Assignee
FERSTL BERTHOLD
DE·1 granted patent·1 pending application·1 citations·filing 2011–2012
Top patents by PatentIndex Score
2 records- 0149US9076920B2Aqueous alkaline etching and cleaning composition and method for treating the surface of silicon substratesFERSTL BERTHOLD·Filed 2011·Granted Jul 7, 2015·1 cites·32 claims
- 0223US2014134778A1Aqueous alkaline compositions and method for treating the surface of silicon substratesFERSTL BERTHOLD·Filed 2012·Application pending·0 cites
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