Application

14322009 · CONTROL OVER AMMONIUM FLUORIDE LEVELS IN OXIDE ETCHANT

Filed 2014-07-02 · Granted · Patent 8932874 (2015-01-13) The official file ↗The patent and its PDF ↗ · Art unit 1772 · Examiner Dennis Michael White Easy · CPC G01N 31/221 · Nalco Company · NALCO COMPANY

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

1.7 mo

to disposition 6.4 mo

Statutes raised

0 actions read

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