Assignee
DAKOTA GASIFICATION CO
US·6 granted patents·1 pending application·43 citations·filing 1993–2004
Top patents by PatentIndex Score
7 records- 0158US5679223AMethod for separating and purifying catechol mixturesDAKOTA GASIFICATION CO·Filed 1995·Granted Oct 21, 1997·9 cites·16 claims
- 0254US5354429ANatural cresylic acid processingDAKOTA GASIFICATION CO·Filed 1993·Granted Oct 11, 1994·7 cites·6 claims
- 0351US5750009AMethod for purifying natural cresylic acid mixturesDAKOTA GASIFICATION CO·Filed 1996·Granted May 12, 1998·6 cites·5 claims
- 0450US5840997AMethod for the production of alkoxy- and aryloxy-phenolsDAKOTA GASIFICATION CO·Filed 1997·Granted Nov 24, 1998·7 cites·6 claims
- 0544US6013841AMethod for the conversion of 3- and 4-methylcatechol to benzaldehydeDAKOTA GASIFICATION CO·Filed 1998·Granted Jan 11, 2000·7 cites·4 claims
- 0640US2005287056A1Removal of methyl mercaptan from gas streamsDAKOTA GASIFICATION CO·Filed 2004·Application pending·0 cites
- 0731US5964987ANeutral oil removal from natural cresylic acid mixturesDAKOTA GASIFICATION CO·Filed 1997·Granted Oct 12, 1999·7 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →