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DAKOTA GASIFICATION CO

Overview
  • Total Patents
    18
About

DAKOTA GASIFICATION CO has a total of 18 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, EPO (European Patent Office) and South Africa. Its main competitors in its focus markets organic fine chemistry, machines and chemical engineering are G K ANALYTICAL SCIENCES LIMITE, NANTONG HAISHENG PHARMACEUTICAL CO LTD and NEDD MARKETING SA.

Patent filings per year

Chart showing DAKOTA GASIFICATION COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Maas Dana J 12
#2 Baker Gene G 12
#3 Duncan David H 12
#4 Mohl Kevin M 12
#5 Kuhn Alfred K 7
#6 Pansegrau Paul D 5
#7 Todd Robert G 5
#8 Munson Brant P 1
#9 Perry Myria 1
#10 Baker Gene 1

Latest patents

Publication Filing date Title
US2005287056A1 Removal of methyl mercaptan from gas streams
US6013841A Method for the conversion of 3- and 4-methylcatechol to benzaldehyde
US5964987A Neutral oil removal from natural cresylic acid mixtures
US5840997A Method for the production of alkoxy- and aryloxy-phenols
ZA9605640B Method for purifying natural cresylic acid mixtures
US5750009A Method for purifying natural cresylic acid mixtures
US5679223A Method for separating and purifying catechol mixtures
ZA9304032B Natural cresylic acid processing
PL296809A1 Method of processing creosolic acid of natural origin