Individual holder
SANTRA ASHOK K
US·4 granted patents·16 citations·filing 2004–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0192US8627888B2Settable compositions containing metakaolin having reduced portland cement contentSANTRA ASHOK K·Filed 2011·Granted Jan 14, 2014·15 cites·20 claims
- 0268US9850167B2Carbon dioxide-resistant Portland based cement compositionSANTRA ASHOK K·Filed 2011·Granted Dec 26, 2017·1 cites·11 claims
- 0357US8435344B2Biodegradable retarder for cementing applicationsSANTRA ASHOK K·Filed 2012·Granted May 7, 2013·0 cites·19 claims
- 0450US8858860B2Biodegradable retarder for cementing applicationsSANTRA ASHOK K·Filed 2004·Granted Oct 14, 2014·0 cites·41 claims
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