Dakota Gasification Company

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Organization

Beulah, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for the conversion of 3- and 4-methylcatechol to benzaldehyde
- Patent number 6,013,841
- Issue date Jan 11, 2000
- Dakota Gasification Company
- Paul D. Pansegrau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Neutral oil removal from natural cresylic acid mixtures
- Patent number 5,964,987
- Issue date Oct 12, 1999
- Dakota Gasification Company
- David H. Duncan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of alkoxy- and aryloxy-phenols
- Patent number 5,840,997
- Issue date Nov 24, 1998
- Dakota Gasification Company
- Paul D. Pansegrau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying natural cresylic acid mixtures
- Patent number 5,750,009
- Issue date May 12, 1998
- Dakota Gasification Company
- David H. Duncan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating and purifying catechol mixtures
- Patent number 5,679,223
- Issue date Oct 21, 1997
- Dakota Gasification Company
- David H. Duncan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Natural cresylic acid processing
- Patent number 5,354,429
- Issue date Oct 11, 1994
- Dakota Gasification Company
- David H. Duncan
- C07 - ORGANIC CHEMISTRY

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Patents Applicationslast 30 patents

Information Patent Application
Removal of methyl mercaptan from gas streams
- Publication number 20050287056
- Publication date Dec 29, 2005
- Dakota Gasification Company
- Gene Baker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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Trademarklast 30 trademarks

Information Trademark
74629477 - DAK SUL 45
- Serial number 74629477
- Registration number 2057964
- Filing date Feb 3, 1995
- Dakota Gasification Company
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry