Application
13494710 · METHOD OF PURIFYING SILICON UTILIZING CASCADING PROCESS
Filed 2012-06-12 · Granted · Patent 8580218 (2013-11-12) The official file ↗The patent and its PDF ↗ · Art unit 1736 · Examiner Anthony J Zimmer Typical · CPC C01B 33/037 · HIGHLAND MATERIALS, INC. · Baker Donelson Intellectual Property Group
Office actions
1
first was Non-final rejection
RCEs
0
no appeal
To first action
7.5 mo
to disposition 17.0 mo
Statutes raised
103 112 DP
1 actions read