana, IN;

Jagdev Kumar Dixit, Haryana, IN;

Ganga Sanker Mishra, Haryana, IN;

Jai Prakash Singh, Haryana, IN;

Satish Makhija, New Delhi, IN;

Sobhan Ghosh, Haryana, IN;

Inventors:

Debasis Bhattacharyya, Haryana, IN;

Asit Kumar Das, Haryana, IN;

Arumugam Velayutham Karthikeyani, Haryana, IN;

Satyen Kumar Das, Haryana, IN;

Pankaj Kasliwal, Haryana, IN;

Manoranjan Santra, Haryana, IN;

Latoor Lal Saroya, Haryana, IN;

Jagdev Kumar Dixit, Haryana, IN;

Ganga Sanker Mishra, Haryana, IN;

Jai Prakash Singh, Haryana, IN;

Satish Makhija, New Delhi, IN;

Sobhan Ghosh, Haryana, IN;

Assignee:

Indian Oil Corporation Limited, Bander (East) Mumbai, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 51/02 (2006.01); B01J 8/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to this invention, there is provided a process and apparatus for catalytic cracking of various petroleum based heavy feed stocks in the presence of solid zeolite catalyst and high pore size acidic components for selective bottom cracking and mixtures thereof, in multiple riser type continuously circulating fluidized bed reactors operated at different severities to produce high yield of middle distillates, in the range of 50–65 wt % of fresh feed.


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