Application

13069867 · BATHTUB-TYPE SPENT CATALYST DISTRIBUTOR FOR EFFECTIVE COUNTER-CURRENT REGENERATION IN FLUID CATALYTIC CRACKING UNITS

Filed 2011-03-23 · Granted · Patent 8349753 (2013-01-08) The official file ↗The patent and its PDF ↗ · Art unit 1732 · Examiner Smita S Patel Typical · CPC B01J 8/26 · STONE & WEBSTER PROCESS TECHNOLOGY, INC. · Troutman Pepper Locke

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

12.1 mo

to disposition 21.6 mo

Statutes raised

103 112 DP

1 actions read

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