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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | EPO (European Patent Office) | 3 | |
#3 | South Africa | 3 | |
#4 | Czechia | 1 | |
#5 | United Kingdom | 1 | |
#6 | Japan | 1 | |
#7 | Poland | 1 | |
#8 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Organic fine chemistry | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Environmental technology |
# | 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 |
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 |