Application

14082448 · CONTROL OVER HYDROGEN FLUORIDE LEVELS IN OXIDE ETCHANT

Filed 2013-11-18 · Granted · Patent 8945939 (2015-02-03) The official file ↗The patent and its PDF ↗ · Art unit 1772 · Examiner Dennis Michael White Easy · CPC G01N 21/272 · Nalco Company · NALCO COMPANY

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

4.0 mo

to disposition 14.5 mo

Statutes raised

0 actions read

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