Application

13149240 · SEPARATION OF INDUSTRIAL GASES

Filed 2011-05-31 · Granted · Patent 8858679 (2014-10-14) The official file ↗The patent and its PDF ↗ · Art unit 1776 · Examiner Sonji Turner Typical · CPC B01D 53/18 · SHELL OIL COMPANY · RICHARD B. TAYLOR

Office actions

first was Restriction requirement

RCEs

no appeal

To first action

20.8 mo

to disposition 40.5 mo

Statutes raised

103 112

2 actions read

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